Congrats on finding a rare motor. Pontiac OHC 4bbl straight 6. Starting in 1965 Pontiac began using a 2 digit letter code. It was very swish, stylish and cutting edge in terms of appearance. Location: Redding, California. 1969 – 400 Ram Air III or 350HO Code 48. Jul 23, 2013 · Ford Engine Block Casting Numbers. 1969 – 400 Ram Air III Code 62. Both labeled as 87 ccs but most are in the 90-93 area. 90 up gears, I'll allow that Pontiac intentionally released a "better" casting for these applications. The base 1967 Tempest OHC-6 had 230 cu. in. Custom Racing 455 V8 Crank Shaft for 400 Pontiac sold. Pontiac power doesn't show that combination but Wallace racing shows the following: Year Engine HP Engine code Trans CR Cam Head Code BBL Carb No. The engine code decoder reveals the engine displacement, plate location and configuration. The casting Flange sizes 2 . Running when pulled, complete, survivor with low miles Crank or balancer Pulley, used, 2 groove, 230, 6 CYLINDER Fits: 1967 FIREBIRD TEMPEST LEMANS Apr 10, 2023 · Posts: 2,225. Oct 31, 2012 · It depends on the casting number, if it is a S/R or the T/A 6. Petes book refers to a 488988 block as a early 1975 400 and 488986 as 350's. 20) gears, which proved to be an issue; Pontiac asked him to keep the revs below 5,800 rpm because the engine in the car Jun 1, 2003 · In place of the pushrod-operated valvetrain of the Chevy, resident Pontiac engine guru Malcolm R. Make sure to check the timing marks on the balancer and see if all three line up the same. Passenger side casting#: 5 36. 7023075 1963 2. Like Button Notice ( view) Oct 12, 2009 · The casting number is found on the driver's side just below the acclerator pump lever and rod. Sep 13, 2013 · Join us now! Menu. Jul 7, 2012 · I have a 400 with an Engine code of YD and a casting number of 9799914. The correct center carb for all '65 GTO's is float bowl casting number 7019929. add #11. 850". 7 mm), bringing total displacement to the same 250 cu. It weighs in at 2. 3L Chevy/GMC Q-jet from 1985-86. It has #16 Heads. Pic's will help us see any other obvious issues. The Custom S came standard with Pontiac's unique overhead camshaft OHC-6 175 hp (130 kW) 250 cu in (4. measurements from the top deck of the head are ideal @. I need to determine what the maximum duration and lift should be on a cam I wish to have reground-running on 91 octane fuel-my days of mixing fuel are over. And to be clear, all the OHC engines have the 1/2" mains and head bolts. Cranks are heavy and cost between $45 & $95 to ship within the 48 connected United States depending how far away you are from Southern California. 1bad65. The carb tops have casting numbers inside the top surface 7013206--you must remove the tops to read the number, but the tops are all the same from 1959 through 1966. NEEDS TO BE REBUIDABLE, NOT OVER +. It has a set of heads that I can find no info about. "Mac" McKellar developed and refined the design, using a free-flowing OHC cylinder head that Nov 7, 2011 · Jul 17, 2015 #2. May 29, 2001 · 6 Cylinder Z Forums. Jan 27, 2022 · Everything matches the car as far as 66 GTO 9778789 and WT, but I have seen conflicting information about the engine serial number stamped above the WT. Mar 14, 2011 · Ultimate Warrior. Location: QueensNY. Again, didn't matter if its a 1bbl or 4bbl. 5", 2 . 180, 200, 220. 77 valves, 72cc chamber. FAQ: Members List: Social Groups: Calendar: Search: Today's Posts The interior retains the original upholstery and carpeting. Oct 12, 2023 · 2. F288 date code on both heads (June 28, 1968) 2. Oct 7, 2007 · Unless this '68 Pontiac 8. These are Delco Morraine 7/8" diameter cylinders. FAQ: Members List: Social Groups: Calendar: Search: Today's Posts . Feb 25, 2013 #2. 11/1. It has a large letter C stamped with a yellow dot of paint in the middle of it. Have not seen this before. Am I interpreting what I found correctly? Thanks. Joe. Founded in 1991, it was also the first online forum for people to gather and talk about their Pontiacs. Production continued after Chrysler acquired AMC in 1987. I will start with a 230 OHC6 crank. High output Pontiac V8 Cylinder Heads. nestled inside the high detailed engine bay is the original numbers matching 250 c. May 3, 2010 · Sometimes I wonder if the "N" casting p/n is indicative of the same thing. These head numbers represented chamber sizes. The 250 Cheve crank can be turned down to run the 168 Pontiac OHC6 flywheel. So it's on one side, but not the other. Mar 22, 2010 · This code will tell you the year it was to be used. Van Nuys, however, did not produce Firebirds during the period extending from 1972 Sep 24, 2018 · ENGINE. Good Luck! 483 lb (219 kg) (4. This is a piece of metal in the shape of a triangle or pyramid that sticks up off of the top of the block on the rear passenger side. We took the valve cover off and it has screw in studs. The engines feature a cast-iron block and head and two valves per cylinder. 2) Body clearly stamped with the 7040273 ram air 4 speed (Lemans, GTO, T-37, Firebird and Trans Am 400 engine cars) Date Code 1270: Letters WC. Above the 2 digit code will be the motor unit number, which is either 6 or 7 digits. Pair 1975-81 Firebird, Trans Am Pontiac V8 Engine Mount Brackets $155. Apr 2, 2015 · This is a once in a lifetime opportunity to get an "H" camshaft or aggressive camshaft for your Pontiac OHC engine (s). 7013065 1963 2. Put a 292 crank into a Pontiac OHC engine would be way easier. 5 pound starter. 92/1. Dimensions. code L, data plate code BL or L). THANKS. 11 intake and thread for studs and youve got a decent set of heads. Increasing the OHC engine’s displacement was primarily intended to provide more torque for the heavier 1968 A-bodies and help the engine 2 X 4 REAR CARB TRIPOWER FRONT TRIPOWER REAR TRIPOWER CENTER (3 SPEED AUTOMATIC & MANUAL) 7019067 1962 2. (4,095 cc) as Chevrolet’s bigger pushrod six, introduced back in 1966. Feb 19, 2015 · CP-Carrillo produces a number of premium forged-steel connecting rods that are compatible with the Pontiac V-8. _____ Feb 13, 2021 · Overall length from fan/pulley mounting surface to rear of the engine , where bellhousing would bolt to 32 1/2 inches. 9797901 for 69 Grand Prix. Not much help I guess. Oct 12, 2019 · Let's explore the Pontiac OHC Sprint Six's inner workings as Donnie Wood and the guys from R. I have found several different possible answers to my casting numbers but none that say it is a 230 or 250. 1963 – 389 SD Code 543797. 0 254 16/sm valve 1-2 7040060/64 Block Casting 9799914 Sep 24, 2018 · Interestingly, at a time when Pontiac was putting cast-steel rods in its V-8 engines, the OHC six got these beefy, 669-gram forgings. Gary, when I get back this weekend I will check my 2 spare flywheels for a P/N. 7013063 1963 2. Sep 23, 2006 · Pontiac Engine Production Casting Numbers ; 1955 Displacement: Casting Number: 287: 518037: 1956 Displacement: Casting Number: 317: 521560: 1957 Pontiac Blocks Casting Information 1955-1963 Blocks up to 1963 have side of block casting numbers Up to 1963 have stud oiled heads Year CU IN Casting # 1955 287 518037 1956 316 521560 1957 347 523293 1958 370 528456 1959 389 532000 1960 389 536387 19 Rear wheel cylinders needed with casting numbers 5464079 Looking for NOS (GM part # 5469245) or good used brake wheel cylinders with the above casting numbers 5464 079. 1961 -1964 dust cover-inspection plate. Oct 19, 2007 · OHC-6 valves had a longer tip and if you machine any off the tip to even up all the valves you may create more problems than you fixed. At the time, Pontiac’s six was essentially a badge-engineered variant of the third-generation Chevrolet six introduced in 1962, which in turn was based on Chevy small-block V8 architecture. Below the "16" casting numbers on the center exhaust ports (on both heads) "6 2" is stamped into the flange. part #785518 $150. From 1967 onwards for some reason or another Pontiac eliminated every other cross bolting boss. Oct 11, 2003 · PMD OHC6 Sprint Build Up. 2-inch connecting rod journal and Jan 1, 2012 · In a typical 455- to 468-inch Pontiac, Batchelor rates the standard Pro-H rod up to 1,000 hp and 8,500 rpm. 55 rear-end! all of the casting numbers, vin stampings etc, are all where they should be! pontiac engine decoder year code c/i hp tran carb car misc 1962 13b 421 3 m 2 x 4 full super duty 1962 13u 421 4 m 2 x 4 full super duty 1964 33-6 389 330 a 3x2 Aug 19, 2022 · Use the part (engine block or cylinder head) date code to identify the model year. 42-3040 (3x2 Weber sidedraft carbs) (230, 250 CID both OHV and OHC engines) P-135 (2x4 cross ram) (casting number 3779135) (1955-1964 Pontiac V-8 engines) Sep 12, 2008 · Go a web search for OHC Pontiac's. 9790043 Pontiac 68-69 250 =3D 7. Jul 28, 2003 · 93406004 Chevrolet 75-84 292 =3D 7. MetalHead175. 90 HD Safe-T-Track. This board is for the Pontiac OverHead Cam engine built from '66 to '69, installed in the Firebirds, Tempests, and Lemans. Join Date: Mar 2003. 00. Normally engine assembly would follow within a day or two of casting, and you could assume that the assembly date would be close to the casting date, but not always. On engine blocks, this code is usually located on the top center of the block, near the distributor. Great condition. 2 10 bolt rear has a big N up on the "nose" of the center housing, & has a Julian date code, the rear's not an original '68 3. Everyhting you always wanted to know about General Motors. Oct 24, 2012 · These were used on light trucks and vans for years after passenger cars all had gone to feedback carbs requiring a computer to run right. I don't know if this casting was used by any other GM Div. IMO its a early 1973 350,cast number 73 by the distributor and date code K-01-2 or 11-01-2,also because of the 50 in the center and the amount of area there is between the cylinders,even at 0. The “second generation” Firebirds were produced at the Norwood, Ohio, assembly plant (V. I am daring to be different and need some advice regarding a build up I have going for a 67 Pontiac Tempest Sprint-running on the street on pump gas. 1959 and earlier blocks, of ANY displacement, did Correct 1963 only big car bellhousing GM Part #977091. The format of the code is one (1) alphabetic character followed by three (3 Nov 3, 2006 · Having a number of different Pontiac castings available to us, including a high-flow '71 and SD-455, we decided to compare airflow characteristics using professional equipment. Here are some specs: Carb number 17086047 1986 4. 1968 – 400 Ram Air I and 428HO Code 37” Ram Air I and. Highly prized for decades when reasonable cost aftermarket Pontiac rods simply were not available. I would guess that it is a 69 or a 70 rear end. Apr 24, 2010 · Not so — in 1965, about a decade after the demise of the Hudson Hornet and its “Twin H-Power” straight six, Pontiac introduced a sophisticated new overhead cam six-cylinder engine that promised V8 power and six-cylinder economy. I run an aluminum 153 tooth Cheve fly wheel, 10. 228 3. 3) Correct Base with correct casting number (7037174). It is imperative that this poll get to as many Cammers as possible and that May 30, 2022 · The Tempest had that signature Pontiac split grill, the vertically stacked headlights, and a sleek rear window treatment that some people called a flying buttress. This poll will be the deciding factor if this project can/will move forward since if the numbers are not there the camshafts will not be reproduced. 53 inches (82. If anyone has any info to add please do. Lash adjusters will compensate for unequal heights;if they are centered they have . The 61-64 units have two starter bolt holes. Feb 13, 2003 · The PY Online Forums is the largest online gathering of Pontiac enthusiasts anywhere in the world. Aug 24, 2017 · The Sprint-6 SOHC engine was added very soon after the OHC-6 debut in 1966. 66-inch valves and 69-cc combustion chambers (identified by the 540306 casting number); a Aug 2, 2007 · Set the Oil pump drive sprocket to the timing mark, Make sure that the Rotor in the dist is pointed towards were you want the #1 plug to fire. code N, data plate code NOR), and at the Van Nuys, California, assembly plant (V. 7023073 1963 2. Hope this helped. The important digits are the first four and last one, two, or even three digits, in some cases. Sep 23, 2018 · Using 1961 as an example, the roster of factory-engineered hot parts included a stronger cylinder block with stiffening ribs and four-bolt main caps; forged rotating parts, including pistons good for 10. 1,509 (642 T/A) 157 (55 T/A) 87,011. I'm no expert but, looking in my Pontiac books, I don't find 9799_02. Hot rodders can forget about adapting them to the 326-455. One application that will work good w/o needing a lot of work is a 4. This is a common casting. It is a '69 model year only casting, so the 1st 3 digits are definitely 979. I believe the oil tube up to the head would plug starving the cam of oil. Jul 24, 2009 · The engine and heads have a date code from 1974. The coupe was sold new in Oregon. 1970 #15 heads are for the base 360 hp 455 with small valves and pressed in studs. Crankshaft is #496452 - Nodular variety. Opening the trunk reveals a very tidy cargo area complete with original spare tire. N. If you can find the four barrel version, that would be a cool setup. 9795066 Pontiac 68-69 250 =3D 7. 030 AND CRACK CHECKED. 77. Install and tension the belt. Their 2. 925-inch shorter than stock V-8 rods (6. And yes to install a Chevy 6 crank requires extensive machining. 12 (Manual Trans) 1970. 75" refer to the flange or hub that the flywheel or flex plate goes over. 25 pounds. Casting Codes All engine blocks have a casting code. Set the cam sprocket to the proper position for the year sprocket you are using. They are usually stamped on the machined pads by the valve covers. ohc-6 engine with its original factory quadrajet 4-barrel carburetor linked to the original numbers matching 3-speed manual transmission and original 3. May 27, 2012 · 05-25-2012, 12:05 AM. from Great Lakes. I was just wondering if it was close to the end of the production for 67. Contact Dick Knorr, Summerland, BC at 250-462-0068 or email lakevista@shaw. The vehicle had 1969 plates and original dealer plate frame. 1968 – 400 Ram Air II Round Port Code 96. What do these mean?: Driver side casting#s: G DN. The engine serial number was located on the stamping pad immediately above the oil filter, right of the fuel pump. Sep 30, 2021 · The date near the distributor is the casting date of the block, not production or build of the engine. YY. 1977-79 Firebird, Trans Am 403 V8 Engine Mount Bracket Set $175. Oct 4, 2012 · The Saginaw trans had a fairly wide gap between First (3. Dec 15, 2006 · I think it may be 9795082. 292 crank clearanced and ground to 2. If you had access to a small block Chevy bellhousing for an overall measurement add that to the above and that will put you right in the ballpark . 9890043 Pontiac 68-69 250 =3D 7. Aug 13, 2004 · 08-13-2004, 12:00 PM. of torque at 3,800 RPM (215hp with 240-lbs. Misc 1970 400 290 HP YD A 10. Location: Murrells Inlet, SC. Carb, and Auto 2-Spd Trans 67 - LA093D, all original and numbers matching for Tempest/Firebird. #496893 & 496892. Correct 1964 bellhousings are discussed below. The nose on a 250 Cheve crank is the same diameter and must be drilled and taped to 5/8 NF. Also available was a 230 hp (170 kW) 265 ft⋅lbf (359 N⋅m) TQ OHC inline 6-cylinder with the "Sprint" package, a 265 hp (198 kW) overhead valve pushrod V8 350 cu in (5. Since then, it has become the mecca of Pontiac technical data and knowledge that no other place can surpass. Does anyone have a good list of Pontiac differential casting numbers in order to cross 9778080? 1 day ago · 4th Gen Numbers Break Down NEW Firebird VIN Decoding 1970-74 Firebird Trim Decoding 1969 Body Tag Form 1969 Body Tags 67-69 Firebird Stats Early 2nd Gen Features 1980-81 Turbo Trans Am Registry! 80-81 Turbo TA Search 2002 TA Production Numbers 2002 Firebird Specifications 1967-1981 Firebird Production Numbers Reader's Rides Favorite Books Of Feb 24, 2013 · 593. That is a Sprint balancer as it looks exactly like the factory Sprint on my 69FB. Main Caps are numbered from #1 to rear main as 500692 693 694 695 and 696. might be pretty hard with it mountedcasting number is on the insidemay be able to look between pan and blockrotating flywheel to see it. 25 to 3. Its proprietary H-beam design offers excellent durability for most severe applications. Please note that all 61 to 64 bellhousing appear to be interchangable. But it sounds like it is probably so. Posts: 250. 1 L) engine. Pontiac 400 - Casting Number 500557. This code will tell you the year it was to be used. If it might help here are some close ups for a 66' 230 4BC MT engine I have. This could be possible because the blocks for a 230 or a 250 can be used for either. Jun 20, 2019 · Here is what I know: #16 casting number. fan pulley ,ohc6 ps, 2 groove used 67 68 firebird tempest. 00 crankpins destroked or not, 6 inch rods, and a set of custom pistons. Have a look at the picture (Left side, midway up), this is what I found after removing the crank Dec 1, 2013 · I have a Sprint engine that dates to June 1967 but has the 9787 block code, 230 harmonic balancer and 77000+ sequence number. Might need some valve clearance notches on the pistons, I'm not sure about that. We are interested in knowing the cc's of the heads, the valve size and if these heads are anything special as he wants to put the engine up for sale. Heres a pic of a couple of measuring jigs. If you have this transfer lug, you have a non-389/400 engine that dates 1959-present. Engine Block Codes Pontiac engines have block code. Pic#2 The date code right side rear of fill tube. For '70-'72, the 10 bolt A body center casting p/n was 9799100. Together with the casting code and casting date you can determine where what the engine is. A 9797900 for 69-70 Tempest/GTO. Pair 1978-80 Firebird, Trans Am 305, 350 V8 Engine Mount Brackets $50. Sep 23, 2011 · A fellow Pontiacer had posted a production breakdown for 67' 4bbl OHC models over on PY and I have added to it what little production info I have found around. Aug 5, 2021 · Join us now! Menu. LOOKING FOR A 1966 PONTIAC BLOCK CASTING #9778789, SOMETHING AROUND A B26 DATE WOULD BE PERFECT, BUT NOT NECESSARY. oriface Near the timing cover/water pump cover was VIN 26N552104. ca (Jul/2020) OHC6 ENGINE/TRANSMISSION COMBO FOR SALE: 1967 OHC-6 230/165 hp, Engine Code ZN6 (Block Date J-28-6), 1 bl. 11,522. 3 days ago · Production Numbers: 2-door coupe (22337) 2-door convertible (22367) Trans Am coupe (22337) Trans Am convertible (22367) Engine Production: OHC-6. 635 inches, but uses a 2. 967 Chev 490 1918 - 21 171-4cyl. Comparison of 1964 Tri-Power thermostat housings, OEM and repro. Dec 25, 2005 · I have what I was told, is a NOS water pump with the following description. Either way it should be sonic checked to determine how far you can bore it. Casting Number 9778080 I tried to google this casting number to verify the rear differential (in particular the ratio) on my '66 2+2, but I was not able to cross it. In 1973 Pontiac started stamping extra numbers (1/4" tall) on their heads. 5 pounds and a 6. 1966-67 Pontiac engine codes decoder reveals the code prefix, engine performance, displacement, and configuration. Numbers on engine: Cast - 328576 Cast - A268 Cast - Con2 Stamped - F0130CCA Stamped - 23L12594(S-maybe) last digit of VIN missing or very faint Here is how I interpret these: 328576 - 250 CID, Chevrolet, Buick, Pontiac - 1968-1976 Jun 5, 2019 · All 1966 blocks have the bosses cast in, rather 1bbl or 4bbl. 7 L), and a 330 hp (250 kW) version of the same engine with Jul 6, 2009 · We will first check to see if the block has the so-called 'transfer lug'. 6 block, it is the standard thick wall casting, if it is a standard 77 block, it is the "thin walled casting. 25 too small, and at 5. My numbers matching engine was cast 30 days before assembly. A OHC six-cylinder engine resides in the engine compartment. Auto Machine in Ludlow, Massachusetts, perform a rebuild, then get 216 hp at 5,400 rpm! Oct 5, 2014 · The number is cast in the head looking down on it, past the valve springs. Hi All, Here are some pictures of the Pontiac OHC 6 with factory 4bbl carb: Sept 1965 Hot Rod Magazine cover '65 4bbl straight 6 engine (207 hp) The later versions ('67-'68)got up to 215 hp. Mar 14, 2017 #8. , so there is no way to know from the center section that it is a Pontiac rear. 11 / 1. The upper one with the raised pad under the casting number is the original 10-bolt Diff. There was a problem with that engine in oiling the lifters and cam. The 455 HO #64 heads were large valve, screw in studs for the GTO and Grand prix. Jul 3, 2016 · Location: Rock City,Detroit. Posts: 394. I have a 69 400 with #62 heads, and the crankshaft number is 9773524. thanks. Mar 10, 2022 · Their outside-the-box approach also produced creative solutions like the OHC 6 and the half-a-V8 Tempest four. But since it seems to consistently show up for the 3. 9797903 for 69-70 Big Cars. The ’68 Firebird was found in Missouri. Dry weight. 75:1 compression; special cylinder heads with 1. Together with the casting code and casting date you can determine what the engine is. Stamped number is 97824 2, that's right no 9782482, it's missing the 8. I have been searching the internet looking for casting number information on GM 194/230/250 L6 engines. Pop in the 2. It also produces an NHRA-approved Pontiac rod, which features an overall length of 6. Pic#3 is Block Casting # right side front of fill tube. Cheers. Again, note the 15 degree tilt. Casting # 51. D. 2. 1967 – 400 Ram Air Code 97. You will need a tower gasket and possibly an oil pump/fuel pump/ accessory housing gasket, when you go to put it back together, as they tend to tear from the sliding action. 1977-79. Post the casting number of the block and I am sure someone can shed more light on it. Mar 14, 2017 #7. If there is no casting number there, have him ck the area directly behind the pinion flange. 00 pounds. Feb 17, 2009 #3. of torque in the '67 models); this was the only engine Nov 15, 2011 · 66 Valiant wagon, leaning tower of power. 568557. 488986. ) Along the way, there was even a series of trick Pontiac factory racing camshafts that were named after McKellar—McKellar number 7, number 10, and so on. Pressed. On cylinder heads, it can be "inside" (under the rocker cover) or on the outside. harmonic balancer & pulley, ohc 6, 2 groove used, 67 pontiac. Check the head, cam, lifter bores, and lifters for wear. 400 Ram Air III. Thanks to Lou for the above. 125" up and. Registered User. 11) and Second (2. Jan 19, 2017 · The PY Online Forums is the largest online gathering of Pontiac enthusiasts anywhere in the world. i. 0 L engine) The AMC straight-6 engine is a family of straight-six engines that were produced by American Motors Corporation (AMC), and used in AMC passenger cars and Jeep vehicles from 1964 through 2006. Nov 27, 2021 · But when a business case could not be made for a production OHC V8, reportedly, the effort shifted to the division’s inline six. However, these codes were used for more than one year and could have different machining or even different main caps. _____ Oct 20, 2022 · Best factory rods ever used in a production Pontiac V-8 engine. JEff REIMUS. 9787437 Pontiac 66-67 230 =3D 7. I guess there's some truth to what others are saying about the Pontiac 400 blocks with casting number "500557". 70 inches center-to-center, they're a massive 0. 1966 BLOCK #9778789. I. Posts: 1,137. Posts: 931. The underside of the casting is rough, with little smooth service to mount gasket ,etc to block. Sprin Oct 26, 2023 · 1×4. 72 cc. Feb 17, 2009 · Guest. 400. Join Date: Nov 2006. 00-inch big-end diameters are 0. 030,compared to a 400. How this came about was John DeLorean was pushing management at GM to consider a Euro flavored sports GT car called Banshee XP-833. I find a 9797902 which goes to a 69 Firebird. "Upgrading to our Multiphase cap screw adds $600 and can increase that to 1,300 hp and V8-428. Flange sizes 2 . A. The initial I6 engine design was a legacy model initially Dec 30, 2013 · If you can a have the seller clean up the cast iron webbing of the center section where the center section spans to the axle tubes, there should be a casting number, starts with a 97xxxx. 3L V6 Sierra w/MT. 326 V8. 1967 – 400 Ram Air or 428 Code 670. Inside view of #9770091. 1962 – 389 SD Code 544127. 550 to 650 lb (250 to 290 kg) [citation needed] The Pontiac V8 engine is a family of overhead valve 90° V8 engines manufactured by the Pontiac Division of General Motors Corporation between 1955 and 1981. ft. 7023077 1963 2. No camshaft clearance issues like the pushrod engine. Mar 24, 2019 · 1964, casting # 9775088 The bare intake weighs 46. Jan 11, 2016 · Just trying to verify the numbers on my recently purchased 250-6. Some Sprint balancers would slip especially in very cold climates. This week, we look at the short life of the 1966–1969 Pontiac OHC six, Pontiac Firebird Sprint, and Tempest Apr 24, 2010 · For 1968, Pontiac stroked the OHC six from 3. The 1bbl carb equipped engine had 165 hp. Off the top of my head, I can't remember the '68 Nodular housing casting number, but the '68 Nodular hsgs I've examined did not have the N square on the "nose" of the housing Jun 5, 2019 · Among the many differences between the Gen-3 L6 (Chevrolet, Buick, Oldsmobile, and older & newer Pontiac) and the OHC engine is that the "normal" block is skirtless (like a Gen-2): the oil pan rails and upper main bearing saddles & main cap seating surfaces are all flush with the crankshaft centerline. Sep 23, 2006 · 366 hp (GTO) 2. Starting in 1965 Pontiac began using a 2 digit. The only # i can find near that is a 1965-66 421 crank. Join Date: Jan 2002. Sep 12, 2008 · Went a bit further on de-ciphering the block and its innards and came out with these: 500810 casting was dated B 11 6 with a large 75 near the distrib. can also see the engine block casting number located just right of the oil fill tube. ** Use sheet stainless steel block off plate. Apr 15, 2020 · 1) Correct Air horn with correct casting number (7038737) and lightly stamped correct stamped number, deep accelerator pump well. That is an early Pontiac 8. 6" & 2. The engine was a Pontiac block and a specially cast unit. However, these codes were used over from year to year. , generated 165 hp at 4,700 rpm, and was fed by a one barrel carburetor. 6 to 89. Pic#1 is the Code letters & ID #s top/deck of block behind the oil fill tube. PONTIAC OHC PRODUCTION #’S 1966 Tempest; 43,753 Tempest Custom; 96,659 Lemans; 121,740 (No breakdown for 1bbl Vs 4bbl engines and/or AT Go a web search for OHC Pontiac's. Same for GP. Pontiac Overhead Cam SIX Forum. 2 rear casting number. I'm betting this one's the heaviest of the factory Tri-Power intakes. Apr 18, 2009 · Awesome deal !!! I wish I could find a Pontiac parts garage sale like that ! 9796346=1969-70 482883=1971-75 526985=1976-79 usually without timing tab Mar 12, 2017 · 181 7. Now, with the nice selection of aftermarket rods readily available and the value of the "prized" SD-455 rods moderating, genuine SD-455 rods are generally used for restoration engines Dec 1, 2013 · I have a Sprint engine that dates to June 1967 but has the 9787 block code, 230 harmonic balancer and 77000+ sequence number. 125" down. Correct cast iron thermostat housing for 1964. (Read about the Tempest slant four here and the OHC 6 here. Nov 22, 2013 · Posts: 11. Senior Chief. Ford’s part number convention generally follows the format of a four digit casting code, followed by a four digit basic part number, which will be “6015” for an engine block, followed by the revision version. During 1966 and 1967, all Pontiac LeMans models came standard with the 165hp OHC-6, but if you checked option code 332 (the Sprint package) you got the four-barrel Quadrajet version that developed 207hp at 5,200 RPM and 228-lbs. Most sites say the six digit number is the sequential engine number and one site said it should match the last six of the vin. sk vk gv hj up sl cl mv av ec