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I placed the order with Speedway motors in late July for my rear end housing and Currie axles. endstream endobj 29 0 obj<>stream GU6 - 3.42's Standard manual trans gear ratio. 0000000991 00000 n Vintage 1980 Yamaha Enticer Snowmobile Revival to Former Glory. SKU: CE-GMG7887X. Check our the Chevy rear end gear ratio chart above to help you identify the correct gear to use. This information will change as further information and corrections become available. This ratio is 3.08, perfect for cruisin. User Info. 2/4-door sedan body type. Axle Images: Axle Details. (painful to me while driving) I am pretty sure that it is the standard BOP 8.2, 10 bolt. 0000012085 00000 n the versailles / granada rear ends from flange to flange is 58.5". They're tough, right? '64 1/2-'65 Mustang startxref 0000015097 00000 n "Hy-Tuff" axles are available for it from Moser and Mark Williams in any length (needed to . Rim Width Measure from the inside of the outer lip at the bead seating point to the inner lip. 1967 Pontiac GTO - Wheel & Tire Sizes, PCD, Offset and Rims specs | Wheel-Size.com. '72 Cougar, '74 Pontiac '49 Plymouth, '61 Chevrolet Impala '65 Cadillac, '66 Buick Wildcat '66-67 Chevrolet Big Car, '72 Charger '67 Mustang Six , '68 AMX Look at the RPO codes. '67 Chevrolet Six The Trophy Track's strengthened bearing hubs even use larger-than-stock bearings, the same ones found on spools. Wheel Stud *. Six-cylinder truck engine block and head casting numbers. Currie Centurion Housing - Classic notchback looks in a new, high-strength, American-made housing, that features 3-inch diameter axle tubes, and CNC machined face flange, for a flat leak-free . i know in 1956 the pontiac dual range hydra-matic got a different driveshaft yoke. This number may be on the top, bottom, or either side of the axle shaft. However, the 9.3-inch differential was saved from obsolescence by a Texas-based company called Fabcraft Metalworks and its owner, Brad Duerst. S10. Cylinders. '70 Dodge, '71-77 Maverick Buy in monthly payments with Affirm on orders over $50. Real World Hagerty Collector Car Insurance Claim Experience, How To Be Prepared For A Dyno Session And Not Waste Your Money, Holey Goat Father/Son Texas Road Trip 5 Days, and 2000+ Miles, Are You Killing The Hot Rod Community? Terms also note on the A4's (auto's) shifter console if the gear selector for 1 is missing. a Custom Classic Truck" Peterson Publication; June or July 1999, . 1982-1997. 70 2wd 6 lug rear end 12 bolt Possible gear ratio's /** * Error Protection API: WP_Paused_Extensions_Storage class * * @package * @since 5.2.0 */ /** * Core class used for storing paused extensions. The later rear axle requires a wheel with between 5" and 5-1/4" of backspacing, while the earlier axles will only need a wheel with 4-1/2" to 4-3/4" backspacing. GM 7.75" (Australian - Some 3rd Gen Camaro/Firebirds) GM 8.0" - Rear - Late Model Midsize Truck Ring Gear Diameter: 7.75" Ring Gear Diameter: 8.0" Pinion Diameter / Spline: 27 Pinion Diameter / Spline: 1.781" / 27 Ring Gear Bolts: (8) Ring Gear Bolts: (10) 7/16"x20 LH Cover Bolts: 9 Cover Bolts: 10 Carrier Breaks: 2.77 / 3.27 Carrier Breaks: None 4.24 out of 5 stars. Brand new gears in ratios from 3.42 through 5.38 could be purchased and mounted on a new forged-steel spool with 31- or 35-spline axles. Compared side-by-side with the Chrysler, it boasted stronger gears and larger bearings. Below matches. The1971-'72 Buick GS/Skylark and Olds Cutlass A-body 8.5 10 bolt did not have C-clip axles. Once the wheels and axle was centered under the car I was able to raise and lower the wheels with my floor jack to check for clearance at different ride height and suspension travel. . hi don, there is no major difference in the pontiac differential from 1949 to 1956 other than rear brake related parts. I have a source for the axleshafts and the difference in the shafts shows this to be true, BUT doesn't show the diff center . 53.6 -- 1971-'77 Chevy Vega, 1973-'77 Pontiac Astre, 1975-'80 Chevy Monza, Buick Skyhawk, Olds Starfire, 1976-'80 Pontiac Sunbird 112.0 coupe; 116.0 sedan,wagon, 61.5, 60.7 -- 1973-'77 Oldsmobile Cutlass, 442 The power is transmitted to the road by the rear . My '64's measure 54.25". But the components should at least be grounded in the era. Fabcraft also offered complete components for the differential, including all necessary bearings, seals, shims, limited-slip clutches, solid spacers, and crush sleeves, as well as beautifully refurbished OE parts. 0000009416 00000 n There have been non C-clip rearends found in Chevelle wagons, and some El Caminos through at least 1974. 66-69 axle does not include 64 65 . According to published lists, the 55-64 Chevrolet rear end width is 60" from wheel mount surface to wheel mount surface. 0000002038 00000 n ). I actually had the axles in less than 4 days! '69 Firebird Learn more. Mavericks 8", All '75-77 6's & 8's NFTs Simplified > Uncategorized > pontiac rear end width chart. 71- Newer 2wd trucks use a 5 on 5 lug pattern To say I was disappointed by the service provided by this company would be an understatement. Quick question, I'm looking at a '50 Pontiac and was wondering if it had a torque-tube or a driveshaft. A little history: In 1957, three important axles were introduced: Ford's 9-inch, Chrysler's 8.75-inch, and GM's 9.3-inch Hotchkiss-style axle for Pontiac and Oldsmobile. '71 Comet , '71- 72 Pinto, '39 -48 Chevrolet, '68 GTO Rear axle flange to flange is supposedly wider than the 68-72 AND the 78-88 GM A and G body cars. The 8.5-inch 10-bolt rearends have ten 3/4-inch hex head bolts with 7/16-20-inch left-hand thread bolts that hold the ring gear to the carrier. If you're building a period-correct car, especially a Gasser, they are undoubtedly the perfect rearend for today. Roadkill Customs has evolved from local hot rod shop to online how-to magazine for budget-minded do-it-yourself hot rod builders and enthusiasts. [ July 26, 2022 ] Reversing Gears ~ Rescuing One's Own Derelict 1967 Pontiac GTO Builds and Examples [ July 24, 2022 ] . 0000000911 00000 n The '70 to '81 Camaro rear end is 61 inches. endstream endobj 19 0 obj<> endobj 21 0 obj<> endobj 22 0 obj<>/Font<>/ProcSet[/PDF/Text]/ExtGState<>>> endobj 23 0 obj<> endobj 24 0 obj<> endobj 25 0 obj[/ICCBased 36 0 R] endobj 26 0 obj<> endobj 27 0 obj<> endobj 28 0 obj<>stream candidate to replace the torque tube rear end or just get a better set of gears The following tags will show a 4L80E transmission as an example. So what we are left with is this: A fully capable, period-correct, brute of a differential with complete aftermarket support. var I=new Image(1,1); I.src=u; Information provided by:Joe GarciaThe Resto Rod Shop. GM quit making the 9.3-inch in 1964. if you dont have a versailles just a regular 9 inch rear end,, that is also 60 ". Mickey Thompson even produced aftermarket Olds and Pontiac magnesium gear cases that were frequently used in dragsters. The 301 was Pontiac's only V-8 left in production by 1979. I have heard that a 1st gen Pontiac Firebird rear is wider, but I am not sure by how much. Chrome 10 Bolt Rear End Cover Fits Chevy Pontiac Oldsmobile10 Bolt Differential Rear axle widths. Several features are common to most gassers. All but a few of the old factory limited-slips had been gathered up and beaten to death. $1,825.00. Good third-member cores are also relatively easy to come by, as many are now being saved from recyclers by fellow enthusiasts. The S10 10bolt 7.5/7.625" rear end is a good choice for the light low to medium horsepower small block cars. Rey Payumo of Kailua, Hawaii found this 1963 Chevrolet Impala packed with junk in a garage in Hayward, California. Six rib cases will be found on '57 and '58 rearends, '59-64s have seven ribs. '67 Mustang V-8, '69 Firebird Fits 41-52 Olds, 50-55 Pontiac : 1310 to 1330: MORE INFO: 3.219 x 1.062: Outside Snap Rings: Converts To: 3.625 x 1.062: Outside Snap Rings : (rear-wheel drive), automatic 3-speed gearbox . '70 Duster , '71-77 Maverick (Dart/Duster) with V8&3/4 axle, Table taken from "How to Build Founded in 1991, it was also the first online forum for people to gather and talk about their Pontiacs. The T/A 6.6 was available for most of the model year, but once the supply of stockpiled 400s was exhausted, it signaled the end of the big Pontiac V-8. You can identify the B-O-P assemblies by the two reverse-scalloped sections of the differential cover located at the 9 and 3 o'clock positions. * Ring #s GM 40 13 == 67 - 8 - A. 70 2wd 6 lug rear end 12 bolt Possible gear ratio's 3:08, 3:40, 3:73 70-81 4wd 6 lug reared 71- Newer 2wd trucks use a 5 on 5 lug pattern 71-76 Full Size Cars " "" "" ". GU5 - 3.23's Optional auto trans gear ratio. ends with widths ranging from 58"- 62". In the '50s and '60s the search for high-performance parts usually meant a trip to the wrecking yard to rob components, engines, out of big, powerful cars of the dayChryslers, Fords, Cadillacs, Olds, Pontiacs, and W-Chevys were all used. Professional technical support is available . Task Force width ranges at this time. '69 Cougar, '71 -73 Nova Understanding Aluminum Heads and Spark Plugs, OK Go Needing/Getting ~ Its All In The Timing, An Online Magazine for DIY Hot Rod Builders. Other changes were made to the limited-slip carrier, but strength was not adversely affected. The actual width that I made out of wood was based on both the measurements I had taken with the loose wheels and my research to determine what widths were available for purchase. You can do this by multiplying by the gear ratio. Is a pontiac center section as olds rear ends of that era? M&M CUSTOM. CK 15/35, S10, RV. '65 Cadillac, '66 Buick Wildcat 6 lug rear end 12 bolt Coil spring set up Possible gear ratio's 3.70. '67 to '70 Mustang/Cougar 8 cyl. And even though new internals were available from Fabcraft, the carriers were simply becoming too difficult to find. Needle BUILD IT YOURSELF - PARTS LISTS BUSHINGS TO ADAPT TUBE SIZE . If you would like to compare the fit with a couple of different widths build your wooden rear end for the narrower width and then add shims to the ends to change the width. 66-69 axle does not include 64 65 . but the body with is 1" wider on 66-67. These smaller volumes and domestic content result in slightly higher prices. Numerous e-mails and phone calls, stories of lost and found axles finally resulted in an e-mail from Speedway motors November 22nd apologizing for not handling this order in a timely manner and that a refund would be sent today. Pontiac/Olds 9.3 parts are manufactured in the United States and are made in smaller custom production runs using high-quality alloys and the best materials available. With its larger bearings, larger gears, and larger axles, the P/O 9.3 would fall somewhere between the Ford 9-inch and the Dana 60 in terms of strength. AXLE DIFF 4X4 FRONT DIFF PARTS AXLE DIFF REAR END PARTS . '41 -48 Ford, '68-72 Chevelle Rear End Widths - - Back - - Home > Specs > Rear End Widths : Representative for comparison purposes only. For many years prior, Olds and Pontiac differentials had been a dominant rear axle in drag racing and other motorsports. Quality and service was excellent. You bring the gumption. These dimensions do not include brake drums and are measured from backing plate to backing plate. pontiac rear end decoder year ratio open posi model notes: . Automotive Technical and Reference Information, Project Cars, Trucks and Salvage Vehicles For Sale. I've heard 'prolly torque-tube' from most that I've asked My friend's stock '41 Pontiac is open drive, so I would imagine that the '50 is as well. We carry everything from the 7.25" IFS front end parts, to the large 11.5" rear end parts for 1-ton trucks.We make it easy to verify your exact rear end by providing specs and year, make, and model applications for . By designing ring-and-pinion sets to fit the previously less-attractive, but more available, Series II OE carriers, performance ratios could now be utilized without the need for an unfavorable ring-gear spacer. The other drawback is that you can only check for clearance at the height the jack stands are set to. Forbes and various locations throughout the Web and Automotive Magazines. 1/4 Mile : 13.1 seconds. There is also a yellow stamp 10 22 which is the . note 64 64 axle is same. HVr0*u9$K;IG]&U&"x\s. In their day Pontiac and Olds rearends had a well-deserved reputation for toughness and reliability, that's why they were found under so many hot rods on the dragstrip and the street. Snap On vs Daytona, Pittsburgh, ESCO, Husky, More. Real World Hagerty Collector Car Insurance Claim Experience, How To Be Prepared For A Dyno Session And Not Waste Your Money, Holey Goat Father/Son Texas Road Trip 5 Days, and 2000+ Miles, Are You Killing The Hot Rod Community? L = Low - Zero to Negative Offset, Offset typically RWD (Rear . '70 Duster This posi has 4 pinion gears, which makes it about 2 times as strong as the Chevy Eaton posi. I ordering the axles from Bears Performance who kept thier promise of delivery in about a week. Buick and Pontiac 10-bolt rear ends used flange-retained axles instead of the C-clip retained axles like those on Chevrolet rears. 4999 mm / 196.8 in, width: 1854 mm / 73 in, wheelbase: 2746 mm / 108.1 in; reference weights: base curb weight: 1653 kg / 3644 lbs ; . Here you can see the three white paint splotches identifying the pinion size and the gears. GM / Chevy - Differential IdentificationShop by your differential. <<3d7f7a4e8421a74f9b85ec848848f3a1>]>> May 7, 2009. Richmond Gear calls the 57-64 Olds/Pontiac rear a GM 9.3" Axle (the ring gear is 9.3 inches). @`AWG^8J>4j|^Vk@oXq7@@/9ep Buick/Olds/Pontiac axles are typically retained with bearings. some sources state that the 67 and latter are wider. If it has the original Borg Warner posi then it is stronger than the Chevy 10 bolt. 0000001291 00000 n Wheel- Size.com The world's largest wheel fitment database. well i have 1 from f 150 82 b/plate 2 b/plate it is 58". Vehicles with Similar . 0000008567 00000 n Rear-end track width measurements of classic American cars including Chevrolet, Ford, and Mopar vehicle rear axle widths. Maverick 5 Lug 8", 49-51 Ford, 57-59 Ford 9", 58" 78-88 Mid 57" 71-74 V-8 Mavericks 8", All '75-77 6's & 8's Maverick 5 Lug 8", 49-51 Ford, 57-59 Ford 9", 58" 78-88 Mid sized GM Car, Malibu/Monte Carlo (82 up Metric Studs), 80 Granada & Lincoln Versailles, 67-70 Mustang/Cougar/Fairlane, Regal with 10 bolt axle, S-10 P.U., 65-67 Nova, 60" 55-64 Chevy Car, 67-69 Camaro, 64-67 Chevelle, 68-74 Nova, 71-73 Mustang/Cougar, 84-95 Corvette, 60-61" 64-69 1/2 ton 2wd Chevy/ Some GMC 6 lug rear end 12 bolt Coil spring set up Possible gear ratio's 3.70. '72 Charger Because the Borg-Warner axles were no longer being used for the G92 option, optional axle ratios changed slightly: LB9 305 TPI 5 speed went from 3.45 (1989) to 3.42 (1990) and the B2L 350 TPI went from 3.27 (1989) to 3.23 (1990).