![]() ![]() An old standby that works most times is to jack the car up & see if both wheels spin the same direction, but sometimes even with posi they will turn opposite from what I'm told. Not like it harms anything to change the axle grease. Best way to tell if you have posi is to pop the cover & look. ![]() You can put limited slip in any 8.5 no matter what it originally had. I found this out first hand with a relatively stock truck. Stay away from the Gov-lock posi in trucks as they aren't very reliable. 5711-A10-2 2'-DROP SPiNDLES A-, F-, X-Body - 2' Drop, Stock Upright The 2'-drop spindle features a relocated axle to lower your vehicle's stance without sacrificing suspension travel. See 2 & 3 for answers to the posi question. The 2-drop spindle features a relocated axle to lower your vehicle’s stance without sacrificing suspension travel. I always recommend posi or some type of limited slip, but that's me. Four bolts, the E brake, & the brake lines.Ĥ. Whether or not you want to mess with gear swapping or rear axle swapping is your choice, but a rear axle isn't too expensive & is fairly straight forward to swap out. The El Camino was lucky enough to retain a Super Sport version for this generation, as Chevrolet dropped the Chevelle SS in 1973 and Nova SS after 1976 (they. Some early A bodies had 3.31 gears as well & you might get lucky enough to find one with a posi. Cop versions sometimes came with 3.42 gears, most others had highway gears. ![]() Complete rear axles from any 73-77 A body or any 77-96 B body will swap in directly. Gears can also be found under some 77-96 Caprices, 80's model 442, Monte SS, & Buick GN, most 1/2 ton pickup trucks made from the 70's on up, & I believe that even vans got this rear axle.ģ. Standard gear ratio was 3.30 unless ordered with 4.11. Some were bolt on & some were C-clip style though so that's the only thing to worry about. if it is stock, then it is an 8.5 rear and could have anything from 2.56 to 3.42 gears and either an open or posi differential. 1971 El Caminos came with a coil spring, 4 link, posi and non posi 12 bolt Spicer rearend. All 1973-77 A bodies used this axle & interchange. The owner stated that it was not a Posi-filled rearend, and came with gears he believed to be around 3.08 or 3.23. While it is a 12-bolt, it is from a truck. We recently saw this 12-bolt at a swap meet. Maybe you just have a wheel bearing that needs replaced though?Ģ. For instance, the truck 12-bolt uses a smaller inner pinion-bearing (1.438 inches versus 1.675 inches). The 1966 El Camino equipped with the 327 V8 reached 0 to 60 MPH in 9.4 seconds and the 1/4-mile in 16.9 seconds at 85.2 MPH.I'll try to answer these questions as best as I can.ġ. of torque, and 375 horsepower with 415 ft.-lbs. Backing plate to backing plate - 53 5/16-inches (+/-). Measurements taken on 1967 Chevelle rear end for comparison. of torque, 360 horsepower with 420 ft.-lbs. Several late 1966 rear ends with casting number 3875745, one dated L 8 6 (December 8, 1966), have been found in early 1967 Chevelles and retain the retention plates to secure the rear springs. Three versions of the 396-cubic-inch V8 came with four-barrel carburetors with 325 horsepower and 410 ft.-lbs. ![]() A 327 V8 was offered as a four-barrel carburetor model generating 275 horsepower and 355 ft.-lbs. of torque while the four-barrel carb wielded 220 horsepower and 295 ft.-lbs. The two-barrel carb model generated 195 horsepower and 285 ft.-lbs. San Fernando Valley 500 1964-65 chevelle/el camino 10 bolt rear end 7h. Every 12-bolt rear end housing (also known as an axle) is built to meet strict specifications. The standard V8 featured the 283-cubic inch version with either a two- or four-barrel carburetor. 1972 Chevrolet El Camino classic - 26,995 Call: ext 10048 Vehicle CL. GMs El Camino SS396 is the more garden variety (but still plenty fast) 350-horsepower version, backed by a Turbo-HydraMatic 400 three-speed. An optional 230-cubic inch inline six was available as a single-barrel carb, with 140 horsepower and 220 ft.-lbs. LS6s are big game, high-dollar collectibles these days. The base engine was the 120-horsepower, 194-cubic inch inline six featuring a single carburetor and 177 ft.-lbs. Six V8s and two inline six-cylinder engines powered the 1966 El Camino. ![]()
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