Chevy 12 bolt gear ratios for highway
WebJul 3, 2010 · Gear Ratio & Tire Size Chart Good "rule of thumb" calculation is to mutiply .12 by your tire diameter. (.12 X 38" = 4.56) (see more formulas at bottom of page) The below table can be used to get a rough idea on gear ratios. The colors represent ideal RPM's at highway speeds (65). For highway cruising and best fuel economy stay towards the … Web13K views 8 years ago Setting up the firebird for our long road trip adventure to come. 256 gears and posi means 0-60 in first gear and redline in second gear sees triple digit speeds.... 3rd...
Chevy 12 bolt gear ratios for highway
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WebGM 12 BOLT CARRIER NOTES ... 1.020".895" 4 Series: 1.325" 1.145" Check the distance from the bearing shoulder to ring gear flange ("A") to determine the carrier series for proper ring & pinion selection. 3 series Carriers are 3.07 to 3.73 ratios. 4 series carriers are 3.73 and numerically higher ratios. Some 4 series ratios can be used in 3 ... WebSep 23, 2024 · The GM 8.875-inch, 12-bolt positraction came in many 1965 to '72 passenger cars. The pinion shaft on passenger cars' differentials was 1.625 inches in diameter, and the cover was oval, measuring 10.9375 …
WebAug 4, 2004 · Big gear head, can you get me a set of 2.73 gears and a carrier for my 12 bolt in my chevelle? ... just put your car in 2nd gear and drive on the highway. That will kinda give you an idea of what the gears will feel like. (I am talking 3.73-4.11 gears with a TH350/400 type trans.) Like CHevl Steve says, it is great if you have an overdrive ... WebRing and Pinion Gears, 3.08:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.875 in. Truck, Set. Part Number: YGA-24459 4.0 out of 5 stars
WebGM 12 Bolt 8.875. GM 12 Bolt 8.875 Gears. GM Positraction rear ends have been around since the late 50’s, they came in several different ring gear diameters, but the 12-bolt … WebThis 3.73:1 ring gear fits the GM 12-bolt passenger car carrier. The gear measures 8.8 inches, which is noted in the part code: GM8.8-373. ... Tall or highway gears are the low …
WebMay 24, 2009 · It has a 283 V8 with powerglide with 14" rims on 75 series tires. I'm not sure of the gear ratio, but it runs at 3000 rpm at 60 mph. Great around town and off the line but the high revs on the hwy are quite noticable. The best solution is to run a TH200 4R overdrive trans with somthing like a 3.73 gear and get the best of both worlds.
WebJun 23, 2024 · Chevy 10 Bolt Rear End Widths. There are only 4 basic ratios for a GM 10-bolt rear end – 2.73, 3.08, 3.42, and 3.73. Please note that the ring-and-pinion gears can … gatsby titleWebNov 16, 2024 · All Moser 12-bolt housings are designed and manufactured in the USA. The package includes the housing with OE-located mounting provisions, seamless steel tubing (3-inch O.D., 1/4-inch-thick wall), … gatsby tom buchanan quotesWebMay 24, 2009 · Nova #5 has an LT1 @ 450hp, Turbo 400 and a 2" from stock narrowed GM 10 Bolt with 12 bolt guts, a Auburn posi with a 2:76 ratio, its being set up for Open … gatsby toolkit for schoolsWebTom's Differentials - Home of MADE IN THE U.S.A. gatsby tomWebFind 1985 CHEVROLET C10 Differential & Rear-End Components and get Free Shipping on Orders Over $109 at Summit Racing! gatsby towie ageWebOct 21, 2024 · Most 64 thru 66 chevy trucks have a GM 12 bolt rear end. 410 or 390 gears. Many years ago I installed taller gear's from a 12 bolt car ( 1970 chevy caprice) rearend into one. That was before I was informed … gatsby toastWebMay 15, 2024 · Some things to consider when selecting a rear axle gear ratio depends on your engine build, how you intend to use your car (any highway driving), and transmission (overdrive?). ... GM 12-Bolt: 7% Ford 9-inch: 10% According to this information, the Ford 9" has the greatest loss of the three rear-ends. 10% of 500 HP = 50, therefore you are ... gatsby towie operation