I have a stock 2.73 rear end with a Richmond 3.73 gear I am going to put in. I was offered by my engine builder a Ford 9-inch complete and installed for about $900-1000.

Should I go with this? I really don't want to because I am on a tight budget, but I don't want my 3.73's to take a dump at the track. Or any thing I can do to make my rear end hold up.

Not to sure on torque and everything, but mods are below and horsepower should be around 400.

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1989 Camaro RS, 355 engine, 4 bolt block, 11.5:1 compression, 305 heads--ported, polished, milled, 3-angle valve job, 2.02 intake and 1.60 exhaust valves, Edelbrock rpm valve springs, 1.5 rockers--, Keith Black pistons, solid lifter cam, Edelbrock RPM intake, 750 cfm Holley, Holley Red electric fuel pump, MSD distributor, Turbo 350 w/B&M Shift kit, 3.73 Richmond Gears, Hooker headers, Flowmaster exhaust



My Pontiac's (my babies)
1972 Pontiac LeMans, 2 Door, red with tan top, 350 V-8, Edelbrock Perf. Intake, Rochester Carb, Turbo 350 trans with B&M shift kit, Dual Exhaust

1968 Pontiac GTO, Rust free body, White with Black Interior, Original 4-Speed Car, 400 V-8 engine, Hideaway Headlights, Positraction Rearend

[This message has been edited by Camrs89 (edited December 14, 2001).]

 

Seems like a good deal for 1000 bucks. Only, I doubt your car will run faster than mine, unless you get nitrous and that nine inch will only slow you down. My advice is, wait until you break the 7.5 and then step up.

 

If you can get complete bolt in 9 inchers for a 3rd gen for $1000 , put me down for 2!!!

Miles

 

Considering the bolt-in housing with all the third gen mounts with aftermarket axles is a little less than that price, it sounds like a good deal. Add in a center section with gears, a posi, brakes, brake lines etc and the price goes up. A "complete" diff is around $2000. You can beef up the 10 bolt for a lot less than that. My car still has a beefed up 10 bolt in it but I'm switching to a 9" this winter because I'll be using a tranny brake next race season and the 10 bolt probably won't last one hit.

If he's offering it complete, just what's included with "complete". Stock factory 28 spline axles, an open carrier and poor factory gear ratio gears is not much of a performance package.