BADASS of New England

An automobile club for the enthusiast who enjoys the last of the big GM cars. The rear wheel drive B and D bodys. Chevrolet Impala SS, Caprice, 9C1, Buick Roadmaster, Oldsmobile Custom Cruiser, Cadillac Fleetwood
 
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 373 gear relacement

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No Moa

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Posts : 3891
Join date : 2009-02-21
Age : 45
Location : Midcoast Maine

PostSubject: 373 gear relacement   Mon Oct 12, 2009 8:40 am

I bought a 9c1 that the guy had stuffed a set of 373 gears in, the clutch pack is gone. I want to swap it into my 95 imp, is it worth it?

The rear in the imp (308?) now only spins one tire, i know the clutches are gone in that to, figured i have my GM guy swap them to the 373 to get a little quicker

Any input? Dont i need a reluctor? What the hell is that anyway?
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toomanytoyz
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Join date : 2009-01-20
Age : 41
Location : East Hampstead, NH USA

PostSubject: Re: 373 gear relacement   Mon Oct 12, 2009 8:46 am

If I understand you correctly, no. You shouldn't install a 3.73 gear on a blown posi. You think it burns ONE now? You'll burn that one FOREVER with the 3.73's!

And yes, you need a reluctor. Which is a "gear" pressed onto the pinion shaft with a certain number of teeth, corresponding to the axle ratio, that the ABS system uses to determine if the rear is locking up under heavy braking. But if it's already installed in a B car, and there is no ABS light, and the ABS light isn't blown, then it already has the reluctor on it.

You coul swap the gearset to a known good stock posi on the cheap, and that would be fine for the street. But if you want to race it, I'd get a Tru Trac or an Eaton.

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Bill "The Verb" Crovo - Resident Car Slut & Unicorn Hunter

A Toasted Marshmallow, A Long German, A Lame Suburban and expensive dreams...
Missing all my previous B's, D's and V... Sad
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NO MORE UNICORNS!!!!!

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No Moa

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PostSubject: Re: 373 gear relacement   Mon Oct 12, 2009 9:33 am

sorry should have been more specific, i'm going to have the posi in the imp reclutched/rebuilt, but i figure while he was at it add the 373 gear set, i wouldn't put in in a blown unit.

Is there a way to tell if it has the right reluctor? Teeth? I don't know if the 373 i have has the right reluctor as the car was set up for the track, and has no brakes at all at this point, he never redid them just removd the abs unit.

I'm not going to race, i just like alot of rubber posi marks in front of the house!!!!!
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bammax

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PostSubject: Re: 373 gear relacement   Mon Oct 12, 2009 2:17 pm

From what I read you can't rebuild the stock posi. Unless it's already aftermarket you'd have to replace it. I'm not an expert, just passing on what I've heard, and I've been wrong before.
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No Moa

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PostSubject: Re: 373 gear relacement   Mon Oct 12, 2009 3:28 pm

Guess I'll stuff my powertrax locker from my caprice in it, aughta wear the tires out quickly!!! Lol
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toomanytoyz
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Location : East Hampstead, NH USA

PostSubject: Re: 373 gear relacement   Mon Oct 12, 2009 3:56 pm

No Moa wrote:
Guess I'll stuff my powertrax locker from my caprice in it, aughta wear the tires out quickly!!! Lol

Those only fit in an open carrier, IIRC. Sad

I say save up the few hun and get a good posi. Or just find a good stocker. And Brad's right, the stockers aren't "rebuildable" but there is something some guys do to get a few more miles out of them. Something about spacers on one side of the cones or something...

_________________
Bill "The Verb" Crovo - Resident Car Slut & Unicorn Hunter

A Toasted Marshmallow, A Long German, A Lame Suburban and expensive dreams...
Missing all my previous B's, D's and V... Sad
American Ricer
www.badassofne.net
"Ooooh! Look! Something shiny!"
NO MORE UNICORNS!!!!!

LOWER IT!!! Wink
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No Moa

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Posts : 3891
Join date : 2009-02-21
Age : 45
Location : Midcoast Maine

PostSubject: Re: 373 gear relacement   Mon Oct 12, 2009 5:32 pm

NothIngs ever easy!
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