[Fot] Spitfire Differentials

[limeyv8 at aol.com]

Marty -
 
there is a prepared Spitfire 1500 autocrossing in our region with a  welded 
diff - he is very quick and sometimes sets FTD - he's never had a problem  
with it, other than trying to make a sharp turn into a grid spot
 
Cheers,
Jack Mc
 
 
In a message dated 1/11/2010 3:48:46 A.M. Eastern Standard Time,  
rocky at spitfire4.com writes:

Dunno  what the 300ZX setup is. Mine's essentially a GT6 diff, big case, 
big  
axles, 4:55 gearset, and pushed higher up in the chassis (new holes) than  
stock.

It's welded up. Used to have a No-Spin limited slip until I  just used that 
sucker up to where it just wasn't repairable any  more.

With the No-Spin I'd snap an inner axle about once a year, even  big axles. 
Welded it up then because I couldn't find an affordable  limited-slip then.

With the welded-up unit I've broken two inner axles  in the 15+ years I've 
had it, both times in road races.

But mostly  I autocross and it works just fine. Very predictable. The only 
"problem"  is pushing it in the paddock and trying to turn. Frankly, at 
this 
point, I  don't think I'd go back to the limited slip even though I can 
afford  what's on the market now.

--Rocky

----- Original Message -----  
From: "marty sukey" <trmarty at hotmail.com>
To: "FOT"  <fot at autox.team.net>
Sent: Sunday, January 10, 2010 2:26  PM
Subject: [Fot] Spitfire Differentials


> Sitting here in  the snow daydreaming about projects. Has anybody 
stumbled 
>  upon
> a differential conversion for the Spitfire similar the Nissan  300ZX 
setup?
> Also is anybody autcrossing a Spitfire using a welded  diff? hows it 
> working
> out for you?
>
>  Thanks,
> Marty
>
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