[Shotimes] Welded Spider Gear?

[Robert Bruce]

I saw that episode.

On a flat paved oval, the welded diff (or solid spool) can make you very
loose on entry.  You would always want a ratchet type rear diff in that
case.  It allows you to float into the turn with the rear effectively
unlocked.  Then when you apply power, the locker grabs & both wheels power
off the turn.

Similarly, a locker would have been very helpful on the "8".  Bet Monster
Garage would have put in a Detroit Locker if there had been enough "allowed"
budget.

Robert Bruce
93 atx


-----Original Message-----
From: shotimes-admin@autox.team.net
[mailto:shotimes-admin@autox.team.net]On Behalf Of Ron Porter
Sent: Sunday, September 21, 2003 12:57 PM
To: 'Jim Heaton'; 'SHOTimes'
Subject: RE: [Shotimes] Welded Spider Gear?


Don't know if you saw Monster Garage the other day, but they turned a cherry
El Camino SS into a Figure-8 racer. They welded the diff on that car. When
Jesse tried it out in the parking lot, there was a lot of tire smoke of
every turn!!

It also appears that the quickest way around a tight Figure-8 track is a
sliding turn, so the locked diff is fine.

IMHO, RWD race cars can probably get away with it, as dragging/spinning the
inside wheel is probably no BFD. With FWD, though, a spinning inside wheel
also has an effect on steering. It would probably also be a real bear to
wrestle around a corner!

Ron Porter

-----Original Message-----
From: shotimes-admin@autox.team.net [mailto:shotimes-admin@autox.team.net]
On Behalf Of Jim Heaton
Sent: Saturday, September 20, 2003 2:25 PM
To: SHOTimes
Subject: [Shotimes] Welded Spider Gear?


This reminds me. A buddy of mine used to race Datsuns
and got better performance by welding the spider gear
for a poor mans posi.

Does that work for FWD? Anyone tried it on a track
car? Kind of a poor-man's Quaffie

-Jim

>The pinion shafts THEMSELVES can/will gall on the
>spider gears, and break themselves (I remember seeing

>sergio's at the 99 convention, looked like somebody
>had put it on a lathe and milled out .100" off the
>center!) where it broke.


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