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[dvst8r]

Hmm can't say I have ever driven Trevor's car with the 24.5's on it. Just street tires. I did drive that 79 with some sticky yoko's.

Now I want to clarify. It most certainly increases turning radius, but in my experience it is not unreasonable.

[danz]

hm ive never been auto-x'n

some dude came by from Harrison the other day and was going on about circle track racing at agazzi (how ever the fuck you spell it)

sounds like fun.  i gotta try some different racing other than drag racing

[PhilStubbs]

A spool in a turning car goes against everything I ever knew. It's surprising to hear some success with it.

[dvst8r]

Go carts run spools in the rear. (I know apples oranges)

I don't think Trevor has ever run auto x, he was too hungover to make the last one of the season this year. I know in my experience there was never too tight of a corner in any of the courses I ran, that I couldn't navigate them with the reduced turning radius of the welded diff, and the big difference was exiting corners, and not just having my inside tire spin and not go anywhere. It actually caused me to have some oversteer issues if I wasn't careful. The 79 was setup like most of the vw rabbits that I competed against with no front sway bar, and iirc I found a big bar out of like a ford ranger and fabbed some brackets to make that work for my rear bar.

That car was down right scary in the rain merging on tight overpass loops, if for some reason I had to get out of the throttle. I had one time in exactly that circumstance, a big piece of plastic blew up out of the inside of the loop, and I just saw it with my peripheral vision panicked as I wasn't sure what it was dropped right out of the throttle, and the car looped about 4 times before it came to a stop, in the right hand lane on the free way. Thank god traffic was light, and people managed to get around me.

[dvst8r]

Oh and that had nothing to do with the welded diff and everything to do with the suspension setup, and me letting panic overcome good driving sense.

[Foowee]

I think negative camber+weight transfer is what enables a spool to function in a car that turns.  Then all the power is going to the front outside wheel, so I could see it going faster 'cause you'd be able to get into the throttle sooner, than if all the power were being used to spin the inside front tire...

[Corey]

driving a spooled FWD car on slicks is a whole different animal then some crap street tires that give a bit while turning.

[PhilStubbs]

It won't be on drag slicks in the auto-x if that makes a difference

[Towdogg]

I tryed to google spooled...

Whats it mean?  ASSuming welded diff...  

[danz]

yeah a spool is just a solid hub instead of a diff/lsd, so a spooled diff would just be solid.

[ratcityrex]

I tryed to google spooled...

Whats it mean?  ASSuming welded diff...  

[PhilStubbs]

What are everyones thoughts on using a phantom slip for just the GRM challenge? I know they rely on the weak D diff pin but would it be better than an open diff for a 2 day event?

[92CXyD]

What are everyones thoughts on using a phantom slip for just the GRM challenge? I know they rely on the weak D diff pin but would it be better than an open diff for a 2 day event?

I would ask Bones, oh and look out for an education on this.

[Foowee]

I think there is a gold/hardened oem diff pin that can be used w/the phantom slip, but it still doesn't replace the weak spider gears... 

driving a spooled FWD car on slicks is a whole different animal then some crap street tires that give a bit while turning.

Notice how much of the inside tire actually touches the ground:



Most handling has to do with how the outside tires make contact and how you can apply force to them...