Suspension at the track - TCCoA Forums
 
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post #1 of 16 (permalink) Old 06-27-2010, 03:41 PM Thread Starter
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Suspension at the track

I've noticed this before but I found a pic from yesterday's track event that really shows it well.

Supposedly the IRS setup is not as prone to torque the chassis as much as a solid axle. I have subframe braces, front K-member braces, pinion brace, rear torsion brace, rear cover brace and a rear shock tower brace. New solid motor mounts were installed last year. Tire pressures are religiously checked at the track. Air suspension is shut off at park height.

What am I missing?

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post #2 of 16 (permalink) Old 06-27-2010, 04:56 PM
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soft shocks? bad sping?? Just throwing ideas out there where to look

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post #3 of 16 (permalink) Old 06-27-2010, 06:05 PM
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You keep torqueing to the left. Stop it.

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post #4 of 16 (permalink) Old 07-04-2010, 08:51 AM
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Looking at the picture, I don"t see the problem. Your chassis is always going to move a little when an engine is bolted to it at WOT. 350+ foot pounds of torque at the crank shaft = 350+ transmitted from the block to the chassis. Is it causing a problem?

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post #5 of 16 (permalink) Old 07-04-2010, 09:23 AM
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Agreed. I don't see any problem except that your front wheels are still on the ground. A set of skinnies should help with that. Oh, and that guy on the left has a really dumb look on his face, you should replace him too.

What exactly were you thinking is a problem? Chassis torque? It sounds like you've got it firmed up nicely. I don't think you're missing anything.

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post #6 of 16 (permalink) Old 07-04-2010, 10:22 AM Thread Starter
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"Barbells" are what I call the front wheels, LOL.

After further study, it has been concluded nothing is "wrong" and the camera angle is responsible for exaggerating any visible chassis twist.

The dumb look is purely a disquise meant to deceive my opponent.
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post #7 of 16 (permalink) Old 07-04-2010, 11:04 AM
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LOL, actually I was referring to the track staff guy standing on the left. But, yea, now that I look again the guy behind the wheel has a dumb look too. Great, deceptive, poker face!

Mods? Yea, I got mods ...
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post #8 of 16 (permalink) Old 07-04-2010, 11:13 AM
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I was looking for the pic of the Mustang with the serious body twist that someone posted in one of the recurring 5.4 threads; That looked awesome, but would be hard to deal with.

Your Mark looks great!

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post #9 of 16 (permalink) Old 07-04-2010, 11:44 AM
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whos bird is that in the back? It looks pretty nice

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post #10 of 16 (permalink) Old 07-04-2010, 12:05 PM Thread Starter
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Quote:
Originally Posted by Trunk Monkey View Post
Great, deceptive, poker face!
I have a lot of fun at the track but I am all business in the lane.

Quote:
Originally Posted by Grog6 View Post

Your Mark looks great!
Thanks!

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whos bird is that in the back? It looks pretty nice
I think that was blown38's SC.
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post #11 of 16 (permalink) Old 07-16-2010, 12:19 PM
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what size slicks you runnin? mine are 8.5x26x15 on stock t-bird fan blades

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post #12 of 16 (permalink) Old 07-16-2010, 06:23 PM Thread Starter
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They are the Hoosier QTP DOT drag tires, not slicks.

27x10.5-15

I used to run the same tire in a 26x9.5-16 before the heads/cams and the hub/brake swap. With the added power, I figured I needed a bit more tire.
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post #13 of 16 (permalink) Old 07-16-2010, 06:56 PM
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ok, thanks, I came across this thread while searching for a solid 8.8 axle setup, and I noticed they looked bigger than mine. You know anything about a solid axle setup? I never really found anything on it for our cars, only mustangs. Thanks

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post #14 of 16 (permalink) Old 07-16-2010, 07:39 PM Thread Starter
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Sorry, can't help you there.

My first thought was why?
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post #15 of 16 (permalink) Old 07-16-2010, 08:49 PM
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lol, for ride quality, the irs is better, a guy from mod depot said if if put serious power to the car, i needed a solid setup if I planned on racing it often with slicks. the car has 270,000 miles, so i'm sure it would take much to break it.

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post #16 of 16 (permalink) Old 07-16-2010, 10:45 PM
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set-up...

Hi

well I have 600's up front & 275LR & 325RR
added 200lbs of lead in rear.


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