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Author Topic:   tight or loose?
x13jc
Dirt Maniac

Total posts: 191
posted February 28, 2002 10:44 AM UIN: 27426975
What should happen on a dry slick track with a full tank of fuel (alky) as the fuel burns off? Will the car get tighter, or looser?Fuel cell in middle of rear, and can not be moved side to side. No bleeder valves.
Also, visa versa, on a wet track.
Just curious.

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RACERX

dirtracer14
Dirt Freak

Total posts: 333
posted February 28, 2002 11:13 AM UIN: 23443678
My car gets looser as the race goes on with dry slick. Now the car get loose going in the turns but still has good bite getting out,but thats just my car

x13jc
Dirt Maniac

Total posts: 191
posted February 28, 2002 04:18 PM UIN: 27426975
anybody else have some insight?

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RACERX

dirtracr
Dirt Forum Racer

Total posts: 79
posted March 01, 2002 04:37 PM
well i would think its going to get looser...but ive also noticed too much rear will make it loose too, either that or i was hanging my ballast wrong.....i have heard on nascar races that they will get tighter with fuel loss because it adds downforce to the front and it doesnt want to turn..right or wrong.

irace74
Dirt Full Roller

Total posts: 38
posted March 02, 2002 06:05 AM
In general a car would tend to get looser. Leaf springs or Long panhard bar from the right side of the chassis to the left side of the rear end I believe that this will be true. With a j-bar or a shorty bar on the left rear tha angle will increase causing the car to get a little tighter. Due to the rear weight loss I believe that in general a car gets a little looser but the dynamics of the chassis can compensate. Depending on bar angles etc a car can get tighter as fuel burns off. This is one of the tricks about running gas, less weight change, less chassis change due to less fuel burn off.

x13jc
Dirt Maniac

Total posts: 191
posted March 03, 2002 08:20 AM UIN: 27426975
thanks for the info, we were running a mono-leaf last year, and this year we are running a 3link setup. was curious as to what to expect.

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RACERX

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