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Author Topic:   Metric a-arm spring rates?
rnoswal53
Dirt Maniac

Total posts: 120
posted March 09, 2005 11:08 AM  
I have an about 98 or so American Made modified chassis. The front lower a-arms are metric and the car has leaf springs. I am trying to find out from you guys what works best for cars like mine. I will be racing an a 1/4 mile medium banked track that gets pretty dry slick midway through the night. The car originally had an 800 rf and a shorter, much thicker lf, but it was painted over and I can't tell what the spring rate was, but it looked at least 1000! I understand that using a lower rf spring rate than the lf works pretty good for some people.

Just curious, but I am ready to get that part at least close so I can start racing and fine tune later.

Thanks
Russ

badfastjr
Dirt Maniac

Total posts: 193
posted March 09, 2005 12:59 PM  
AN 800 LF AND 900 RF SHOULD BE PRETTY CLOSE OT START OFF SO YOU CAN GO EITHER WAY ON RATES DEPENDING ON WHAT YOUR CAR DOES. I RAN MINE SWITCHED IN THE FRONT WITH A 900LF AND 800RF IT SEEMED TO WORK OK.

[This message has been edited by badfastjr (edited March 09, 2005).]

kcoutlaw
Dirt Forum Racer

Total posts: 88
posted March 09, 2005 03:33 PM  
I run a 800 lf and 900 rf in my 99 American Made. Works good.

rnoswal53
Dirt Maniac

Total posts: 120
posted March 10, 2005 06:52 AM  
Thanks guys, that narrows it down pretty good for me.

Russ

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