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Post by Fitzpatrick Racing on Dec 26, 2013 9:01:52 GMT -6
Hi everybody I race North of the border in Ontario at a small 1/3 flat clay oval. I run a 3100 lbs metric car. Im returning to racing after being off for 6 years. I ran a different metric car then and even won a track championship in 2004. But I have a new chassis and a few rule changes since I raced. We now have rear load bolts, cars can weigh 3000 lbs. The car has a 355 with a Glide which I am switching over this off season to a 3 speed standard. When I bought the chassis it was 2 years old and raced lightly one season. I didn't get any info with the car regarding scales number etc. It had a 800 LF 900 RF 225 LR and a 200 RR with no sway bars. Ive been doing some research and it suggest that I spring the car for the feature that being lighter and use spring rubbers to stiffen it up for the qualifiers. One thing is this commonly done and 2 what difference will the rear load bolts do? BTW we cannot change any front end pieces such as Impala spindles etc. Any information would be greatly appreciated. Thanks, Grant.
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Post by Fitzpatrick Racing on Dec 28, 2013 12:07:23 GMT -6
Anybody??
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Post by Deleted on Dec 28, 2013 16:55:02 GMT -6
OK, I ran 1000 RF and 850 LF and 200 LR and 175 RR in a 3200lb car with 57.5 rear% Can your car weigh in at 3000 with the %'s you want? If it can then the front springs may be OK and you can always play with the spring rubber if you want. I would go with the 200 and 175 in the back if you can keep it at 3000 or close. The rear jack bolts will just make it easier to set up the car, and you can always put a couple rounds in the LR when it slicks off to tighten you up off the corner. For me, I always put enough RF spring into the car to keep it from bottoming out, and that just depends on your driving style. I spring the rest of the car around that. I dont think there is any one magic spring combo. We have won races with a 1400 RF all the way to a 650, it just depends on what the car wants. Give the car what it wants, not what you think it wants.
Dave
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Post by Fitzpatrick Racing on Dec 28, 2013 17:16:26 GMT -6
Thanks Dave, since we cant change spindles do you recommend taller ball joints to try and get some geometry in it and to also lower it a bit? And I read that if I use a 92 Camaro center link it will help with bump steer. Is that correct?
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Post by Deleted on Dec 29, 2013 10:21:56 GMT -6
Look at my thread "My metric front end setup" it should help alot. If I couldnt use the camaro spindles I would use the taller ball joints. I used a stock metric center link and my bump steer was close enough. RF camber gain is where its at. Can you use tube upper arms? Read that thread it should spell almost everything out you need to know.
Dave
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