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Author Topic: How to set-up an IMCA Modified  (Read 13276 times)

shultisracing22

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How to set-up an IMCA Modified
« on: August 03, 2015, 09:04:52 AM »
I have an 02 Dirtworks IMCA Modified 4 link which was updated in 2010. I'm looking for a base setup for I-88 in Afton N.Y. Any help would be great. I'm new to this class. This is what I have as of right now, springs LF ?, RF 650, LR 200, RR 175, shocks LF Afco 1279-1, RF QA1 21A73-5, LR QA1 21A96-2, RR QA1 21A94-5M.
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frontierjoe

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Re: How to set-up an IMCA Modified
« Reply #1 on: August 04, 2015, 08:24:40 PM »
If I can find them I have the setup sheets for a dirtworks chassis. I will look tomorrow but am not positive I still have them.
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dirtfan07

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Re: How to set-up an IMCA Modified
« Reply #2 on: August 05, 2015, 10:27:11 AM »
A 9-1 on the LF sounds a little weird but other than that (as long as the LF spring is somewhere around 6-700#) you shouldnt be too far off to get started. More important to scale it and have those #'s correct
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shultisracing22

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Re: How to set-up an IMCA Modified
« Reply #3 on: August 05, 2015, 11:26:55 AM »
I went to Dirtworks webpage and get their base set-up and I spent all day the last two days putting their set-up in. So this is what I have in the car right know, Springs LF 650 RF 700 LR 200 RR 175, Ride heights LF 5 RF 5 1/4 LR 6 1/4 RR 6 1/4, Tire Size LF 81 5/8 RF 83 1/2 LR 82 RR 83 1/2, Tire Pressure LF 8 RF 14 LR 10 RR 12, and the Shocks are still the same.
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dirtfan07

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Re: How to set-up an IMCA Modified
« Reply #4 on: August 05, 2015, 01:50:46 PM »
This is a Chevelle clip car right? If you found the correct set up spec from Dirt Works, you cant go wrong with using that as your starting point
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shultisracing22

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Re: How to set-up an IMCA Modified
« Reply #5 on: August 06, 2015, 08:40:11 PM »
It's a metric chassis, Yeah I'm going to try it out on the 14th. Thanks for your help.
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24KC

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Re: How to set-up an IMCA Modified
« Reply #6 on: August 06, 2015, 09:23:33 PM »
Like Steve said take the 90-10 off the left front that is a wrap shock for the top of the rear.  Put an easy up like a 5-3 or a straight 3 on the left front.  Spring rates you posted are for Chevelle clip.  If it is a metric with Nova lowers I have always ran stiffer springs.  Pierce does run springs like that on a metric, but I get good travel on RF with a 900
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dirtfan07

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Re: How to set-up an IMCA Modified
« Reply #7 on: August 07, 2015, 10:23:30 AM »
Yeah, KC is correct on the springs. I assumed it was Chevelle clip cause most Dirt Works cars are. Make sure the set up sheet you found is for Metric chassis
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shultisracing22

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Re: How to set-up an IMCA Modified
« Reply #8 on: August 08, 2015, 09:31:20 AM »
Thanks for the information, I will try and find an setup sheet for a Metric. I'll let you know how I make out.
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Harris44mod

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Re: How to set-up an IMCA Modified
« Reply #9 on: August 09, 2015, 01:49:43 PM »
Look up Hoffman race cars and call Jerry Hoffman he'll help ya! Good smart man.
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Svr626

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Re: How to set-up an IMCA Modified
« Reply #10 on: August 14, 2015, 08:49:25 PM »
I have metric clip car not dirtworks and I run 650 lf and 600rf seems to be fine I wasn't getting enough roll with heavier spring on right front
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