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Old 01-27-2018, 02:14 PM   #1
ttshovel

 
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front drag coilovers

what spring rates are you guys running on your front drag coilovers?
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12 camaro ss 427lsx, th400, f310 heads, crower shaft mounts, gpi specd solid roller, shearerfab 2k hp a/w, twin bullseye 88mm turbos, hughes pro ssx bolt together converter, holley dominator, 8.50 cert, backhalf, Ford 9", 33x17x16 tires, c16 fuel
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Old 01-28-2018, 08:42 AM   #2
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anyone? I've emailed a few shops to get their input. I've added weight to the front by going iron block, and weight of turbo setup. but lost a bunch of weight off front. tubular front crash beam, gutted dash, no ac, no abs, cleaned up harness, relocated fuse block. Lost a bunch of unsprung weight( which isn't used in figuring spring rate anyways).

I'm thinking 275 or 300lb springs in a 14" length. looking specifically at the afco big gun coilovers. front springs are basically there to hold the weight of the front up in a drag application, shocks will do the work of transferring the weight.

if it matters car will be around 1300rwhp or so and looking for a total car weight of 34-3500lbs with me in it
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Old 01-30-2018, 02:58 PM   #3
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the COPO set-up is 14" and Spring Rates of 175 up
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Old 01-30-2018, 06:45 PM   #4
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Quote:
Originally Posted by BMR Sales View Post
the COPO set-up is 14" and Spring Rates of 175 up
I talked to strange and they said they use a 16 inch 125lb and Pfadt drag coilovers use a 125lb rate up front. that seems really light!
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Old 06-21-2019, 01:10 PM   #5
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What did you end up with? spring rate suggestions are all over the place.
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2015 Camaro SS, LS3 Stroker, PRC heads,CUSTOM CAM. AGP 68/68 with custom Hot and Cold side. Fore triple pumps, Holley terminator X. BMR drag suspension with carlyle brake kit. 15" ET drags and 17" skinnies. ZL1 3.73 gears , aluminum driveshaft. TH400 with circle D converter.
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Old 06-21-2019, 01:30 PM   #6
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Originally Posted by hillshooter View Post
What did you end up with? spring rate suggestions are all over the place.
I actually haven't bought any fronts yet lol. I plan on rocking the stock fronts the rest of the season. But the 16" 125lbs seem to be the ones to run.
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Old 06-21-2019, 02:09 PM   #7
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I am installing the 175's this weekend. My good friend has been running them for a year or more with good luck. let us know how it goes!
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2015 Camaro SS, LS3 Stroker, PRC heads,CUSTOM CAM. AGP 68/68 with custom Hot and Cold side. Fore triple pumps, Holley terminator X. BMR drag suspension with carlyle brake kit. 15" ET drags and 17" skinnies. ZL1 3.73 gears , aluminum driveshaft. TH400 with circle D converter.
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