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04-27-2011
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#1 |
 
Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,169
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Coilover too much spring?
I was at Dominic's tonight and he said he was not happy with Coilovers, said they are hard and bounce back instantly.
so while he was working on his car I was looking at his springs and they don't seem right. To me I think he has 12" springs which are too long. He said he thinks it is a DRM kit, but the coils on the springs look too close. Dom's:  Mine (10" 425 rate Hyperco):  I just think Dom's is compressing on itself.. no room to go anywhere what some of the other Coilovers look like?
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1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - Flowmaster Cats - Borla Catback Late Model IH - Plenum Coilovers - 4.10s Custom Interior NCM Lifetime Member #978 |
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04-27-2011
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#2 |
  
Join Date: Feb 2010
Location: Pendleton, IN
Posts: 3,904
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Re: Coilover too much spring?
Looks like your theory is sound.
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1988 KOH Prototype EX5023 sold 1990 ZR-1 #444 Convertible 1990 ZR-1 Black #966 1991 ZR-1 Quazar Blue #296 1957 Duntov SS Project |
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04-27-2011
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#3 |
Join Date: Mar 2007
Location: Crystal Lake, IL
Posts: 7,194
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Re: Coilover too much spring?
Exotic Muscle?
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LGAFF 90 #966-150K miles-sold 92 #234-sold 1987 Callaway TT #17 1991 ZR-1 #1359 |
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04-27-2011
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#4 | |
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Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,169
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Re: Coilover too much spring?
Quote:
I think if Dom switched to 10" springs the ride would get better Hyperco springs are about $60 ea at Speedway motors I would do 425 front/ 275 Rear I wonder if one of the PO of Dom's BR swapped the springs, but Lee you might be right with Exotic Muscle for the kit since the car was down that way
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1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - Flowmaster Cats - Borla Catback Late Model IH - Plenum Coilovers - 4.10s Custom Interior NCM Lifetime Member #978 |
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04-27-2011
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#5 |
Join Date: Aug 2008
Location: Houston 90 Red ZR-1
Posts: 2,320
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Re: Coilover too much spring?
Are you saying that coilovers put to much spring in his step? Ah cha cha cha!
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04-28-2011
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#6 | |
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Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,169
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Re: Coilover too much spring?
Quote:
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1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - Flowmaster Cats - Borla Catback Late Model IH - Plenum Coilovers - 4.10s Custom Interior NCM Lifetime Member #978 |
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04-28-2011
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#7 | |
 
Join Date: May 2007
Location: Peoria, AZ
Posts: 9,155
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Re: Coilover too much spring?
Quote:
Based on these pics Jeff you are correct. My springs (Hypercoils) like yours look just like yours. Doms are entirely too compressed. Hes riding on a buckboard at the moment or a nut crusher if your prefer. GC Mine for comparision  
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GOLDCYLON - 91 ZR-1 #2014 GOLDCYLON - 90 ZR-1 #2794, 4L60e (Formerly Schrade's) GOLDCYLON - 11 CTS-V Arizona State Director  91 WHITE/BLACK #2014. 380 P&P&PCed,Ported Heads, Jeal Long tubes, Corsa Exhaust/FIKSE FM-5s /LED TLs, LED Headlights, Front Wilwood 6 piston narrowlite calipers and rear Wilwood caliper street shop mod,CNCed Coolant Pipes,TPI Cvr,Filter cover,Stainless Bolts, DRM/DOM PROM /ZFDOC mod build #102,DRLs,BMAD with stainless Debris Screen,Coplan Air Blaster, Pioneer APP Radio 4,Brey-Krause HB,Sub Bar,Fire extinguisher seat mount,DRM Coilovers,LEDs everywhere,Compass mirror (orange),V1 DIC hidden display, Homelink sun visor, Carbon Fiber top x3 and APSIS Carbon Fiber interior, APSIS CF Steering Wheel/NAPA Leather, Banski trailing arms, Guldstrand front suspension,urethane bushings from Prothane (total suspension) ZFDoc drive shaft safety loop, raptor shift light (orange),AO engineering louver front plate, Console seat cushion, 96CE seats with black custom Sheepskins, ss billet catch can,Viper remote entry/alarm,Cragar Rear Louvers,LED side louver lights, Dewitts Radiator with SPAL fans and a Woods 160 T-Stat 90 RED/BLACK #2794. 4L60e Automatic Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless Headers, Corsa Exhaust, SAN Secondaries and Haibeck PROM, Exotic Muscle Coil overs, LED Interior Lights, LED Tail Lights, LED Headlights, 94 Sport seats with black custom Sheepskins , Cragar rear louvers, GS Front calipers, Banski Trailing arms, APSIS Carbon Fiber steering wheel, Front and Rear Baer Eradispeeds, DRLs, Guldstrand front suspension,urethane bushings from Prothane (total suspension), Dewitt's Raditor with Dual SPAL fans and a Haibeck 170 T-Stat 11 RED/GREY CTS-V Last edited by GOLDCYLON; 04-28-2011 at 11:03 AM. |
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04-28-2011
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#8 |
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Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,708
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Re: Coilover too much spring?
Guys,
Thanks for the pics. Definitely the wrong springs. Not sure where they came from or what they are. I'm wondering if I just don't go ahead and buy the right springs trying to get them on before BG. The car literally bounces off the road when I hit a dip. Might explain the rubbing sound I get on a left hand sweeper. The rear tires are rubbing the inner fender well a bit towards the rear also. |
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04-28-2011
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#9 |
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Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,169
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Re: Coilover too much spring?
yes i would get new springs..
but you need to decide on the rates
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1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - Flowmaster Cats - Borla Catback Late Model IH - Plenum Coilovers - 4.10s Custom Interior NCM Lifetime Member #978 |
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04-28-2011
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#10 |
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Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,708
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Re: Coilover too much spring?
Just spoke w Randy at DRM. He suggested the 400/275. He described it as a tight ride without being bouncy. I asked about the 425s and he said that if he swapped them after having 400s, I wouldn't be able to tell the diff if i hadn't already known. So if I wanted to stiffen things up a bit, I may try the 450s. If I can get them soon enough, I would cancel my alignment to put these on.
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