Spring Killers?
Spring Killers? I’ve read several posts concerning cams that are spring killers due to the lift they have, for example the C2 which specs are 224/224 LSA 112 .581/.581. If I plan on using a cam with these specs on stock heads would it be better to just get something with less lift to avoid having to change springs often? I like the C2 specs. Comparing cams, which cam is better on the springs and makes more power with stock heads, the C2 or the TR 224?
Re: Spring Killers? With a C2 type cam or any other XE-R or very aggressive cam, I would get dual springs. Comp Cam's dual 987's seem to do an excellent job with these type cams and last longer in this application. Based on cam profile analysis I've been told there is like 1-2 percent difference in area under the curve between the TR224 and the Comp Cams 224 XE-R ie C2. The C2 has slightly more potential overall with stock heads I wouldn't think it would make much difference.
Re: Spring Killers? Unless there is new information that I do not know about... The 987's will not fit unless you take a little off of the heads. Try maybe the REV dual springs. They do not require any machining of the heads.
I like a little higher lift... especially if you go with aftermarket heads sometime b/c the heads today are flowing so well above .550 and upwards to .600... the higher lift cam will take advantage of the better flow up top.
I like a little higher lift... especially if you go with aftermarket heads sometime b/c the heads today are flowing so well above .550 and upwards to .600... the higher lift cam will take advantage of the better flow up top.
Re: Spring Killers?
Unless there is new information that I do not know about... The 987's will not fit unless you take a little off of the heads. Try maybe the REV dual springs. They do not require any machining of the heads.
TECH Enthusiast
Joined: Jun 2002
Posts: 563
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From: Deer Park
Re: Spring Killers?
bodhi what kinda number are you putting up? Got any dyno sheets you can post?
Mods were:
228/224-.588/.581-112 (straight up)
918 springs
Ti retainers
Hardened pushrods
ASP crank pulley- full belt
Katech ported TB
Hooker LT's w/ ORYP
Corsa cat back- full exhaust on the dyno (no cutout)
MTI lid
K&N airfilter
Custom tuning by Chris @ Speeddemon Motorsports
stock clutch
stock rear w/3.42's
17X9 WS6 wheels
Nitto NT555's (not DR's)
NGK TR55
Stock MAF (descreened)
93 octane gas
75 degree ambient temp
A/F ratio was at 13.3:1 at 6000rpm
14:1 at 3600rpm
This exact setup ran a 12.6@118 with a 2.26 60ft. Nothing was removed from car as it came from factory. I weigh 200lbs and had a JL stealthbox with a 10W6 sub and a RF 500-2 amp in during the pass at HRP.
Bone stock with the paper air filter and approximatly 1500 miles on the odometer (16X8 stock wheels with GSC's)- the car ran a 13.2 @108.7 with a 2.2 60ft at HRP.
Anything else?
