918 springs and 987 springs
11-18-2003, 09:40 AM
#2
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I can't give you technical numbers, but my speed shop swears by the 987's, and the 918's have had some negative feedback from breakages. See sig for specifics.
11-18-2003, 04:55 PM
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Hugger, don't do it !!!!!!! Take those 987's and throw them in the river!!!!! With your cam and those springs, @ 6500 rpms, do you know what is going too happen? VALVE FLOAT!!!!!!!!!! Don't do it cuz!!!
11-18-2003, 05:17 PM
#5
The 987s are great springs. TEA runs them on their heads and provides the customer with a 2 yr/24,000 mile warranty when you have those springs installed on their heads. I had them on my C5 with a TR224, never had a problem. One of THE most worry-free springs out there. I had no valve float, etc.
11-18-2003, 05:19 PM
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How do you know you have ZERO valve float ? I didn't say it wouldn't shift ; you can shift it where you want !! Are you a mechanic or a tuner ? With that lift, on those springs, you WILL experience some form of valve float!!!! But keep on doing it the way you want too , You can learn alot from a dummy!!!!
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11-18-2003, 05:27 PM
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Originally Posted by Nytmare
How do you know you have ZERO valve float ? I didn't say it wouldn't shift ; you can shift it where you want !! Are you a mechanic or a tuner ? With that lift, on those springs, you WILL experience some form of valve float!!!! But keep on doing it the way you want too , You can learn alot from a dummy!!!!
I know I have ZERO valve float because I had them checked..Thx
Never said i was a mechanic or tuner but thanks for your concern
11-18-2003, 05:31 PM
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Originally Posted by 02 TA
Will the 918's be ok with a 581 lift cam?
When I called TSP, they said to go with the 918s on thier 231/237 cam which has a 598 lift
11-18-2003, 05:36 PM
#10
The 987s are good up to at LEAST 0.600 lift *assuming their setup to the proper install height, etc*. If you think 918s are better in life span and controlling valvetrain stability then you're a dummy, lol, 
I'm not a tuner but am a competent shadetree mechanic (done about 10-12 LS1 H/C installs without a hitch), can read, and know that it's a proven spring based on TONs of tuner's using those springs for the best strength/performance/reliability.
I'm not a tuner but am a competent shadetree mechanic (done about 10-12 LS1 H/C installs without a hitch), can read, and know that it's a proven spring based on TONs of tuner's using those springs for the best strength/performance/reliability.
Last edited by CANNIBAL; 11-18-2003 at 05:45 PM.
11-18-2003, 05:41 PM
#11
Originally Posted by Nytmare
How do you know you have ZERO valve float ? I didn't say it wouldn't shift ; you can shift it where you want !! Are you a mechanic or a tuner ? With that lift, on those springs, you WILL experience some form of valve float!!!! But keep on doing it the way you want too , You can learn alot from a dummy!!!!
your calling CANNIBAL a dummy. well there goes some of your crediblity. 