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Thread: Which springs to use?
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03-02-2007, 06:29 AM #1
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black, 05 Roush- black, 99 T/A WS.6
Which springs to use?
I have decided to go with a TR224 cam with 112 LSA (224/224 .563/.563) I was thinking of getting a TSP 228R cam before and was thinking of getting dual springs but with the 224 cam do you guys think the comp 918s will last quite a while or should I still go with the dual springs. give me your opinions.
1999 T/A WS6 Black -------SOLD
05 mustang Roush sport;
DOB manifold, m122 SC, 47lb injectors, gt500 TB, roush TVS CAI, Detroit rocker SC grind camshafts, Mac LTs, off road x, roush off road mufflers, roush short throw shifter, kenne bell BAP, Brenspeed 93 octane tune. 479rwhp 436ftlbs SAE.
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03-02-2007, 08:02 AM #2
WIth a mild cam like that i'd definately go with the comp 918's, they work with the stock retainers and seats and the beehive design has low operational mass which is good for the valve train and rpm's. The double springs are heavier and require different retainers and seats cause of the larger diameter, unless you are going over .600 lift i'd stay with the 918's, they are good springs for your application and just happen to be very affordable. I was gonna get the comp 918's with a milder cam to save money but im going straight for the ms4 cam which requires double springs and i'm goin with the prc kit.
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03-02-2007, 09:17 AM #3
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black, 05 Roush- black, 99 T/A WS.6
thanks for the opinion, it is greatly appreciated. I was thinking pretty much the same.
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03-02-2007, 10:07 AM #4
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black- 2000 nhra edition formula
i have duals. i rather have overkill.
2000 nhra edition formula
a few bolt ons, 379 rwhp
11.96 @113.25
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03-04-2007, 06:21 PM #5
I have the TR224 with 918's, been in the about 3 years no problems.
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03-05-2007, 02:05 AM #6
The 918 will be fine as long as the installed height is correct. If that is right you should have NO issue. Just make sure that lifter pre load is correct during install.
Don't be afraid of the bottle!!! Be afraid of your tune!!!
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03-05-2007, 02:10 PM #7
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- Apr 2006
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- Chowchilla CA
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White- 2001 Z28
Some people say that dual springs increase hp by not activating knock sensors. Is that true?
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03-05-2007, 06:20 PM #8
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