comp 918s and magic stick?
Teching In
Joined: Mar 2005
Posts: 38
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From: Davie Fla.
Originally Posted by red01z28
I wouldnt risk it youll kick yourself in the *** if you do you would be a lot safer with dual springs
I would certainly recommend using the PRC dual valve spring kit with our MS3. The 918's are only rated to .600" from Comp. They would work for a little while, but I would not recommend taking the risk for the long-term. You're definitely safest with the PRC spring kit, and it's not even $100 more than the 918's at $259.99 with the springs, titanium retainers, hardened spring seats, and new seals. 
We have both springs in stock for whichever route you decide to take.
Let me know if you have any other questions or concerns.
Trevor
Texas Speed & Performance
We have both springs in stock for whichever route you decide to take.Let me know if you have any other questions or concerns.
Trevor
Texas Speed & Performance
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If I had known then what I know now, I would have gotten the MS3 and used it with Comp 918's. I mainly got the 235/240 TSP cam because it was close to .600 lift for the 918's. As Pedator is saying, Comp used to rate the 918's for much more, I think .625, before the 921 duals came out. The duals wheren't rated for that much more than 918's, so it appears that they reduced the rating on 918's so they could sell the much more expensive duals.
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The 918s are lighter and thus better performing. I would buy the PRC kit since it's inexpensive and you can install it and forget about it.
If you were going to drag race a lot where valvetrain weight mattered and the springs were going to get changed/checked religiously, then the 918s make sense. I'd choose the dual springs for road racing where the engine would see sustained high rpms.
If you were going to drag race a lot where valvetrain weight mattered and the springs were going to get changed/checked religiously, then the 918s make sense. I'd choose the dual springs for road racing where the engine would see sustained high rpms.
Well, lots of debate about the 918 springs as far as how much lift they can really handle not to mention lots of broke valve spring stories, changing out every 15K-20K, etc. and 0.581 is getting close.
Thanks
Thanks
