Springs for TSP 231\237 cam?
We've been running the 231.237 with 918s without a problem 
If you don't mind the extra $$$, you might also consider the Crane or Patriot double spring packages.
If you don't mind the extra $$$, you might also consider the Crane or Patriot double spring packages.
__________________
Jason
Co-Owner, Texas Speed & Performance, Ltd.
2005 Twin Turbo C6
404cid Stroker, 67mm Twins
994rwhp/902lb ft @ 22 psi (mustang dyno) www.Texas-Speed.com
Jason
Co-Owner, Texas Speed & Performance, Ltd.
2005 Twin Turbo C6
404cid Stroker, 67mm Twins
994rwhp/902lb ft @ 22 psi (mustang dyno) www.Texas-Speed.com
TECH Fanatic
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From: rosemount,mn/windsor locks,ct
when i do my TSP 231/237 cam swap i am going to be going with the comp 921's(dual springs) with titanium retainers just alittle more insurance with a that big of a cam.i have heard of the 918s letting go and dropping valves and that is when you engine goes BOOM!! 
thunder racing sells the comp 921 spring kit-P/N 63-26921-KIT(www.thunderracing.com)
thunder racing sells the comp 921 spring kit-P/N 63-26921-KIT(www.thunderracing.com)
