F.A.S.T. 90/90 Combo
This is a discussion on F.A.S.T. 90/90 Combo within the External Engine forums, part of the LSx Technical Help Section category; You must have had a shiteatingrin when you got to drive her after all that. Thunder Racing sells three different ...
10-11-2007, 11:49 PM #61
You must have had a shiteatingrin when you got to drive her after all that.
Thunder Racing sells three different "shells' of the Fast 90, the outer, inner and middle.
Does one need all three or is the advantage in the runners or outer shell mostly?
10-12-2007, 05:32 AM #62
- Join Date
- Dec 2005
- Dallas, TX
'12 Silver SS 1SS
- '00 Black SS #8617
you would need the entire intake (top, middle, and bottom sheels) to benefit for going to a FAST setup. the bottom shell sits deeper in the valley and is the reason you need the different and shorter headed valley bolts. obviously the middle shell compliments the top and the bottom respectively, while the top shell has higher runners than the Ls6 intake. a side by side comparision shows just sure differences...
10-17-2007, 04:43 PM #63
- Join Date
- Sep 2005
black & silver
- 1999 Z28
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