How should this 408 do?
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Joined: Jul 2010
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How should this 408 do? Well the old LS1 died on me so its time for an upgrade. I decided to go with a TSP 408. What kind of power should i expect out of this setup?
TSP 408
Wiseco -8cc dish 11:1
PRC 237 68cc
242/252 .614/.614 112+3
FAST 90/90
PS 1 3/4 LT
ORY magna flow cat back
Fidanza twin disc
strange 9"
TSP 408
Wiseco -8cc dish 11:1
PRC 237 68cc
242/252 .614/.614 112+3
FAST 90/90
PS 1 3/4 LT
ORY magna flow cat back
Fidanza twin disc
strange 9"
run at least some 38s on that set up 46 I would say would be better for you. Go ahead and upgrade them. If not you are going to run lean as **** on the top end. Better to do it right then to spend all that money for no reason. Im guessing you are on the stock fuel pump also.. You might get away with it for a while. Just make sure you have all the supporting mods.. would hate to see a new motor get trashed. 
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