Is a TB upgrade needed for a 402?
05-09-2005, 08:24 PM
#4
TECH Fanatic
if i were you....get some dyno numbers with the LS6 and stock TB.....
then i would fork over the $$$ and get a 90/90 FAST set-up... i think you would see some very nice gains with you 402!
then i would fork over the $$$ and get a 90/90 FAST set-up... i think you would see some very nice gains with you 402!
05-09-2005, 10:25 PM
#5
I was going to wait on the FAST setup until I get my supercharger. I guess what I am asking is which TB? Ported, AccuFab 75mm, BBk 80mm, or TPIS Oval? The ported is the cheapest to replace when I goto the FAST intake. Both the 75 and 80 are almost the same price. TPIS is too much if I am going to FAST later.
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05-11-2005, 04:19 AM
#13
I am thinking about the FAST 78mm. Does it bolt-on to the LS6 manifold? They have them with and without the TPS sensor. Should I get it with the TPS? My thought is I can use it when I upgrade to the LSX intake with the supercharger.
Last edited by Gold Phoenix; 05-11-2005 at 08:25 AM. Reason: Different question
