what size turbo ?
#12
I have a gt4508R on a 402 with 9.3to1. 1.15 ar with a 80e behind it. The compressor map on it is great for a 370 inch motor, its a perfect match. from 6psi to 20psi. Even on my 402 is great. Was running the s400 stuff for awhile. great budget turbo but doesnt compare to the 45. just my .02
#13
I would get the smallest turbo that will achieve your goals. I built a 87 cultlass with a 5.3 and a mp70 its way more fun on the streets than the big turbo cars we built. The little 70 put the car in the 10's at fairly low boost and it pulls hard out of the hole. I would get a 76 from turbonetics and let them pick you're exhaust trim and housing.
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