what size turbo ?
#1
alright fellas I am joining the darkside and need some help. I have an Lq4 bottom end with P&P ls3 heads and I was wandering what size turbo to go with? this is going in a mustang with an 80e behind it. its not going to be driven everyday and im going to stick with the stock bottom end right now. also after I get the turbo I will be gettin a custom cam for it also. So what do yall think ????
#2
you might want to go over to ls1tech... plenty of builds just like yours in the forced induction section! but if your on a budget i would go with a s480! good for 1300hp and will give you room to grow later on.
#6
How much power? What are your goals for the car? How do you want it to drive on the street? How much do you want to spend? All needed info when choosing a turbo. 
If you say 1000hp and instant spool on the street, I'm going to kick you in the shin!!,

If you say 1000hp and instant spool on the street, I'm going to kick you in the shin!!,
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#8
#10
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



