ok guys setting up a 18 foot flat bottom v drive thinkin about doing a twin turbo setup ive done alot of car/bike building racing with power adders
but havent done any boat setup looking at 2 different size turbo setups dont kow if one is to small or to big any advise.. engine will be at first mild smallblock chevy intake mild cam slight head work etc..
then within a year build it up to full out race as in big solid roller cam big heads etc etc prolly use a 750 4150 carb i dont want to get the small turbos then outgrow them and i dont want to get to big a turbo and never be able to use them ...anythought on these two diffent sizes
ill be using 2 of these...
heres the two turbos im lookin at
.72 trim turbine
.60 a.r compressor
.63 ar turbinehousing
or 2 gt45,s
Inlet: 4 3/16" / Intake (ID/OD): 2.25"/3.25"
Inducer: 68.7mm / Exducer: 97.8mm
Trim: 69 / A/R: 0.66
Turbine: Outlet: 4"
Downpipe flange: 3.5" V-band
Inducer: 87.4mm / Exducer: 77mm
Trim: 92 / A/R: 1.05
anythought on these ..if i need more info let me know..