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Discussion Starter #1
i planning on making 800thrw with a 357 should i use twin 57's with .50 comp.ar and .63 ex or a single with .70 comp and 1.32 ar. or any thoughts would be nice.




357
victor jrs
victor jr intake
blow through carb
3.31 gears with c-4
 

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i planning on making 800thrw with a 357 should i use twin 57's with .50 comp.ar and .63 ex or a single with .70 comp and 1.32 ar. or any thoughts would be nice.




357
victor jrs
victor jr intake
blow through carb
3.31 gears with c-4
im running a 351w roller block with a turbonetics 76mm.as for the A/R you dont want to go any bigger then a .96A/R on a 351w.also i think you meant a 3.73 for your gear.i never heard of a 3.31 gears.most people stay with a stock gear or at most a 3.55 you dont want a big gear on a turbo car
 

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I would run nothing less then a 76mm running a single and would even be looking at some 80 and up sizes also with 351 cid and wanting to make 800 to the wheels you might want to think about moving up to a T6 frame turbo like a S480 or a gt4788 to help control some of the back pressure issues you may see..IMO for what it is worth

To St Peter the 331 gears come in alot of the new 8.8 stuff trucks and Mustangs I have a set out of a truck they work well...
 

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Discussion Starter #5
351 turbo

ok what about one like this

t-76
.80 ar comp.
.81 ar turbine wheel
turbine wheel 72.78mm 64.20mm
comp. trim 76.80mm 102.35mm
intake 3.95in.
outlet 2.5in.
t-4 flange
 

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I would not bother with a twin set up. S475 will get the job done and leave you some cash to play with. A T6 set up is what you want. Leaves you room to grow in the future.
 
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