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Ls1 turbo gt4788 a/r 1.08

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Old 01-03-2012, 05:34 AM
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Default Ls1 turbo gt4788 a/r 1.08

hi guys
I have ls1 stock stroker
pistons diamond
rods compstar 6.125
heads trick flow
intake manifolds super victor 90mm
polts :ARP
cam : g5x2
turbo : gt4788 a/r 1.08
please A/R 1.08 Is it suitable for my engine?
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Last edited by patriot-ss; 01-03-2012 at 05:39 AM.
Old 01-03-2012, 11:53 AM
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What CI and CR? Its gonna be laggy... I have an 88mm 1.08 a/r t6 on my 402 CI 9.3 CR and its a little laggy for my liking. Starts building boost around 3k full spool by about 3800.
Old 01-04-2012, 01:50 AM
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hi
thank you
CR :9.5------ CI :346
Old 01-04-2012, 07:12 AM
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What the hell are you putting that monster in? I wanna see pics of how that sits in the bay... A smaller hot side will get you spooling alot quicker than that big azz 1.08. If this is for drag only i guess that should be fine...
Old 01-04-2012, 12:40 PM
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Its not considered a stroker if it is a 346? Usually a 4.00 stroke would make it close to a 383.

What are your hp goals? Sounds like it should be fine to me, unless you tell us your trying to make 1000+ rwhp.
Old 01-04-2012, 01:04 PM
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We're going to try S91 with OFI kit on 347ci very soon.

Are building the car for street or 1/4 ?
I'm getting full booste around 3200rpm on the street with my ST80 83 turbine 1.15A/R the GT4788 will have more lag but I'm sure the stalled auto will help alot.
Old 01-05-2012, 10:41 AM
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I guess i need to do my homework on V8's building boost... a GTX35r on STi with a 1.06 hotside didn't see full boost til 4600 rpms. Your spooling a 1.15 by 3200rpms? Sorry for the thread jacking...
Old 01-07-2012, 06:04 AM
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thank you guys
I appreciate your participation
Special thanks to venom ws7



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