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mpt70 and LQ4?

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Old 06-05-2010, 01:51 AM
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Default mpt70 and LQ4?

will a mpt70 be to small for a stock lq4 not lookin for max HPs just where every 5psi puts it. just for fun wont go over stock RPM my main deal is the back pressure? maybe 450ish hp but really doesnt matter this is only for fun tryin to do it on a shoe string budget.
Old 06-05-2010, 09:39 AM
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Originally Posted by camarokid94
will a mpt70 be to small for a stock lq4 not lookin for max HPs just where every 5psi puts it. just for fun wont go over stock RPM my main deal is the back pressure? maybe 450ish hp but really doesnt matter this is only for fun tryin to do it on a shoe string budget.
That is a good turbo for 5 psi. You will not have problems with back pressure till you really turn up the psi.
Old 06-05-2010, 09:40 AM
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my nova ran this setup
t70/.96 ar
lq4-stock
4l80e
460whp/485tq
12psi 13 degrees of timing

http://www.youtube.com/watch?v=Q6IB825_1CM

Last edited by 73 nova guy; 06-05-2010 at 09:46 AM.
Old 06-05-2010, 09:41 AM
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Default .96 a/r

An MPT70 will get you to 500rwhp, but you should target a larger A/R, for a 450-500 rwhp target I would suggest 0.96. However, a larger turbo MPT76 will also get you there and leave more room for growth in the future. If you are sure you want to hit a 500rwhp max target, the MPT70 0.96A/R would work well.
Old 06-05-2010, 09:45 AM
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i could have easy hit 500whp with two or three degrees of timing with the same boost
Old 06-05-2010, 05:33 PM
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YES i made 520 rwhp @ 12 psi, 15deg timing, stock LS1.

600 is possible if you forge up and push the boost.
Old 06-05-2010, 09:48 PM
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what injectors are you running? Stock PCM? One fuel pump? A/F gauge?

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Old 06-05-2010, 11:14 PM
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Originally Posted by MillsMotorvation
what injectors are you running? Stock PCM? One fuel pump? A/F gauge?
60lb/411 pcm/Aeromotive A1000/ 11.5 A/F.
Old 06-05-2010, 11:22 PM
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The T70 will make 600rwhp in a P trim 96 a/r. It is also available in a Q trim 1.0 a/r now.
Old 06-06-2010, 04:37 PM
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Originally Posted by kbracing96
The T70 will make 600rwhp in a P trim 96 a/r. It is also available in a Q trim 1.0 a/r now.
I had the 1.0 Q trim
Old 06-07-2010, 12:17 AM
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spoolup on that nova sounds great, i bet that car is a blast on the street
Old 06-08-2010, 12:55 AM
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Originally Posted by dragcamaro
spoolup on that nova sounds great, i bet that car is a blast on the street
it is! so good that i whacked the limiter so hard i broke a piston
Old 06-08-2010, 02:50 AM
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Originally Posted by 73 nova guy
it is! so good that i whacked the limiter so hard i broke a piston
ah man thats terrible! awesome work though, good luck getting it back on the pavement soon!
Old 10-28-2010, 07:00 PM
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updates?
Old 10-28-2010, 08:27 PM
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S400sx t4 1.10 a/r is also good for instant boost on a 6.0



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