07-26-2014, 01:16 PM
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#10 (permalink)
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Base Member
Join Date: Oct 2012
Location: Dallas/ Ft. Worth
Posts: 180
Drives: Nissan 370z grey
Rep Power: 13
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Quote:
Originally Posted by Z&I
I did exactly this ... wanted to make 500whp.
Upgraded the Vortech Impeller to SI trim and used the Stillen 9 lb pulley ...
It produced 483 whp/ 378 tqe at 11.9 psi.
Grenaded the stock motor as a result, and now I am having to rebuild it.
(Should have built the motor in the first place, it would have saved me time, money, and grief).
Can't say for sure if your stock motor will hold up, but I definitely wouldn't do both the impeller and pulley at the same time...
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Do you guys think that the test pipes could cause a little loss of hp? I had cats on it and it seems like it's a little sluggish at times. I'm thinking about going back to cats. Plus the fire balls were pretty cool.
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