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boosted ls1 pistons/rods?

This is a discussion on boosted ls1 pistons/rods? within the Internal Engine forums, part of the LSx Technical Help Section category; I have been running about 14 psi daily on my completely stock ls1 with a master power gt45 turbo, but ...

  1. #1
    Junior Member
    Join Date
    Nov 2008

    boosted ls1 pistons/rods?

    I have been running about 14 psi daily on my completely stock ls1 with a master power gt45 turbo, but I am looking to be able to run more on pump and the ability to run much more on race gas. From what I understand the best brand piston for boost is a Wiseco? Not sure how much truth there is to that though. I was looking to lower the compression to about 9:1, any thoughts about this being too high/low?

    Right now my best options are Wiseco K392X3905 pistons which are a -25cc dish 8.6:1 @ 65cc but that puts me at a fairly low CR. I am also looking at DSS Racing -15cc, Dish, 3.905 Bore/6.125 Rod/3.622 stroke 9.0:1 at 64cc which is exactly what I am looking for CR wise, but have never heard of DSS and would like some input on piston quality.

    As far as the rods go, I have been told Lunati makes the best rods, but how do the Crower or Eagle rods compare?

    Any other info/help is greatly appreciated!
    1993 Rx7 - LS1 w/ GT45 - [ame][/ame]

    1995 BMW - LS1

  2. #2
    Member JRENIGAR's Avatar
    Join Date
    Oct 2009

    99 camaro

    cr needs to be 8.5:1. The 03 cobras have manley h beam rods in them and can handle 1000hp...

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