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  1. Replies
    55
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    7,808

    I've run 93 with the 9.5-1 pistons with the Riva...

    I've run 93 with the 9.5-1 pistons with the Riva Racing ECU in my 06 with no issues and that was with the 3 rude charger spinning 8600 rpms but I did have a bigger fuel pump with a return loop system...
  2. Use the highest pump octane available. Suggest...

    Use the highest pump octane available. Suggest adding Torco Accelerator to pump gasolines.
    https://torcoracefuel.net/collections/accelerators/products/torco-accelerator

    According to Riva, they...
  3. Replies
    55
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    7,808

    You'll need a logger to adjust tune. I would put...

    You'll need a logger to adjust tune. I would put minimum 93 in it at first. I would have used 8.4:1 pistons, best stable bet. If its a siemens ECU, you won't be able to adjust or view timing with a...
  4. Replies
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    238

    Start with good fresh bores when installing new...

    Start with good fresh bores when installing new pistons. I like to use .0045 piston to wall clearance with the CP pistons.... don't go with their recommended .003, that's too tight.
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