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4 Bolt Mains??

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  • #1

    4 Bolt Mains??

    I'm working with an engine builder, to put together a 383 stroker. We're looking somewhere above 450hp. Question: If we use my block-shouldn't we switch this over to 4 bolt mains? He seems reluctant to do that-says he doesn't feel it's necessary. In every other way he's been happy to use whatever parts I want. What do you think?

    Thanks guys!
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  • #2
    If done right 2 bolts are good for 700 hp. Someone may want to chime in on this.
    Blazer

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    • #3
      You shouldn't have any problems with 2-bolt mains a that HP level. Upgrade to ARP studs and billet caps.
      Fred

      381ci all-forged stroker - 10.8:1 - CNC LT4 heads/intake - CC solid roller - MoTeC engine management - 8 LS1 coils - 58mm TB - 78# injectors - 300-shot dry nitrous - TH400 - Gear Vendor O/D - Strange 12-bolt - 4.11's - AS&M headers - duals - Corbeau seat - AutoMeter gauges - roll bar - Spohn suspension - QA1 shocks - a few other odds 'n ends. 800HP/800lb-ft at the flywheel, on a 300-shot. 11.5 @ 117MPH straight motor

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