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How much boost on a small block mopar?

Discussion in 'MOPAR Turbo Tech Forum' started by rick4106, Sep 18, 2013.

  1. rick4106

    Joined:
    Apr 25, 2012
    What is the most boost to run on a small block mopar? We have felpro headgaskets with head studs and KB pistons.
     
    rick4106, Sep 18, 2013
    #1

  2. Duner

    Joined:
    Aug 6, 2004
    The total amount of boost you can run is 90% tune and only 10% parts you are using.

    You can break anything if you miss it and you can make it live for a long long time if you don't.

    I've run 18 psi of boost on plenty of occasions and have seen it spike to 21 psi in the logs.... with factory head bolts and Cometic head gaskets. It's all in the tune.

    Give it plenty of fuel with high enough octane, cool the boost charge and back off on the timing. Start off conservatively and sneak up on it a little at a time.
     
    Duner, Sep 19, 2013
    #2

  3. JariV

    Joined:
    Apr 23, 2013
    The most essential parts in the internal engine setup are the base compression ratio and camshaft overlap duration. Like said above, lots of fuel will save you from detonation and you can go on from there one step at a time. If it's a new combination then making more steps at a time is seriously a bad thing.
     
    JariV, Sep 19, 2013
    #3
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