Recent content by cookietruck

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    Purple 340 cam

    That Lunati cam is actually an Ultradyne cam profile. I have one I plan to put in a 360 with some IMM xheads but haven’t gotten started on the motor yet.
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    This guy was messaging me over the weekend

    Agreed. Ok, now ready for someone to come in talking about MUSA.
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    387” W2 Stroker, What should I upgrade next?

    What’s the setup on the heads? Valve size? Ported? Chamber volume?
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    13 sec. 360 for $3,000?

    If it’s a low miles short block i would rering it and wait for black friday for some speedmaster heads.
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    Street 360 W/.528" P.S. Cam

    What would happen if one were able to add a half point of compression when they swapped a cam from 108 to 112 lsa? Or swapped cams with 108 vs 112 lsa but both were installed at 108 or 106… There are so many damn variables. Seems one could get get quite similar power curves and maybe get some...
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    Street 360 W/.528" P.S. Cam

    looking on summit, the basic rpm range for this cam is 2800-7000. Winder why this motor has peak hp at 5500rpm even with a single plane intake…
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    Highest flowing sbm heads?

    And maybe speedmaster could cast them without all the porosity issues the W5 are notorious for…
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    2.02 or 2.05 Intake Valve?

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    2.02 or 2.05 Intake Valve?

    IMM just posted a dyno run of a SB stroker with TF heads. I think it was an RPM i take and the cam sounded mild. 528hp i think it was…
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    Port my current M1 single plane or install the RPM Air Gap?

    There is an old article dulcich did for intake manifolds. I think it was a roughly 450hp 360. The rpm airgap did about 25lb tq better than the single planes around 3-4k rpm and had the same hp until almost 6k rpm. After that the single plane was a little better.
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    340 stroker 422

    What head gasket thickness? Did you say the pistons were .010” down?
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    340 stroker 422

    I just used the diamond pistons calculator 6cc piston dish. .240” top ring down. 4.18 gasket bore. Piston .010 down and yr 67.5cc chamber. 11.1 with a .040” gasket 10.8 with a .050 gasket
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    340 stroker 422

    If straight up on yr timing set gets you 102 ICL, then yes, retard it 6* for a 108 ICL.
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    340 stroker 422

    Given the location. And their 98 ron is similar to 93 in the US right? If no option for parts swaps. I would run the numbers on 106 and 108 installed centerline with that cam and a .050” gasket (still utilize quench properties). Double check all the measurements to be sure on compression. But...
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    Stainless, Bushed PRW Rocker Arms

    I posted some pics of the prw rockers oiling passages in another thread. Forget which one though.
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