PRHeads's latest activity
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I think these will qualify as collapsed I think. The game has been broken in for quite some time. The engine probably has 200 hours. I... -
PRHeads replied to the thread Lifter replacement.If the heads you have will allow you to see the top of the lifters, see if the plunger retaining clips are still in place. I’ve seen it...
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PRHeads replied to the thread Lifter replacement.It’s extremely unlikely to have lifters that show visible damage, and not have the cam needing replacement. If the current cam is a...
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PRHeads replied to the thread b block manifold P 487 6337.Fits non-raised port MW heads on an RB block. Has cast in valley cover……..4150 carb pad.
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Finally got nice weather, got the shifter welded in place (my hotrod isn't thermally protected from the winter...yet). Anyway, bleed...
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PRHeads replied to the thread Lifter tick on fresh build.Reportedly, the tick is only on start up. More preload would take less time for the lifter to pump back up after the motor has sat and...
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PRHeads replied to the thread What happens if you don't get hardened seats.....I like to use seats with the ID sized close to the bowl diameter of the head they’re going in……
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PRHeads replied to the thread Lifter tick on fresh build.Id try more preload……… like 1-1/2 turns from zero.
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PRHeads replied to the thread What happens if you don't get hardened seats.....Of course, not all machine shops provide the same level of work, and I’ve seen plenty of ex seat installations that weren’t great...
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PRHeads replied to the thread What happens if you don't get hardened seats.....In the grand scheme of things, installing hardened ex seats is a pretty small add-on to the price of rebuilding an engine. I’ve had...
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PRHeads replied to the thread My New Combustion Containment Devices (PROMAXX) opinions &----.As for valve to bore clearance………I’ve actually seen it where the 1.81 exhaust valve is the bigger offender than the 2.14 intake valve on...
