Jakub Varga's latest activity
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Jakub Varga replied to the thread 440 TNT rebuild.What brand lifters do you guys recommend to use with Comp 268/280 Lift .477/.480? Reading many horror stories about wiped cam lobes... -
911-16 are fine for cams below .500 lobe Lift. 925-16 is the comp cams double spring. I beliefe 440Source is using a different Brand...
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comp 911-16 are not really double springs. they have a damper just like the factory put in their higher performance engines. 911 should...
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The higher the open pressure, the more likely to wear the cam lobes. Is another 65lbs significant? I don't know. But I wouldn't run any...
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Jakub Varga replied to the thread 440 TNT rebuild.On 440source website they are stating that Comp cam .477/.480 (CL21-223-4) uses single valve spring but CompCams states double spring...
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For Stealth aluminium head you would use an MLS gasket.
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There's no quench pad on an open chamber head? My understanding of quench is the 'smash distance' between piston top and the mating...
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no figures are in stone. every block even side to side or from front to back, pin height and rod lengths vary.
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You can use steel shim gasket as the factory or MLS makes thin gaskets. They cost a bit more than the standard felpro rebuilder gaskets...
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close chamber heads are the way to go if you want the right deck height and compression. otherwise you would need dome pistons or step...
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Jakub Varga replied to the thread 440 TNT rebuild.Assuming using L2355F30 with 2.061 CH and head gasket from Source with .051 compressed thickness to get the quench of .040 the deck has...
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pin height is 1.991 for 65-67 so the most it could be is .091 in the hole. the 1967 engines I tore apart were at 75-85 thousand in the...
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lets say if you have zero deck height and .039 gasket what is your quench difference between a closed or open chamber head. both would...
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Aluminum heads permit more compression to compensate for the heat loss due to aluminum having higher thermal conductivity (IIRC they can...
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FWIW, my calculator says a 440 with .030" overbore, std deck, and 1.99" CH, the piston will be .100" down. @67_300_Convertible...
