at my old job at Reher-Morrison Racing engines, all we would use is Total Seal rings, from the 414 stroker SBC all the way up to the 944ci monster BBC (such a fun engine). Like its been said, they require a special style of hone and a hard hard break in. the dyno operator would hold the motor at...
with the n/a just shimmed out, it cleared at idle, but it would just barely touch once the motor got up over 5K, you could hear it hitting while making a pull, thats why i trimmed it. and now that i look at that picture, i need to repaint the blade
not sure on if its the race radiator, not sure what it is really, my friends fan tore it up, i fixed it after that. i had a factory shroud, but it was in bad shape, came loose and got torn up. i need to find a new one
edit: whichever one the radiator in the picture is, thats the one ive got
Im running a TT clutch and N/A fan blade, slightly spaced out, with the rear of the blades trimmed to clear the water neck. Also running a Koyo radiator, with absolutely no clearance issues
if you are going to start that engine on a stand, you better make damn sure that stand is
1. Sturdy
2. Braced thoroughly
if it isnt, motor will torque and flip over.
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