Quote:
Originally Posted by WayFast84
Is it possible I have the valve guides ground down with the heads on the car?
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Nope. grinding down the guides literally involves grinding them down which causes a lot of metal shavings... As for 12's you should be able to do that by accident with any 400ci motor with Vortec heads and a cam with more than 210 @ 050 duration.
For as long as I can remember you've been talking about this Vortec headed 400. Has it ever made it down the track? No offense here, but maybe you should take it to someone that knows what they're doing before dumping any more parts into it?