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Re: vortec heads on a carb motor?
The tool to machine them down is only about $60 from summit and is easy to do with a 1/2 drill. It uses a pilot and cutter that follows the valve guide. Just measure the clearance to the seal and spring retainer. Make sure it is .060 more than the lift.
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Arron
79 GMC LWB, 350 Vortec "stolen"
2001 Chevrolet Suburban
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