i have installed a pair of TPIS prepared afr heads ane they werent that wonderfull.. they changed the plug angle and the weld plug came out of one of the old plug holes.. when i sent pictures they claimed to eb able to see from the tan color of the combustion chambers that the timomg was wrong so they refused to exchange them.. so ill never buy AFR again...
the issues with your motor sounds like the ring fit was off or the bores were too smooth... and perhaps he neglected to grease the rear seal prior to instalation..
anyway, good luck with the rebuild
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Elwood:We're 105 miles from Chicago, we have a full tank of gas, half pack of cigarettes, it's dark out and we're wearing sunglasses.
Jake: Hit it.
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