Hey Bowtiethe motor will be fine with a fixed set of heads on it. Like I said the compression test proved it was leaking through the valves the rings are fine, all my walls and cross hatching look great. My next motor which will be down the road since this on is still new, it will be a stroked 351 (408)
My91GTI just hope they send me my heads back fixed or the same part number9300-575 2.02 x 1.60), the motor only has 3000 miles on it and it has been less then 1 year Holley should stand behind their products. I know another guy with the Holley who had 7 bad valve guides they gave him a new set no questions asked.
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