Not the first time I’ve heard of that with the PRC castings and one of the reasons I went with Mast instead. On an aftermarket casting that shouldn’t be happening at all, they usually have a good amount more meat in them vs stock castings.
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2017 Chevy Camaro 2SS A8 Whipple 3.0, Mast Black Label heads, Fore triple in-tank pumps, 112mm TB, LPE +52% injectors, LPE BB HPFP, 15” conversion 1059 WHP/944 WTQ, 9.48@150
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