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I got a spare SR20 bent cam head for spares hardware shims rocker lifters etc
the head was scrap (I knew that and why it so cheap) as each plug hole has cracks from the plug holes spreading across the chambers
Story goes that my head cracked because the ignition amp go too hot and melted
and the plugs went into hyper spark mode (or something really weird happened)
the cracks are really deep and its not repairable as there will multiple cracks you can't see, the cracks can spread through the plug hole threads to the plug seat
Severe overheating will cause the cracks as well,either case its scrap
I know SR bits are dearer in the US but repair costs would far exceed another head imo
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