Miata turbo forum nerds have discovered Summit Racing sell valve springs suitable for 8,500 rpm for the mx5 at a cheeky $5 each. Looks like my 8k rev limit on engine rebuild is possible without massive expenditure.
@NurseHolliday started
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Miata turbo forum nerds have discovered Summit Racing sell valve springs suitable for 8,500 rpm for the mx5 at a cheeky $5 each. Looks like my 8k rev limit on engine rebuild is possible without massive expenditure.