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James the III · 02-28-2017, 04:20 AM

I am wondering if your failure was from incorrect parts..
Edelbrook "marine" heads would not be set up for high rpm.. and fast rpm changes(shifts) as a marine engine is loaded and no transmission..
not many marine engines humming past 5000rpm.
The valves included would be more for long hour run time under high loads not, high rpm..

02-28-2017, 04:20 AM	#72
James the III Registered User Join Date: Nov 2016 Location: lowell ma Posts: 750	Re: If you like destruction - I am wondering if your failure was from incorrect parts.. Edelbrook "marine" heads would not be set up for high rpm.. and fast rpm changes(shifts) as a marine engine is loaded and no transmission.. not many marine engines humming past 5000rpm. The valves included would be more for long hour run time under high loads not, high rpm..