Re: Difference between Std. LS9 350 and MD LS8 350 for ‘69?
The only difference I see per the sheets I posted are that LS8 has valve rotators like the Medium Duty C40/50 engines. All the other engines do not have rotators. Looks like LS8 has a cast crank too.
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1971 Pontiac Firebird
1971 GMC C2500
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