1988 4.3 omc cobra tune up specs

[fgz]

Does anyone have the timing (at idle) and dwell specs for a 1988 OMC 4.3L?

Thanks

 

[JSMoore]

Re: 1988 4.3 omc cobra tune up specs

Point Gap - 0.019, or 37-41* dwell
Timing - 1* BTDC for 86AKI fuel or 6* BTDC for 89AKI fuel - (Whatever "AKI" means) I have mine set at 6* and burn Regular 87 Octane pump gas just fine.
Idle speed - 500-600RPM
WOT - 4200-4600(2bbl) or 4400-4800(4bbl)

Cheers!
JSMoore

 

[fgz]

Re: 1988 4.3 omc cobra tune up specs

Thank you, i had my dwell at 49. a little high i guess!

 

[a70eliminator]

Re: 1988 4.3 omc cobra tune up specs

Point Gap - 0.019, or 37-41* dwell
Timing - 1* BTDC for 86AKI fuel or 6* BTDC for 89AKI fuel - (Whatever "AKI" means) I have mine set at 6* and burn Regular 87 Octane pump gas just fine.
Idle speed - 500-600RPM
WOT - 4200-4600(2bbl) or 4400-4800(4bbl)

Cheers!
JSMoore

anti knock index AKI