This spring I will be upgrading my entirely stock 4.3 Merc. Seems like everyone and their mother who has a 4.3 has done this specific upgrade, but I can't find anything that answers this specifically.
What I currently have:
1990 Mercruiser 4.3L
2 BBL Mercarb
Non-balance shaft
Non-vortec
Open cooling
Fresh water use
What I am upgrading:
Edelbrock 1409 4 BBL Performer 600 CFM carb
Edelbrock 1485 carb calibration kit
Edelbrock 2114 Performer intake
Used/Rebuilt 8 bolt Vortec heads from Ebay
My question:
Is my current valve train sufficient/safe for the Vortec swap? Specifically, will I be OK with my current pushrods and rocker arms? Will the Vortec valves/springs/combustion chamber cause any issues? I assume my current rockers are stock Mercruiser PN 35329. I am unsure of the ratio.
Anything in general I may be forgetting?
Thanks for any help
What I currently have:
1990 Mercruiser 4.3L
2 BBL Mercarb
Non-balance shaft
Non-vortec
Open cooling
Fresh water use
What I am upgrading:
Edelbrock 1409 4 BBL Performer 600 CFM carb
Edelbrock 1485 carb calibration kit
Edelbrock 2114 Performer intake
Used/Rebuilt 8 bolt Vortec heads from Ebay
My question:
Is my current valve train sufficient/safe for the Vortec swap? Specifically, will I be OK with my current pushrods and rocker arms? Will the Vortec valves/springs/combustion chamber cause any issues? I assume my current rockers are stock Mercruiser PN 35329. I am unsure of the ratio.
Anything in general I may be forgetting?
Thanks for any help