Setting 3.0 valves..need help

[Nickdogg]

My motor is a 1990 omc 3.0 4cld Gm,can anyone tell me what the valve settings are????

 

[Bondo]

Re: Setting 3.0 valves..need help

My motor is a 1990 omc 3.0 4cld Gm,can anyone tell me what the valve settings are????

Ayuh,... Tighten to Zer0 lash, Plus 1/2 turn...

 

[CobiaXL]

Re: Setting 3.0 valves..need help

Bring piston up to TDC on compression stroke and adjust both intake and exhaust.Find zero lash by moving push rod up and down,when all play is removed,That's zero lash.Then go 1/2 turn after that.Then move to next cylinder and repeat.

 

[Nickdogg]

Re: Setting 3.0 valves..need help

Thanks guys