Re: mercruiser 4cyl head torque sequence

[eddoerr54]

Re: mercruiser 4cyl head torque sequence

I have a 1985 470 open deck replacing head what is the torque and pattern also what are the valves torqued too

 

[alldodge]

Re: mercruiser 4cyl head torque sequence

Re: mercruiser 4cyl head torque sequence

This link from DonS will get you started but we will need your serial number.

http://forums.iboats.com/mercruiser...rcruiser-3-7-470-head-bolt-torque-281435.html

and welcome aboard

 

[Bt Doctur]

Re: mercruiser 4cyl head torque sequence

Re: mercruiser 4cyl head torque sequence

Rockers 20Ft/Lbs

 

[stonyloam]

Re: mercruiser 4cyl head torque sequence

Re: mercruiser 4cyl head torque sequence

Section 3A here will tell you all you need to know, BTW Permatex (NAPA) aviation sealant is a good substitute for Perfect seal.:Boatinfo - Mercruiser Service Manual nr. 8 - 1985-1989 - Mercury Marine 4 Cylinder Engines Follow the instructions EXACTLY!