Watch this.

 

I've watched a bunch of this guy's vids. Good info. I want that torque wrench! $500+ is a bit steep though.

Here is some info from night rider. You didn't mention what gaskets you are using. I used cometic gaskets and they had their own torque specs that were a bit different from Harley. You might want to think about that.

http://www.nightrider.com/biketech/hdheadtorquevalues.htm

 

I never did buy into this program....but I guess it's what HD recommended.
Many thanks, Tom D.

This is a very common process used for torquing fasteners, because the friction of the threads can make torque readings vary quite a bit at higher torques.

That`s the reason for measuring the torque at a low reading, then turning the fastener a specific number of degrees.

It`s the method we use when torquing the tie rods that hold compressor disks and turbine disks together in jet engines.

Now the vinegar...

You`re doing this from memory, without a service manual?

Spend the money on the manual, then ask questions if you need help... we didn`t buy our manuals so you could save a buck....

 

Buy a service manual.


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Buying a service manual is a "must do" for the harley mechanic, whether it's a home mechanic or a shop mechanic. BUT, if you are using non stock aftermarket head gaskets, then you need to follow the manufactures' instructions for their torque sequence. They are not the same.

 

Yep....either way you have the correct settings to use.


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Got the manual.......the process was within (of course). I did read it.....and actually ended up going with what seemed to be a bit more 'desirable' method according to most of the info I could find on the subject...which was just go in increments of 10 foot pounds and start at 10, then go 20, 30, and 42 to 44 foot pounds for the final round. Actually, the job is now 'done'....and the engine has been cycled a couple of times. No apparent gasket or seal problems anywhere, although it DOES have some valve noise that seems excessive. Going to try some further 'adjusting' on the push rods and see if we can't minimize that problem some. Other than that....bike seems wonderful now! Tom D.

 

EVO head bolts don't have a final torque specification... If the proper EVO head bolt tightening process is not followed, head gasket failure may well happen...

 

On the contrary...If you are using James base gaskets, then you should follow their instructional sequence for tightening the head bolts. And the final torque specification is 38-42 lbs! And if you are using the screaming eagle multi-layered steel head gaskets, you should use the same sequence, otherwise, and I agree with you, head gasket failure may happen.:beer4u: