turbo

[Rocco]

What are the torqe specs for the heads on the duce?
And my M35A2 did not come with turbo
but I added it,is there any other thing a have to change on it?
/adjust anything else because of turbo?Or put turbo on and its good.
Thanks

 

[rdixiemiller]

Rocco
I believe you retard the injection pump timing 5 degrees.

 

[red devils dude]

exhaust may need to be replaced, torque heads in four steps
1. 110ft-lb
2. 130ft-lb
3. 157ft-lb
4. 157ft-lb
it is not recommended to HOT retorque the the heads if any leaks occur most be done on COLD engine.

 

[houdel]

Check the TMs, you can find them in the TM Section, there is a specific sequence for torquing the head bolts!!!

 

[BKubu]

There are two different torque specs depending upon what motor you. Most of the newer motors are of the TD variant. I believe TD stands for Thick Deck. These require a higher torque setting than the others. If you torque a non-TD motor to the TD standard you are liable to muck things up. You can tell if you have a TD motor by examining the passenger side of the motor. If it is a TD motor, it will have a TD imprinted directly into the motor. I am hoping that someone with more knowledge can chime in here. Kenny?

 

[Recovry4x4]

100% right Bruce. More often than not, you will find the TD block. My M275A2 was formerly NA and it has the TD block.

 

[houdel]

Also, the heads are torqued to the spec torque when replaced, and should be re-torqued (once, and only once) after the engine has been run a few hours. Do NOT torque and re-torque and re-torque, too many re-torques will screw up the fire rings and you'll have to start over again with a new set of head gaskets!

 

[houdel]

Yes, "TD" stands for "thick deck", originally used only on 5 ton engines. After a while the military decided it was simpler to make all blocks "TD"s, it simplified the overhaul business as a "TD" could be rebuilt for either a 5 ton or a Deuce engine.

Also, the heads are torqued to the spec torque when replaced, and should be re-torqued (once, and only once) after the engine has been run a few hours. Do NOT torque and re-torque and re-torque, too many re-torques will screw up the fire rings and you'll have to start over again with a new set of head gaskets!