after a 135 rebuild?

Either way, warm it up once and then retourque the head bolts. If you don't you'll blow the head gasket.

For a deisel, most recommend working it hard but not lugging it down for a good break in. For a gas, work it but not as hard.

When I rebuilt Grandpa's Oliver 1600 Gas, I put it on the silo blower right away. Worked it pretty good too. I didn't retourque the head bolts and ended up having to replace the gasket after 10 hours.

I'd say once the hheadbolts are retourqued, go out and start using it. Don't lug it down really hard for the first 10 hours or so, but don't just putt it around either.

Donovan from Wisconsin

The advice i was given by some of the engineers off the ship i work on, and some of the guys here was let her warm up slow and easy the first time, once up to operating temp retorque the head and check valve lash. I don't think i exceeded 1000rpm for the first hour. I then just took her out on the road for a while, maybe another 3 hours or so. I bet that i had 5 hours before i put any significant load on. Varying the rpm, but i never brought it up real high till everything was warm.

Last week i bushhogged 20 acres or so, no problems to speak of, no smoke at all, and not seemingly burning any oil either, course some is coming out the blasted seal.

Hope that helps, i am sure that it would better if mine had 10o hours on it!!! Good luck.

Did you put sleaves in as well?