I'v known about thermal straightening for 20 years. When I first took the head down to the "hole in the wall" machine shop just to get it checked, we found the cam severely saddles out of alignment. His was just a small shop, and I could understand why he could not do the work. I was shocked when I ...

I have called said machine shop and notified them that I am returning the 531 head.

Hmmm, That is sooo funny! would you care to guess who sent me this head? I'll give you ONE guess.

I checked out their website, but alas, they are just out of my district...

What I cannot understand is how ANY machine shop can say they rebuild OHC heads, and have no concern for the camshaft saddles. Please, what am I missing? Is the Volvo Red Block special in that concern? Or do they just want ...

To jimmy57,
That was my biggest problem, I could not find a machine shop that would fix the head properly. No one does thermal straightening, no one will align hone the saddles. They all would just pop it in the milling machine, and have at it!. When I asked about the cam saddles being out of ...

Thank you 93Regina, that is just the information for which I was searching (although I question the conversion figures, did they use a slide rule instead of a calculator?). As to the Evolvo... I know of easier ways to clean the underside of a car, but I don't know of any way that could be more FUN ...

All thing being equal, if you did not have this problem before the replacement, then the only variable is the new part, and the installation. If you have checked the proper crank/cam/intermediate shaft position, then check the secondary re-installation items; plugs, wires, cap/rotor, vacuum lines ...

Hello,

I hope someone can give me advice, or direct me to a link, to help me with my problem. I decided to replace my head gasket when I had my engine on the stand and I am glad that I did. After examining the gasket and the surface of the head, I discovered some discoloration between #2 & #3 ...

We (hopefully) can tell the difference between an English learner with rudimentary English language skills, and a person who chooses to be lazy. If said person employs the proper effort in explaining their problem then we will employ the proper effort in providing assistance. The idiom "You reap ...

...Addendum to #3) : or a "Hot-Soak Short Circuit", the expansion causes a short circuit, reducing the resistance, thereby causing a failure.