>From what the hardcastle books say, the four bolts got away from the
problem of the opposite side from the fifth bolt getting lifted up and
having possible sealing problems. If I remember correctly, there was
also some version with a full six bolts arround each cylinder. An older
american car if I remember correctly. Don't quote me though...
Dan Carrington
Greg Williams wrote:
>
> Thats true. There are only 4 bolts around each cylinder on the new
> blocks as opposed to five on the old ones. From what I've learned,
> however, this is not a problem. I am also told that the old heads
> have more combustion chamber volume than the new ones, so if using old
> heads on the new block, you lose some compression if you don't shave
> them.
>
> Greg
>
> Subject: Re: Re[5]: Performance Questions
> Author: KC14479@aol.com at inetmail
> Date: 9/2/98 9:20 PM
>
> Do older heads really fit the new cross-bolt blocks? Seem to recall something
> about not as many head bolts on these new ones.
|