20v(t) head on MC motor?

[Jim Green]

--- Ken Keith <auditude at neta.com> wrote:
> OK, I'm pretty sure someone here has already done
> this, or is doing this.  I seem to recall that
> someone was bolting on a 20 valve head onto a 10v
> block.  IIRC, this may require custom pistons due to
> the compression ratio of the stock combination.
>
> Can this be done?

Yes, the common consensus is NG block and pistons with
the 20v head.

> Was there a difference between AAN and 3B and the
> n/a 20v head (I forget the engine
> code for those) (okay, I looked it up, 7A)?

The cams are different, and of course the manifolds.

> I'll do some archive-diving too to see what I come
> up with.

More than enough info in there!  Try including the
year 2001 in your search, and even the past few months
since we just got done discussing this.

> How about this specific question.  Can a 3B block be
> replaced with an MC block, keeping everything else
> 3B?  Some of you know what I'm thinking.  This is
> just for curiosities sake...

No, or you will end up with a CR like my current
engine, practically non-existent.
HTH

=====
Jim Green
'89 90tq EFI
http://www.geocities.com/jeg1976/car_home.html

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