Volvo 4V Head on 2.3?

I've been following this for a while now in a yahoo group at http://autos.groups.yahoo.com/group/2300-16V/ Tons of great info!

Checkout this thread inparticular!
--- phils88gt <punk5672@c...> wrote:
> there are a few running engines, but no one really has
> specified if they are stable enough to be a daily driver.

Yes, both of the two that I know of are running as daily
drivers and are running just fine. The only issue that was
brought up is the head needs to be heat or/and/both cryo
treated. Without heat or/and/both cryo treating it will cause
the head gasket to leak. Just what we were told. Always good
cheap insurance anyway.

> necesitates blocking the center oil return, has anyone had a
> problem with this?

No. There's too much oil up there anyway. The flow needs to be
restricted to the head. It's in the summary in the files. You
can drill another oil drinback if you want to but there is no
need to, once the oil is restricted and sent to the Volvo
head.

OK, here's some hp and ft/tq numbers: If the owners want to
accept or deny them they are more than welcome too. I've heard
these numbers from Florida all the way to New York and out as
far as Ohio. I'm not giving the names... but if the two
individuals want to give them I would most appreciate it...
I know who you are and I've tried to contact you both by
phone... Can't take it any longer, got to at least post the
numbers. Just too many people wanting to see some numbers.

360 hp/340 ft.tq. @ 12 psi at 5500 rpm.
409 hp/320 ft.tq. @ 20 psi

Both conversion were done by two different shops. Both are
running SDS. Both are using stock valves. The difference in
the numbers spread could be just about anything from cam
timing, turbo size or placement. Intake or exhaust manifold
design. SDS set-up. Who knows, but these are the numbers as I
have now received them from four separate and reputable
sources.

According to Rick Byrnes; who I spoke with about two weeks
ago:
He's "not surprised by those numbers" and he wants to
"congratulate those two individuals for sticking with it and
following through on a well thought out idea." Also according
to Rick, back when Jack Roush did the 16 valve head for his
cars. When Jack replaced the fully tweaked out Esslinger race
head with the new 16 valve head, "Jack gained 100 hp right off
the bat." I told Rick I was amazed at these two guys getting a
100+ percent gain in power over the stock head with very
little extra modification other than just swapping out the
head and Rick said, it's pretty much what he expected us to
get and "those numbers were in no way out of the question."
Even without the larger valve replacement, better fuel
management, top of the line custom intake and exhaust
manifold.

BTW, I'm now back reconsidering/replanning the bottom end of
my block for durability. Going to have to do some more
strengthening. Without it the block will most likely be coming
apart around 600-650 hp. At least that's what I keep hearing.

Gotta go,

=====
David L. Brumbeloe, Jr.
"dbrumbeloejr@t..."
"merk_23@y..."
"merk_23@h..."


Interesting to say the least!
fess40

I use to follow the Yahoo groups on that stuff but got hooked on TF and SN Those guys really know there cars for sure I figure I would use a Esslinger head if I wanted to get a little crazy since I don't have the machining capabilities to make a Volvo head work

someone needs to finish this pain staking modification proccess so i can freely benifit from there time spent. I mean, Good job guys keep up the work!