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Path: utzoo!watmath!clyde!burl!ulysses!mhuxr!ihnp4!zehntel!dual!unisoft!mtxinu!rtech!shelby
From: shelby@rtech.ARPA (Shelby Thornton)
Newsgroups: net.auto
Subject: Re: Rebuild advice wanted!
Message-ID: <112@rtech.ARPA>
Date: Thu, 24-Jan-85 16:49:10 EST
Article-I.D.: rtech.112
Posted: Thu Jan 24 16:49:10 1985
Date-Received: Sun, 27-Jan-85 04:27:12 EST
References: <1749@zehntel.UUCP>
Organization: Relational Technology, Berkeley CA
Lines: 56

> 
> 	super valve guides for no lead gas
> 	dykes type top piston ring
> 	oil cooler
> 	heavy duty radiator
> 

I've never really tried to get more horsepower without sacrificing
engine life or gas mileage, but I'll try to give you a few suggestions
that I would expect to work (I've been street and bracket racing
for many years, so I am knowledgable on the subject of horsepower).

First, I would recommend using a single moly top ring over the Dykes (I
assume your reference is to the full circle top ring).  The Dykes will
increase compression and therefore require you to run an octane boost or 
cut engine life through knocking and pinging.  The single moly will give
a good seal but will not wear on the cylinder like a chrome ring.

As for valve guides, I've never heard of "super valve guides", so I don't
know how well they work, but I've had the best luck using bronze guides with
teflon seals.

The oil cooler is a great idea, especially for W.C. in the summer (I live
on N. Civic in W.C.).  The heavy duty radiator is nice but it's really an
unnecessary expense.

As for other suggestions, I would recommend an Edelbrock Torker style manifold,
approx. 150 new, for induction.  It's gives much better low end and mid-range
throttle response than the stocker.

Also, the Magnum series cams from Comp Cams, are very good for most street
applications.  There are several for your application.  I don't know which
would give you the best horsepower/mileage trade-off.

For engine life, I would suggest using cast pistons over forged.  Forged
tend to have greater heat expansion and therefore wear out the cylinders
quicker (however they are stronger).

There are two things that are considered "free" horsepower.  Headers are one,
balancing the engine assembly is the other.

As for a reputable engine builder,  Tim Morgan of Morgan's Machine and Marine
has done some work for me and I have been quite satisfied.  His shop is very
clean and he's been around for many years (he is very knowledgable about parts
for a given application).  He's been a speed boat racer (Blown KB Hemis) for
many years and has even gone as far as making is own aluminum hemi head
castings.  He's off Main St. on Parkside Dr. in Walnut Creek.

As a last "suggestion", it seems that leaving off smog equipment, except for
PCV, noticably increases performance.  Now I don't want to advocate leaving
off smog devices, but...

Good Luck with your project.

				Shelby Thornton
				ucbvax!mtxinu!rtech!shelby