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Re: [6pack] Performance Research Industries

To: "'Dave'" <dave@ranteer.com>, <6pack@autox.team.net>
Subject: Re: [6pack] Performance Research Industries
From: "Andrew Uprichard" <auprichard@uprichard.net>
Date: Wed, 28 Nov 2012 17:53:28 -0500
Delivered-to: mharc@autox.team.net
Delivered-to: 6pack@autox.team.net
References: <012401cdcdae$5438e1f0$fcaaa5d0$@biz><1354138630.13181.YahooMailClassic@web142705.mail.bf1.yahoo.com> <015401cdcdb7$273b2830$75b17890$@biz> <F636ACADB93F4F49A87D6DEEEBF71523@Datsun>
Thread-index: AQH9kniHs1UXaYzQSiDNNC1ogZ/vlwJpPH8HAaDZibICApNCJZdv645g
Await an upcoming article in 6-Pack, but I secured 160bhp at the wheels in
my TR250 with what Dave describes below.  And Brian can get it for less than
$8000 starting where he is now.

Andrew Uprichard

-----Original Message-----
From: 6pack-bounces@autox.team.net [mailto:6pack-bounces@autox.team.net] On
Behalf Of Dave
Sent: Wednesday, November 28, 2012 5:43 PM
To: 6pack@autox.team.net
Subject: Re: [6pack] Performance Research Industries

I would suspect that triple webers and a mild (or wild) cam will get you
most of that way for less money.  I have the ZS triple carbs, mild cam,
lightened flywheel, shaved, polished, ported head, decked block,
rebuilt/recurved dizzy, petronix, and a few other bits.  I was dyno'd about
100 at the wheels.

don't forget to upgrade the suspension and especially the brakes!

-----Original Message-----
From: brian@asmoothmove.biz
Sent: Wednesday, November 28, 2012 4:24 PM
To: 'Jim Jones' ; 6pack@autox.team.net
Subject: Re: [6pack] Performance Research Industries

Yah they want just about $8,000 for the engine I want. I am torn between
supercharging and this. The problem I have is that I can't seem to find a
definitive "formula" to put together my own engine with the Moss
supercharger, i.e. which cam to use, compression ratio, porting, header,
etc. If there was a book on the matter I'd buy it (I do have the Kastner
gem). I have a low-mileage rebuild with good compression and a 10.1:1 head
currently so the head would have to go if I supercharged it. I have no
problem tearing into it if I knew where I was going with it. I don't want to
just hang parts on the thing as that leads to disappointment.


Thanks for your help,



Brian



From: Jim Jones [mailto:jimjcmo@yahoo.com]
Sent: Wednesday, November 28, 2012 3:37 PM
To: brian@asmoothmove.biz
Subject: Re: [6pack] Performance Research Industries




If your motor is in good shape (compression, head, etc.) it would probably
be cheaper and easier to bolt on a Moss Supercharger kit. The blower will
make more a difference at the speeds we normally drive. If you're going
autocross or race that may not be the case. Building up a motor without
forced induction can be rather expen$ive.

I had a Moss kit on my old 72 Six. It really pulled hard!

Jim

--- On Wed, 11/28/12, brian@asmoothmove.biz <brian@asmoothmove.biz> wrote:


From: brian@asmoothmove.biz <brian@asmoothmove.biz>
Subject: [6pack] Performance Research Industries
To: 6pack@autox.team.net
Date: Wednesday, November 28, 2012, 3:21 PM

Does anyone on the net have first-hand experience working with Performance
Research Industries (PRI) out of Oregon? They have some natural aspirated -6
engine build-ups that look very interesting and are indicating upwards of
160HP.

Thanks,

Brian

Brian J. Alwin
1972 TR-6 CC79085
Rochester, Minnesota 

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