[Shotimes] Power adder discussion (I went really OT)
Mike.Wojton@us.o-i.com
Mike.Wojton@us.o-i.com
Wed, 1 Oct 2003 16:34:55 -0400
That's what I thought too. And that's what I was going to put in my
truck.
Until I got a bug up my arse for a big block. A 454 with a 6-71 might
just
sound sweeter!
Mike Wojton
Toledo, Ohio
-'95 Green MTX 3/01-1/03
ShoShop y-pipe
-'95 White MTX
'96 Brake Upgrade
Injection is nice but I'd rather be blown.
shotimes-admin@autox.team.net wrote on 10/01/2003 03:17:08 PM:
> We've built a lot of Pro street cars with 383/ 6-71 combo. The last one
I
> was involved with building dropped a valve at 4 grand. :-)
>
> Time restraint has stopped me from continuing to play with the hot rods,
but
> I still go to the club meets and look at the finished products. The
sound
> of a 383 with a 6-71 coming over the roof of the car is a beautiful. I
got
> my start in cars with small block chebbies.
>
> Does anyone really care? :-)
>
> Midwest SHO
> www.midwestsho.com
> Sales@Midwestsho.com
> ----- Original Message -----
> From: <Mike.Wojton@us.o-i.com>
> To: <shotimes@autox.team.net>
> Sent: Wednesday, October 01, 2003 1:25 PM
> Subject: Re: [Shotimes] Power adder discussion
>
>
> > You're correct, the 14-71 and 16-71 were not GMC blowers. They are
> > aftermarket cases made by someone else, and don't correspond to any
> > engine displacement designations. They are just bigger and bigger
yet!
> > As I understand it, original cases are getting pretty hard to come by,
> > and companies like BDS and B&M are getting new castings made for
> > the "traditional style" blowers. Littlefield made/makes a 10-71 size
> > which is really just bigger displacement than the 4's and 6's. There
> > was an 8-71 size that came from Detroit, I thought, but it was never
> > on an 8 cylinder engine. Just bigger than the 6. Any case bigger
than
> > a 6 would be tough to put on a street car, as it's just too long, and
> > there's
> > not much room left for the distributor and firewall clearance.
> >
> >
> > Mike Wojton
> > Toledo, Ohio
> >
> > -'95 Green MTX 3/01-1/03
> > ShoShop y-pipe
> >
> > -'95 White MTX
> > '96 Brake Upgrade
> >
> > Injection is nice but I'd rather be blown.
> >
> >
> >
> > shotimes-admin@autox.team.net wrote on 10/01/2003 01:22:34 PM:
> >
> > > Yes. They are the one and the same. An interesting (and OT!) story
> > too.
> > > Detroit Diesel is what's left of the GM Diesel Division started in
1937.
> > Gm
> > > had a break though design of a 2 cycle diesel that really took off.
So
> > GM
> > > created a separate division for it. In the 50's GM came out with the
53
> > and
> > > 71 series diesels. These numbers stand for the cubic inch
displacement
> > of 1
> > > cylinder. So if you had a 6-71 GMC. This was a 6 cylinder displacing
> > (6X71)
> > > 426 cubic inches. These 2 stroke diesels really take to
supercharging
> > well
> > > and GM made a ton of supercharged models. About that time ( Late
50's)
> > drag
> > > racing was getting very hot in southern California. I don't have the
> > names
> > > and dates of who thought of this first but the GMC diesel Roots type
> > > supercharger was adapted to a gas V-8 and run by a belt. Not a whole
lot
> > has
> > > changed in 40 years! So even today all the roots blowers in top
fuel,
> > ECT
> > > are sized by the same GM numbering system used in 1957. I see now
where
> > they
> > > are running 14-71 and 16-71 blowers. I don't think GM ever made any
in
> > these
> > > sizes at all but the aftermarket has completely taken over the
> > manufacture
> > > of blowers. Like the aftermarket for custom Harley engines. Not one
> > piece
> > > is made by Harley but they all interchange. You probably had a old
4-71
> > or
> > > 6-71 these were the most common. The 53 size blowers did not get
used
> > much
> > > if ever.
> > > Anyway the kicker I guess is that Detroit Diesel is now owned
> > completely as
> > > of 2000 by DaimlerChrysler.
> > > .
> > > .
> > >
> > > > The typical supercharger used on drag cars in the 50's and
> > > > 60's was the GMC supercharger, and to the best of my memory,
> > > > it was not on a diesel engine.
> > > >
> > > > I had one in my garage for a long time that my brother in
> > > > law got to put on his 57 Chevy, but it never made it. Many
> > > > years later when my father tore that garage down to make way
> > > > for a new one, he didn't tell me and threw away the
> > > > supercharger, and a good 327 block, he also gave away all my
> > > > pedal cars to the guy that tore the garage down. Those are
> > > > worth something today!
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