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Fw: 1275 questions: Stock pistons with a Judson? Cylinder sleeves?

To: <spridgets@autox.team.net>
Subject: Fw: 1275 questions: Stock pistons with a Judson? Cylinder sleeves?
Date: Wed, 25 Jul 2001 14:47:30 -0000
i decided to forward my answer to the list.  possibly someone can shed some
light on my ramblings here or benifit from my ramblings?

chuck.

----- Original Message -----
From Charles Christ <cfchrist at earthlink.net>
To: <SDOliner@aol.com>
Sent: Wednesday, July 25, 2001 2:45 PM
Subject: Re: 1275 questions: Stock pistons with a Judson? Cylinder sleeves?


> to the best ofmy knowledge, none of the BLMC "A" series blocks had sleves.
> i would say you posess an engine for what ever reasons, was rebuilt.
during
> that rebuild it was determined by whom-ever that the sleves were needed to
> keep it serviceable...or they wanted to keep it a specific bore and it was
> worn beyond that specification.   are all 4 bores sleved?  if not it
> problaly had a wrist pin come loose and score the cylinder .  that would
be
> an easy and cheap fix to sleve a cylinder or two and install replacement
> pistins in only those bores.  there is not a thing wrong with sleves if
> properly installed.
> now pitting on the lifters?  pitting on the contact area where the cam
lobe
> contacts the lifter?  along with new lifters i would strongly reccomend a
> new cam.  the lifters that were pitted could be indicating that the cam is
> also worn.  if the cam has begun to wear it will continue to wear giving
> troubles down the road.
> as far as the judson is concerned?  it will look neat, but be rather
boring.
> the judson was not designed to be installed on a 1275.  the anount of air
> the judson is designed to compress into a spridget engine is plenty for a
> 948 marginal for a 1098 but somwhat useless on a 1275.  if you do choose
to
> install it , thre compression ration of the stock 1275 pistons will be
just
> fine!  just do not expect any great improvement in performance from it's
> installation.  it will be more for asthetics than performance.  and with
> what a judson is worth, you could spend that money on machine work and a
> good cam , and probably come out at the end with some cash left in hand
and
> have a far better performing engine with a higher reliability factor than
> with the judson.
> the final secision is up to you but in order to make the judson work on
the
> 1275 you would have to have a diffrent drive ratio than stock to allow
more
> air to be stuffed into the engine .   this will make the judson effective
on
> the larger cc motor, but may effectivly raise the rotating speed of the
> judson's rotors beyond the reliable range designed by judson.   so you may
> be able to modify the judson drive to induct enough air to feed the 1275
you
> could be concievably be dropping the reliability of the unit.  feeling
like
> experimenting?  this is just my initial reaction to the whole idea.  i'm
> open to ideas that may nake it a reality but i think you are opening a can
> of worms .  unless you own a machine shop or have a real good friend that
> wil make you parts for near free it will end up a very expensive and a bit
> disappointing effort.   but!  evrything is possible!  and there is no
> replacement for cubic dollars!
>
> chuck.
> ask the guy who makes the stuff people can not buy.............   c.  :)
>
> ----- Original Message -----
> From: <SDOliner@aol.com>
> To: <spridgets@autox.team.net>
> Sent: Wednesday, July 25, 2001 4:07 PM
> Subject: 1275 questions: Stock pistons with a Judson? Cylinder sleeves?
>
>
> > The 1275 engine which I bought out of the back of a barn (for $300),
came
> > apart surpassing clean. (Oh by the way that front pulley bolt was a
bitch,
> my
> > compliments to anyone who can get that off with the engine inside the
> car.)
> > No scores on the crankshaft, cylinders, camshaft. Just a little pitting
on
> > the lifters. So, it looks like I am not going to buy new pistons, or
bore
> out
> > the block.  My plan is to bolt on a Judson Supercharger. The guy at the
> > machine shop wants to know if I can do this using the "stock" pistons.
He
> > thinks I may have to lower the compression ratio.
> > What was the original compression ratio?
> >
> > Second question: This engine has cylinder sleeves. Is this normal or
were
> > these put in to solve a problem?
> >
> > David Oliner
> > 60 Bugeye
> > 67 TR 4A



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