[Shotimes] Re: Engine Break In (WAS: Interesting...porting
the intake)
John Weidenbenner
johnjweid@earthlink.net
Sun, 10 Aug 2003 11:36:50 -0500
It's common practice. I've even seen Ford do it!
----- Original Message -----
From: "Jim and Debbie Leyden" <jndleyden@mindspring.com>
To: "'SHOtimes'" <shotimes@autox.team.net>
Sent: Saturday, August 09, 2003 6:26 PM
Subject: RE: [Shotimes] Re: Engine Break In (WAS: Interesting...porting the
intake)
> Although I can't speak for other manufacturers, I can attest to the fact
> that new Chevrolet engines are only run about 1 minute before being
stuffed
> into a car. There is no break-in running. After the engine comes off the
> assembly line it is put on a running stand on a carousel, all of the
> electrical and cooling are hooked up. There is a computer monitor at each
> stand and the motor is cranked while the ignition timing is set. As soon
as
> the motor starts and it is confirmed that it runs correctly it is shut
down
> and taken off the carousel and put into a crate for shipment to the
assembly
> line. That is the extent of the engines break in until the finished car
is
> driven off the line. If the engine doesn't start on the first trip around
> the carousel they let it go around one more time trying to figure out why.
> If it hasn't started at the end of the second revolution the motor is
taken
> off to be dismantled to find out why.
>
> I'm sure every manufacturer does pretty much the same thing.
>
> Jim
> '93 MTX
>
>
>
> -----Original Message-----
> From: shotimes-admin@autox.team.net
> [mailto:shotimes-admin@autox.team.net]On Behalf Of John Weidenbenner
> Sent: Saturday, August 09, 2003 7:07 PM
> To: Ron Porter; 'SHOtimes'
> Subject: Re: [Shotimes] Re: Engine Break In (WAS: Interesting...porting
> the intake)
>
>
> If improved ring sealing really does happen with this procedure then the
> auto manufactures should be able to devise an at the factory procedure
that
> will provide the same results. The improved performance, i.e. better
> compression or whatever, should also boost fuel mileage and lower
emissions.
> I can't beileve that the manufacturers would not take advantage of that!
>
> John W.
>
> ----- Original Message -----
> From: "Ron Porter" <ronporter@prodigy.net>
> To: "'John Weidenbenner'" <johnjweid@earthlink.net>; "'SHOtimes'"
> <shotimes@autox.team.net>
> Sent: Saturday, August 09, 2003 10:45 AM
> Subject: RE: [Shotimes] Re: Engine Break In (WAS: Interesting...porting
the
> intake)
>
>
> Too many variables for owners to follow, and it encourages driving that is
> not the "norm", hence liability issues. Also, I doubt they really care
> whether someone gets the last few HP out of their engine, since most of
the
> driving population never gets beyond 1/2 throttle, anyway.
>
> Ron Porter
>
> -----Original Message-----
> From: shotimes-admin@autox.team.net [mailto:shotimes-admin@autox.team.net]
> On Behalf Of John Weidenbenner
> Sent: Saturday, August 09, 2003 11:04 AM
> To: SHOtimes
> Subject: Re: [Shotimes] Re: Engine Break In (WAS: Interesting...porting
the
> intake)
>
>
> It's in the message below.
>
> I wonder why the auto manufactures do not recommend this simple secret to
> ring
> sealing?
>
> John W.
> ----- Original Message -----
> From: John Weidenbenner
> To: Ron Childs ; Chris Zap ; SHOtimes
> Sent: Wednesday, August 06, 2003 6:45 PM
> Subject: Re: [Shotimes] Re: Engine Break In (WAS: Interesting...porting
> the
> intake)
>
>
> I don't understand what those photos mean? A scientific report, not an
> infomercial. Isn't he trying to sell a magazine?
>
> John W.
> ----- Original Message -----
> From: Ron Childs
> To: John Weidenbenner ; Chris Zap ; SHOtimes
> Sent: Wednesday, August 06, 2003 11:30 AM
> Subject: Re: [Shotimes] Re: Engine Break In (WAS:
Interesting...porting
> the intake)
>
>
> They presented pictures of pistons/rings that were treated equally
> except
> for the different break-in methods. What kind of proof would you be
looking
> for?
>
> -Ron Childs
>
>
> John Weidenbenner <johnjweid@earthlink.net> wrote:
> The motortune guy offers no proof of his theory. I consider it only
an
> opioion without any scientific proof. The atricle is worthless.
>
> John W.
>
> ----- Original Message -----
> From: "Chris "Zap""
>
>
> > http://www.mototuneusa.com/break_in_secrets.htm
> >
> > Saw this a while ago.... very interesting article on break in for
> engines
> of
> > all kinds!
> >
> > ~Chris
> > ----- Original Message -----
> > From: "John Weidenbenner"
> >
> > > What difference does that make? Looser bearings? More or less
> > > sealing/friction of the piston rings? "Bedding" in the engine
> block
> (like
> > > making the brakes work "better")?
> > >
> > > John W.
> > > ----- Original Message -----
> > > From: "Paul Nimz"
> > >
> > > > I think it is in how the motor is broke in.
> > > >
> > > > Paul Nimz
> > > _______________________________________________
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