we use old OEM liners and bore to size with a fixture replicated from John
Deere production fixtures.
OEM material is very good and equipment for boring and honing is state of the
art.
our torque plate is for sale.
we defer to Glen's methods, however, as we suspect he has control over the
variables and has great credibility.
but we cant afford to send our engines to Glen.....or we would.
Joe Alexander
A. R. E.
645 1st Street
Jesup, Iowa 50648
319.464.4711 (cell)
n197tr4@cs.com
-----Original Message-----
From: tr4racing <tr4racing@googlemail.com>
To: fubog1 <fubog1@aol.com>; johnstydo <johnstydo@gmail.com>
Cc: fot <fot@autox.team.net>
Sent: Tue, Sep 11, 2012 4:06 pm
Subject: Re: [Fot] Never be beaten by equipment
I use old liners and enlarge the to 88mm.
Gesendet mit BlackBerry von Vodafone
-----Original Message-----
From: fubog1 <fubog1@aol.com>
Date: Tue, 11 Sep 2012 16:57:01
To: <tr4racing@googlemail.com>; <johnstydo@gmail.com>
Cc: <fot@autox.team.net>
Subject: Re: [Fot] Never be beaten by equipment
87mm (3.425). I usually use BFEs LA Sleeve liners, they are pretty stout
compared to stock liners but still need a torque plate hone IMHO.
Glen
-----Original Message-----
From: tr4racing <tr4racing@googlemail.com>
To: fubog1 <fubog1@aol.com>; johnstydo <johnstydo@gmail.com>
Cc: fot <fot@autox.team.net>
Sent: Tue, Sep 11, 2012 4:46 pm
Subject: AW: Re: [Fot] Never be beaten by equipment
At what bore size?
Gesendet mit BlackBerry von Vodafone
From: fubog1 <fubog1@aol.com>
Date: Tue, 11 Sep 2012 16:45:10 -0400 (EDT)
To: <tr4racing@googlemail.com>; <johnstydo@gmail.com>
Cc: <fot@autox.team.net>
Subject: Re: [Fot] Never be beaten by equipment
Well not to start a controversy, but I have one on the bench right now,
torqued
down and ready to go, and the mics don't lie.
The liners tend to waist down around the lower register.
Glen
-----Original Message-----
From: tr4racing <tr4racing@googlemail.com>
To: fubog1 <fubog1@aol.com>; johnstydo <johnstydo@gmail.com>
Cc: fot <fot@autox.team.net>
Sent: Tue, Sep 11, 2012 4:26 pm
Subject: Re: [Fot] Never be beaten by equipment
We did a lot of testing with torque plate and we found NO difference with or
without.
Gesendet mit BlackBerry von Vodafone
-----Original Message-----
From: fubog1 <fubog1@aol.com>
Date: Tue, 11 Sep 2012 16:21:56
To: <johnstydo@gmail.com>
Cc: <mmoore@wave1.net>; <jhhasty@gdhs.com>; <tr4racing@googlemail.com>;
<fot@autox.team.net>
Subject: Re: [Fot] Never be beaten by equipment
The other point that should be mentioned is that these liners should be honed
using a torque plate.
They get out of shape once they are clamped down in place.
FWIW I use JE pistons and set them at .004, usually with coated skirts as an
added insurance policy against scuffing.
Glen
-----Original Message-----
From: John Styduhar <johnstydo@gmail.com>
To: fubog1 <fubog1@aol.com>
Cc: mmoore <mmoore@wave1.net>; jhhasty <jhhasty@gdhs.com>; tr4racing
<tr4racing@googlemail.com>; fot <fot@autox.team.net>
Sent: Tue, Sep 11, 2012 2:42 pm
Subject: Re: [Fot] Never be beaten by equipment
My math shows that MadMarx is running .005" piston to wall clearance
(.13mm/25.4
mm/inch=.005. Wiseco's suggested clearance for their forged 87mm slugs is
.004,
but others (BFE) have recommended .006, which is what my machinist is honing
to.
On Tue, Sep 11, 2012 at 1:16 PM, fubog1 <fubog1@aol.com> wrote:
I'll try this again, my reply had too much text.
The manufacturers will call out a recommended clearance, but that's all it
is.
The operating speed, temperatures, cooling systems etc all are variables.
Generally the harder it is run, the more clearance it needs.
Also pistons can scuff during warm-up, under certain conditions, so it's a
good thing to get it up to temp before flogging it hard.
Glen
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