Indeed there are Glen.
Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Windows 10
________________________________
From: Fot <fot-bounces at autox.team.net> on behalf of fubog1 via Fot <fot at
autox.team.net>
Sent: Saturday, September 1, 2018 7:34:26 AM
To: rkramer56 at gmail.com
Cc: fot at autox.team.net
Subject: Re: [Fot] 89MM piston question
everybody else seems to be using 89.
HaHa not everybody, rules say 87mm, there are still a few guys running them
(and winning)...
Glen
-----Original Message-----
From: Bob Kramer via Fot <fot at autox.team.net>
To: van.mulders.marcel <van.mulders.marcel at telenet.be>
Cc: fot <fot at autox.team.net>
Sent: Fri, Aug 31, 2018 11:26 pm
Subject: Re: [Fot] 89MM piston question
I've always used 87 MM due to the rules but everybody else seems to be using
89. The procedures are the same so It'll be the same. I blew a head gasket last
time out, compression into the cooling system and blew off the bottom hose. I
guess it wasn't tight enough, and scuffed two pistons before I could shut it
down.
Bob Kramer
Bob,
It is definitely necessary to make that modification to the liners. The relieve
should correspond to the shape of the combustion chambers : about 4 mm wide on
a 89mm engine.
Marcel
________________________________
Verzonden: Donderdag 30 augustus 2018 00:05:43
Onderwerp: [Fot] 89MM piston question
Do the guys running the 89MM pistons and liners need to relieve the liners to
clear the intake valve, or does the extra MM make the difference?
Bob Kramer
On Tue,
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