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+--- Thread: Pac brake (/showthread.php?tid=1049)
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Pac brake - kingmtpg - 06-22-2007 15:19
I know I have seen the answer to this but I can't find it. Is the
3208/Allison MT 643 and Pac Brake a good combination? Thanks in
advance. New Guy Brad Bloxham 78 35' Idaho Falls.
Pac brake - Richard Hayden - 06-22-2007 16:21
Ya know when I had the '81FC with the same power and tranny as yours I wondered
the same thing. The people that sell Pac Brake said sure. But, I talked to
several Cat people about it at different rallies and they all said about the
same thing - "Cat does not recommend it". The bad part is I can't remember why.
I do remember that it wasn't a reason I could readily understand. I no longer
have the bus so it is a non-issue to me now. It just seemed to me it should
work.
Good luck.
Dick Hayden - '87 PT 38 - Lake Stevens, WA
----- Original Message -----
From: kingmtpg
To: WanderlodgeForum@yahoogroups.com
Sent: Friday, June 22, 2007 8:19 PM
Subject: [WanderlodgeForum] Pac Brake
I know I have seen the answer to this but I can't find it. Is the
3208/Allison MT 643 and Pac Brake a good combination? Thanks in
advance. New Guy Brad Bloxham 78 35' Idaho Falls.
[Non-text portions of this message have been removed]
Pac brake - birdshill123 - 06-23-2007 01:13
Have you done a search in this forum on that subject. I asked that
question maybe a year ago. I think it was Randy Dupree or Mike
Hohnstein that answered. Apparently youi will get little or no braking
on a 3208. Something to do with vaklve springs and how the engine
breathes. I had considered a driveline brake but the cost is out of
sight.
Bruce
1988 FC35
Pac brake - roncan1842@... - 06-24-2007 19:25
the short fall of the pac brake on a 3208 is number one the exhaust valve
springs on a na are not heavy enough and will float under the back pressure of a
pac brake, if you have a turbo your are limited to I believe 25/28 lbs of
back pressure, which does not give the same results as on other diesels which
can run much higher pressures, I did install one on a 3208 ta in my 8235fc, it
wasn"t worth it. gear down and pump the brakes on the big hills.
ron 95pt40 brandon fl
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[Non-text portions of this message have been removed]