at 55MPH you are turning 2600 RPM.
I don't know how many RPMs a 235 is comfortable with, but I would not want to
turn many more for an extended period.
I set my 350 up to run at 2400 at 70 MPH
there is an online calculator at:
http://www.kabamus.com/garage/gears.html
Jim Nordwall
________________________________
From: Blaine Dumkee <bmdumkee@northwestel.net>
To: oletrucks@autox.team.net
Sent: Thu, August 19, 2010 1:44:26 PM
Subject: [Oletrucks] Safe highway speeds
Hello all, long time since I posted but I still read most of the interesting
posts.
I have a 1959 GMC = ton pickup with the original 235 I6 (Canadian truck so
it has the Chevrolet drive train), 3 speed and I think the rear end is 3.90.
Tire size is P215 75 R15.
How fast can I safely drive down the highway without over revving the
original 235?
Currently I rarely drive it faster than 55 mph. Any idea how fast the 235 is
turning at 55 mph?
I know I am limited by the drum brakes and steering.
Blaine
http://www.members.tripod.com/P-wee/index_032.htm
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