jerry I just set mine on the seat and calibrated it,( it was easy) and then
mounted it when I got back
Bill 53-3600 hot rod (project again)
Channahon,Ill.
website
www.hotrodstogo.com
Go ahead and take risks....just be sure that everything
will turn out OK.
----- Original Message -----
From: Jerry Balcom <jbalcom@earthlink.net>
To: oletrucks list <oletrucks@autox.team.net>
Sent: Friday, December 01, 2000 5:47 PM
Subject: [oletrucks] electric speedo calibration
> Maybe someone out there knows the answer to this one or can steer me in
the
> right direction to find the answer. Just bought a Stewart Warner 5"
electric
> speedo (for alot of reasons, one of which was to be able to recalibrate to
> handle the non-stock drivetrain). My '49 3600 is pushed by a turbo 400, a
> 10" posi with 2.73 gears and a pair of 255-70x15 meats. The calibration
> instructions are based on mounting the speedo, driving a measured 5mile
> length of highway, calculating any discrepancy with this distance on the
odo
> and finally finding a cross reference in the supplied table (you then get
to
> repull the speedo to reset the "code"on the back of the speedo before you
> button it all up once again). I called the "engineer" at SW tech support
to
> find the final drive gear ratio that the unit is factory calibrated for so
I
> could just recalculate mine based on the above parameters and set the
speedo
> before I mounted it. He told me that was impossible to do and that they
> don't know what the speedos are set for, just how to adjust them if they
> don't measure the prescribed 5 miles. Is this really rocket science? (Or
> maybe more like reading tea leaves.) Anyone know how to work out this
> calibration or am I out in left field? Thanks for any help available.
> Jerry B.
> '49 3600
> oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
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