John:
A couple of questions before you decide. Would you like to keep your vacuum
wipers (are you a 'pure' resto person, or do electric wipers sound more
convenient)? If you want to stay vacuum, check your vacuum source (it may
not be strong enough). Some early trucks had a combination fuel/vacuum pump
(mechanical) that provided adequate vacuum for wipers. If you replaced your
original engine with a high performance (i.e.: wild cam and carb), your
engine may not be creating enough vacuum to power the wipers. You may also
want to check your control knob and other hoses for leaks. There are
several vendors who sell rebuilt vacuum wiper motors (Bowtie Bits is the
only one that comes to mind right now), but there are others. Check Wayne's
chevytrucks.org website and click on vendors and then check a few on-line
catalogs.
If you want to go electric, many vendors sell an electric motor and the
prices may vary significantly (for the same unit, most are made by a company
called Newport Engineering). I just replaced my vacuum motor in my '56 with
an electric unit purchased from Chevy Duty for approx. $135.00 (a Newport
Engineering model). I haven't had my truck running yet (I'm in the process
of rewiring the whole vehicle), so I can't tell you how good or bad mine
works. Depending on what you want (standard 2 speed motor or deluxe with
intermittent wipers like the new cars), you can spend up to $400.00
Shop around and keep asking question on this message board. I've found many
out there are willing to share their good and bad experiences. Good Luck.
Carl Ham
'56 Chevy TF Stepside
Pontiac, IL
>From: "John Howard" <debjonjd@vianet.ca>
>Reply-To: "John Howard" <debjonjd@vianet.ca>
>To: <oletrucks@autox.team.net>
>Subject: [oletrucks] Vacuum Wipers Date: Fri, 28 Jun 2002 16:54:10 -0500
>
>My vacuum motor I guess is finished, took it apart cleaned it..everything
>looks good...but still does not
>work .it hasn't got the power to move the arm assy. not even the one
>arm.....soooo whats the best thing to do now..Do I change every over to
>12v.
>and buy a new motor do I buy a new vacuum motor...Does anyone know of a
>donner wiper motor out of another vehicle. You suggestions are appreciated.
>oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
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