You should be connected to manifold vacuum, not to the carb. If you get a
vacuum canister from a newer vehicle it will give you a little more reserve.
You could also put an electric vacuum pump in somewhere or just convert the
wipers over to electric.
Mike Boteler
'56 4400 Stake
'56 6400 Stake
'56 8400 Wrecker w/Holmes 525
'56 9200 Tractor w/Allison Automatic
'57 10500 Fire Truck
Hughesville, MD
----- Original Message -----
From: <Rob_Parkinson@peoplesoft.com>
To: <oletrucks@autox.team.net>
Sent: Monday, August 30, 2004 11:19 PM
Subject: [oletrucks] gutless wipers
> Can anyone out there give my son some advice on boosting the vacuum power
> for his wipers?
> There's just not enough to keep them going, even with the lightest rain.
> We have totally dissasembled and re-lubricated the wiper motor, so it is
> functionally good, just not enough vacuum pressure from the carb.
> It's a 51 3100, 12V with a 235.
> Not sure what kind of carburetor.....
> That begs a second question - my son is not totally set on originality, so
> does anyone have a recommendation for a replacement, fairly inexpensive
> carb?
> Thanks in advance, Rob
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