I changed the jets in my Rochester's to better match my intake and cam.
Joe's Carburetors in Lynnwood, Washington had an ample supply of various
sizes last year.
Allen in Seattle
'50 3100
----- Original Message -----
From: "Barrett Revis" <snappydog@jackass.net>
To: <oletrucks@autox.team.net>
Sent: Wednesday, April 11, 2001 7:05 PM
Subject: [oletrucks] Re: Jet Source
> I've noticed that a number of folks are looking to drop the jet size
> down in their Rochester B's, I assume to improve mileage. I was
> thinking along those same lines until I came across this caution at
> the back of Rochester's "The ABC's of Carburetion" (published around
> 1950 to 53):
>
> "The practice of indiscriminately installing lean main metering jets
> to improve economy is without basis. Lean jets are intended for high
> altitude use only and will not improve mileage at average or sea
> level altitudes. Excessively lean jets may result in burned engine
> valves."
>
> Just thought I'd pass that caution along for what it's worth. If
> anyone has any information to the contrary, let me know, I'd love to
> improve my mileage though not at the expense of my valves...
>
> Barrett Revis
> Sparks, NV
>
> '53 3105
> '48 3105
>
>
>
> >Date: Wed, 11 Apr 2001 00:35:20 -0400
> >From: "Mac Kinghorn" <kinghorn@granite.mb.ca>
> >Subject: [oletrucks] Jet Source
> >
> >Hi All
> >
> >Craig was looking for Jets for his Rochester which has jets that are
> >way to
> >large. Well Craig our big swap meet is coming up on the May long
> >weekend
> >May 24 weekend and I should be able to pick you up some jets there.
> >I will
> >get several different sizes and send them down. The book says
> >normal is to
> >be a 52 size and you can go up or down from there. I am currently
> >running a
> >50 and I intend to drop it down to about a 45. Will let you know
> >when I
> >have them and get your address
> >
> >Mac
> >52 Chev 1300
>
> -- Barrett Revis, snappydog@jackass.net on 04/11/2001
> 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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