I will have to buy your book and try one of the suggested needles. I'm doing
much better this race weekend with the needles I just put in. Great power when
fully in the throttle through to 6500 rpm but could be better when i have to
let off and modulating the throttle through a corner. Plugs are a nice tab
color after a good session
Sent from my iPhone
On 2012-09-01, at 2:13 PM, "Kas Kastner" <kaskas@cox.net> wrote:
> You might try an RH S.U. needle or and RG Which is slightly richer. These
are
> a lot leaner than the ones used for racing which are RB RC nd RA. In my
> famous ntoebook I have a lot of the S.U. needle info. I can scan a page and
> send it if it will help. I'll be adding this to my new revised upgraded
> Handbook that I plan to have available as a download within a couple
months..
>
> Never be beaten by equipment
> Date: Sat, 1 Sep 2012 12:15:28 -0500
> From: cartravel@pobox.com
> To: kaskas@cox.net
> CC: lang@isis.mit.edu; fot@autox.team.net
> Subject: Re: [Fot] Zenith-Stromberg needle specs
>
>
>
>
>
>
> Thanks for locating the spreadsheet, I will get a copy so I can
> compare it to the SU charts that I have. The ones in Kas' book
> should give a starting point. This is for a TR250 street car, which
> I want to warm up but maintain an overall stock appearance. I want
> it to be like it would have been if not for the emission
> requirements. More or less like the 128 mph demonstration car Kas
> did back in the day. I've taken the compression ratio to 9.5 and
> put in a longer duration cam (BP270). I have yet to do anything to
> the carbs, so I'm still running the fixed needle Z-S. I want to
> stick with Z-S to maintain the stock appearance, but will need to
> switch to some adjustable ones or make these adjustable (see Buckeye
> Triumphs).
>
>
>
>
>
> On 8/29/2012 6:38 PM, Kas Kastner
> wrote:
>
>
>
>
>
> just a reminder that on page 110 of my book the "Handbook" there
> is a chart of the needles we used with great success in the
> 1.5" carbs.. These are STROMBERG needles. Lots of number to
> compare. By the way that is .006" shim stock you need to use an
> S.U. needle.
>
>
>
> Never be beaten by equipment
> _______________________________________________
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>
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>
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