[Fot] Stromberg Carb tuning

[jason at multivintage.com]

What happens when you hold the pistons up and let them fall? They shoul both fall evenly and all the way down and click when it falls to the bottom? This simple check can eliminate several possible problems.
Jason Ostrowski
Friendly Ghost Racing 
Sent via BlackBerry by AT&T

-----Original Message-----
From: Duncan Charlton <duncan.charlton54 at gmail.com>
Sender: "Fot" <fot-bounces at autox.team.net>Date: Mon, 27 Oct 2014 16:56:45 
To: <fot at autox.team.net>
Subject: Re: [Fot] Stromberg Carb tuning

20 weight oil in the dampers?  Damper pistons have intact rings? Damper 
covers screwed down evenly?  All emissions controls holes blocked?  No 
other coincidental changes to the engine such as camshaft timing, 
ignition timing, valve adjustments, etc?  I have one SU on a TR street 
engine that does this slightly, so I'm hoping we'll hear a few more ideas.

Duncan
(Texas)

On 10/27/14, 3:48 PM, jeffwhall at aol.com wrote:
> I have a major tuning challenge on my 1971 GT6. The Stromberg carbs are WAY
> out of calibration. I just had them rebuilt by a professional, the fuel
> pressure is 3 PSI. As I run the car the pistons move up and down continuously.
> Can anyone give advice on what to do?
>   
> Jeffrey W. Hall
>   
>   
> -----Original
> Message-----
> From: Diesel Performance Parts - Info
> <info at dieselperformanceparts.com>
> To: 'damys at charter.net' <damys at charter.net>
> Cc: 'fot at autox.team.net' <fot at autox.team.net>
> Sent: Mon, Oct 27, 2014 11:34 am
> Subject: Re: [Fot] GT6 transmission
>
>
> Dave & Alex,
>
> Taylor Race in Texas can
> set you up with a Quaife dog ring box that bolts in
> and should last as long as
> you do. Ratios are available in anything you want
> too.  More than 3400.00 but
> less than driving 8 hours to race and only making
> one session.
>
> Mark Craig
> Diesel Performance Parts, INC.
> 411 Allied Drive
> Nashville, TN 37211
> 866-455-7788 Phone
> 615-834-9923 Fax
>
> www.dieselperformanceparts.com
> -----Original Message-----
> From: Fot [mailto:fot-bounces at autox.team.net] On
> Behalf Of damys at charter.net
> Sent: Sunday, October 26, 2014 7:30 PM
> To:
> fot at autox.team.net
> Subject: [Fot] GT6 transmission
>
> Looking for advice on a
> transmission upgrade for the GT6.  I've spoken with
> Quantum Mechanics and they
> offer four options.  Standard GT6 box, upgraded GT6
> box with TR7 gears, a TR6
> trans mod and the T9 option.  My fear with the GT6
> option is the constant
> rebuilding, although I understand it offers the best
> ratios.  The best seems
> to be the T9, but
> $3400 is a lot especially considering the other costs of
> building a racecar
> from the ground up If the T9 is the best, would it be a
> sound move to go with
> a lower diff ratio to be able to utilize 5th gear, or
> stick with the 3.27:1.
> Thanks
> Dave and Alex
> _______________________________________________
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