The 1.75 SU's on my TR3A stutter coming out of the slow, tight right-hander
at Kershaw, but did not coming out of turn 7 at Road Atlanta. Go figure?
John H. Hasty
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-----Original Message-----
From: fot-bounces@autox.team.net [mailto:fot-bounces@autox.team.net] On
Behalf Of rodkent@cox.net
Sent: Tuesday, March 15, 2011 1:15 PM
To: VANDECARR@aol.com; Tony Drews; fot@autox.team.net
Subject: Re: [Fot] SU vs Stromberg
This will be a fun one to watch, I personally like the TR-4 type strongbergs
the best. That's what I used on my SCCA national 6 for years before the
webers were legal, never missed a beat. I think they are both good, but the
friends I had running SU's seem to have to fiddle more. I think it's just
personal preference. Good luck........rod
---- Tony Drews <tony@tonydrews.com> wrote:
On the 1.75" carbs, the strombergs have a shallower float bowl, and
the floats aren't oriented optimally. On the SU's, the float bowls
are deeper and you can orient the float pivots toward the front and
rear of the car. The strombergs, when mounted on the right hand side
of the engine will have issues in heavy cornering left hand turns - I
think they went rich, but it's been a while. Car would fall flat on
its face for a second until the carbs recovered. Very
frustrating. Based on that experience, I'd recommend the SU's.
- Tony Drews
At 06:36 AM 3/15/2011, VANDECARR@aol.com wrote:
>I've noticed most of the vintage racers use SUs instead of Strombergs. On
>my TR 6 I had the webers but I'm now driving a Lola with a Lotus twin
>cam. It has the Stromberg head and the Weber heads are just not available
or
>stupid expensive. I adapted the Weber 45 MCHH carbs and they work
>OK but can't
>take the G forces and are constantly spilling gas. After many
>modifications and 2 fires at the last event in Georgia I've decided
>to trash them. I
>have a set of Strombergs and SUs I can rebuild, which would be best?
>
>Dean VanDeCarr
>TR 6 autocross
>More TR6 street cars than my wife allows
>1970 Lola T200
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