[Fot] SU vs Stromberg

n197tr4 at cs.com n197tr4 at cs.com
Tue Mar 15 12:02:21 MDT 2011


 nice to know i am not alone.....both cars have Strombergs....one for almost
20 years of vintage racing.

i think the TR4  strombergs got a bad name when parts and needles were hard to
come by.

then the strombergs got changed when they went on TR6s....these seem to be
awful








-----Original Message-----
From: rodkent at cox.net
To: VANDECARR at aol.com; Tony Drews <tony at tonydrews.com>; fot at autox.team.net
Sent: Tue, Mar 15, 2011 12:15 pm
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 at 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 at 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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