I've run both the Weber downdraft and the stock HS-4 SUs on fresh 18GH
HC engines with 3/4 cams. I believe the SUs provide more power (seat of
the pants), if they're set up and working right.
CR
'69 B
Richard wrote:
> Hi Steve,
>
> I run a Weber downdraft carb on my 72 MGB. It was installed on the car
> when I purchased it 8 years ago. All of the emission equipment has been
> removed. It has operated flawlessly under a variety of conditions. I
> have put 2000-4000 miles per year on the car with trips up to 300 miles,
> and I have had no operating problems. Performance is probably no better
> than with properly tuned SU's.
>
> Rich
> Tucson, AZ
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