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The issue of using HS6 carbs is not one of choice, but of using what customers want to maintain a stock look. AT the time we did the testing last year we also tested the HIF6 carbs, and some other carbs as well. Without looking up the dyno data, my recollection is that the HIF6 carbs were better from 5300 - 6000 as you suggest, but that we lost power and torque in the lower rpm range. The HS6 carbs with spacers equalled the HIF6 high end while giving better low end. Eventually ran out of time on the testing, so there are still combinations that I would like to try.
Some of the reason for spending time on SU carbs and others that would mount on a stock SU manifold is due to the current cost of going to new weber sidedrafts, which is now in the $1300 range in the US, including the carbs, manifolds, linkage, soft mounts and aircleaners, but not counting the jets, etc., needed for tuning.
At those prices it has become important to have some alternatives available and we be testing at least one other this spring.
Every "romac" I can find, including one in Australia is the wrong one.
Have ATI doing adapters for their dampers here for race engines, but its very expensive. Probably more than anyone would want to pay for a street engine, so
looking for alternatives that could be made up for customers. What kind of damper did Romac do for you? Approx. price?
Can you give me contact details for Romac?
John
V-performance.com
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