Re: 401M - HEI and Holley carb upgrade
Unfortunately the Stromberg WWC has a unique bolt pattern and the 1937 adapter will not work. Balkamp made a Stromberg to Holley adapter years ago, unless you find one you will have to fab one up. Since your 401 is in a forklift, I am not sure you would get much benefit from the Holley. Can your Stromberg be rebuilt? HEI would be a worthwhile modification, your 401 will run better and start easier.
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