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Old 07-09-2018, 08:07 PM
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Quote:
Originally Posted by Dan Case View Post
Part of tunable means several sizes of factory and aftermarket "chokes" (slip in main venturi) can be swapped in and out. The flow "size" can be changed dramatically to suit driver tastes, altitudes, engine size, and degree of other modifications from inlet air temperature to size and lengths of exhaust components. Of course there is an near limitless set of combinations of fuel jets and air bleeds to go along with "tuning" for different engines and conditions.
Yes, that's correct.

Factory choke size is 37mm.

48s are fine on mild 289s to near wild BBs.

You can 45 chokes for 48s, which is just like a sleeve.
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