Thread: what carb would you reccomend?
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01-04-2012 07:27 PM #2
It can be made to work, but you will have to do some playing around with jetting and metering rods. Better yet and for that kind of use, OD transmission, really low differential ratio(maybe a 2.79 which is a usual Ford 8" ratio) wont give you a very good volumetric ratio plus lousy performance and gas mileage. That means the air entering the carb is really moving too slow to properly atomize the fuel. You really only need about a 450 cfm carb for a generally stock engine, but a Performer 1403 or 1404, 500cfm will work better then the 650cfm
Switching to a carb from a TBI engine is not as easy as swapping intakes. You need an electric fuel pump or will have to swap the entire front of the engine (timing housing, water pump, add a cam eccentric, maybe pulleys, brackets, maybe a distributor plus possibly a few other things) from a carbed engine.
The engine in my AVATAR car, a MPI 5.0L Ford engine, 1999 manufacture, with a fairly radical cam and head setup, converted to the early front with mechanical fuel pump and it runs fine with the 600cfm, but only after a fair amount of tuningDave W
I am now gone from this forum for now - finally have pulled the plug





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