dlampe Dean stop smell the 110 race fuel and leave the eggnog ALONE.
Dean the 48mm are not big enought to handle the 487 cubes. Camshaft need a wider LSA with webers. 112 is tight, 114 is alot better. The cam size is not that big. 487 cubes will eat up alot of that.
You have not said what this motor is going in, what HP and torque rating you are looking for, rpm limit, trans and gear ratio? Opinion, we all have them, with the parts you are telling, I go with the carb as long as it's in the mid 750 cfm to 850 cfm range. The 48mm webers worked great on your 400+ cubic windsor motor but another 80 cubes of FE is not going to work.
You know that is a Harley motor more we are talking about in cubic size differents.
You know the FI systems, buy a TWM setup of 58mm or the Gene Berg 58mm setup. Either way make sure you have a good fuel system, 1/2" supply line, 3/8" return line, good vacuum fuel regulator, and a good large fuel pump.
Rick L. Ps happy holidays to the family.
Are you playing with GIGGEL GAS???
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