[srv1]

you all made very good points. it all made sense. well let me give my idea on this. i may be wrong, or i may repeat what one of you said, so correct me:

the only thing i can come up with is, where the fuel is getting atomized, or the location. on carb, it on the very top of the intake. FI it is at the valve basically. try to put a carb on a FI 5.0 upper and lower. wouldnt that create too much fuel in the runners? the vacuum would pull to much in, correct? now put multiport style injectors on a carb manifold and it would work. why? well the only thing i can think of is that the fuel is regulated by a computer and you can make it compensate for the shorter runners. injectors have a duty cycle, a carb basically relys on air flow (venturi effect) to achieve proper fuel mixture. so the FI wont flood out the runner as would the carb hooked up to a FI intake would.

as for runner lengths, i assume carb would flood out with long runners with a mulitport FI intake would. also to bring into the scene is throttle body FI. uses a carb style intake, doesnt it? all the throttle bodies from foreign to domestic, dont have really long runners, do they? i havent seen any. is thier? bring it to my attention. to me, i think it is where the fuel is being atomized makes the difference of runner length. a carberator seems more suseptable to flooding due to how it regulates its fuel.

does any of this make sense? am i right? after reading your posts, this is what came to my mind. these arent facts, just me thinking of it mechanically in my mind. i am very interested to hear any other ideas. PKRWUD and UNIT made some good points.