none, unless the old carb wasn't working properly.
Probably not. Unless the previous intake and carb were not functioning properly.
Hard to say, they have several intakes and carburetors for that application.
by itself, not much, not enough to notice, if you go with a performance carb and air filter as well as the exhaust you will see a lot of difference.
carb, cam, intake, headers, heads, msd igntion, or a 350
How much horsepower does power commander add to 2012 R1
Answer I HAVE A 381 STROKER IN MY TRUCK AND I TRYED A 670 HOLLY AND IT WAS NOT ENOUGH I HAD TO AJUST ON IT ALL THE TIME ,I WENT TO A 750 EDELBROCK AND IT RUNS GREAT.750cfm, vacuum secondaries. also add an additional vacuum canister. you will not have brakes under hard accelleration if you have power brakes. the 383 is notorious for not creating normal vacuum. Answerdefinetely Edelbrock 750 cfm carb If it were me i would get rid of the junk edelbrock carb and get a good 670 cfm holley street avenger carb that's more than enough carb for a sb 383 up to 550 hp
5-10 Horsepower.
From 5 to 10 horsepower.
From 5 to 10 horsepower.
In normal everyday driving it will add no extra horsepower. In a racing situation at high rpms it will add some but not much. How much depends on the engine that it is installed on.
There are many wild and outlandish claims out there about how much horsepower can be added However independent tests seem to confim most kits will add about 20 extra horsepower.
5 to 9 horsepower about 7 horsepower i felt a big change of horsepower in mine