demon or holley?

Both can make the same power with the proper tuning.. Out of the box, they are both pretty even also.

What motor are you putting it on, that information will be helpfull for people to give you advice. 750 is too big for a 302 (I probably already know that)
 
srothfuss said:
Both can make the same power with the proper tuning.. Out of the box, they are both pretty even also.

What motor are you putting it on, that information will be helpfull for people to give you advice. 750 is too big for a 302 (I probably already know that)
i dont know why i keep hearing a 750 is too big for certain applications.....IT ALL DEPENDS ON YOUR COMBO PERIOD!!!!! some 302s need a 750
 
I dont have any experiance with Holley's personaly,but our Demon has never let me down :nice:

Holley HP vs. Mighty Demon is what ever you can get cheaper or if you like the look of one brand better.There both great.
 
Putting in a larger carb than needed will only hurt power. 650 is good from 302 to a mild 331, 750 is for a mild 331-351, 850 or more your looking at 400+cid. I am no expert though, but I know that carbes use the venturi's to create velosity, therefore going larger than needed will result in lower velosity and if the volume of the smaller carb is never needed, then it will result in lower power. People often overcarb thier engines just like they overcam them. If you put in a part that operates in a range your motor is not capable of operating, then it is just a waste.