The magnafuel 625 we have flows more then the 4303s

 

how does that work? isn't the 4303 the upgrade for the 625?

 

simple, its not a inline pump like the 4303

 

What is the part number for this mysterious magnafuel "625" that flows better than the 4303 (magnafuel 750)?

 

Are you talking about the 4701?

 

I just did a little research. You must be talking about the 4701, which I believe does flow better (only slightly) than the 4303. The 47xx line is not for continuous duty though.

I've considered replacing my twin 4303 setup with a single 4703, but figure I just need to do the belt drive thing and be done with it.

Sorry for the hijack OP. Back to your thread now.

 

What would be the idea single pump for my application? Something that will get me by for about 1300whp (gives me a little room to grow) on e85.

 

2-Stage PE 4600

http://www.product-engr.com/fuel_pumps.html#pe_4900