Hey guys, having a 383 built with vortec heads, need to make a call to remember the cam specs....ported tpi plenum and base, AS&M large tube runners, 52mm throttle body, headers. I'm in the process of picking out fuel injectors. I was thinking about ordering a set of 30# injectors. Would the stock fuel pump be able to keep up?

Not looking for huge HP numbers at this point as the car is a work in progress. I plan on eventually replacing the TPI unit with a HSR and then I know for sure I will need to replace it. Just ran out of budget to replace intake and pump at this time

 

Get a walbro 255. Factory pumps and any kind of aftermarket pump is garbage, might as well just get a good one and be done.

 

I doubt the stocker can keep up. Brand new the pump and wiring is barely enough, let alone after 30 years. ...I'm using the Racetronix kit, which came with a Walbro 255, but I also got the hotwire kit to help with voltage drops. Look into it. The hotwire kit was plug and play. Very easy, and not overly expensive.

 

We got away from the Walbro's because they are noisy. We use a 255 LPH pump from Deatschwerks - they are silent.

http://www.deatschwerks.com/products/fuel-pumps

I can drop ship you a fuel pump kit for about $90. It's a kit for a C4 vette but fits no problem. Have one in my 86. Good for 600+ HP.

GD