OK I have decided to finally upgrade my fuel pump, trying to find a little more power. I've decided to go with a Holley pump and regulator, but my question is which one is the better choice. Red flows 97 gph and the blue flows 110 gph. I've tried the "search" function but did'nt come up with the best answer. My mods include 45mm dcoe Weber, Mindtrain exhaust. Also whats the best pressure to set this combo up with?, Im thinking about 5 psi sounds right?. Thanks.

 

Sorry, i can't help ya with the question, but where did you find these things at. A fuel pump upgrade is on my todo list.

 

i have heard 6psi, but i donot think that that is much of a difference.. the most important part is the volume..

as far as plue or red, sorry.. i went with the carter setup. out of curiosity, why did you decide on a holley pump.

 

Ok, I've tried both Holley and Carter pumps and IMO the Carter is definately the better of the two pumps.

The mounting system is a lot better and it is quieter.

But, if you do decide to get a Holley regardless then either one will be fine. Keep in mind that the Blue comes with a regulator but with the Red you'll need to buy one seperately.

Pressure will need to be set at around 4.5-5psi

 

I'm sure you knew I was going to pop up, REVHED. If the Carter is quieter than the Holleys, I can only imagine the cancophany under the car that startles people as you drive by with them. Do yourself a favor and step up to a Mallory Comp110....quieter and more powerful than either of the choices mentioned to date...

 

sorry but I disagree. the mallory is a better pump but iyt is not worth spending all that money, you still will need a fuel pressure regulator and new hoses etc...so save your money.

I had a mallory on a streetported 12a and it was overkill. I have also had the red holley. Right now I have a carter...cheap and dude I am sold on it, it works...about it being noisy well I can't hear it inside the car only when standing next to the car and if you really pay close attention... I took the spare tire out and the noise/heat isolator rubber thingy out too from the rear. So go with the carter...the best bang for the money.

 

you and your bloody mallory mar3..

 

I think that if your car is factory you should go with the holly red. My friend had a holly, and with that he put a holley red and at 6 psi it is way to much to a non-ported engine. We had it set to 4.5 afterwards and then it worked very good. That's just what we did. There might be other ides around though.

 

well i got a holley red part#12-801 and i also got the pressure regulator part#12-803 its the 4 1/2-9? psi one. i plan on setting it at its lowest setting. what a bitch trying to figure out where to mount this regulator! anyone have some pictures of where they mounted theirs.

 

if you donot have your heater in, then were that came out of the firewall would be a great place...
i put mine further over, right below the rail.

 

I got a holley red. 97gph is more then you'll ever need. A carter 75gph is also more then good. Only thing really to be problems are the filters in the system. The screen in the pick up in the tank can clog, the stock fuel filter is very small and has low filter capacity and will need to be changed often. Make DAMN sure there are no kinks in any lines anywhere, that will kill its flow capacity too.

 

anyone have pictures?. on another note i checked my fuel pressure today with the stock pump running my weber(like i have been) and it was only like 3 psi at idle, and it droped even more when i had the engine at high rpm's. tommarow ill install the holley and set the pressure correctly. anyone think i will notice a difference?, it never really seemed like it was starving for fuel before!. any info is welcome. laterz

 

you will probably notice a slight difference. especially if you already have an intake and exhaust

 

The closer the regulator is to the carby the better. Here's where I put mine. As you can see it's mounted to one of the hood latch bolts. You just need to make a suitable bracket.

 

Cool Revhed nice picture!. I actually mounted mine in the same exact spot before i saw your picture!, whats the odds?. Only my regulator came with a bracket so I didnt need to fab. one. The install of the pump and reg. went pretty smooth after I figured out where to mount them, the only part that sucked was when i first fired her up fuel came dumping out of the air horns!. The reg. came pre-set at 9psi. which was way to much pressure!. Now i have it set at 4psi and it seems ok. Then I took her for a spin and i really didnt fell a difference from the old pump!. oh well at least I know I wont ever have any starvation problems.

 

i think one of the reason i noticed a big difference was because my engine was starving before... the stock pump could barely keep up with my streetport, and just didnot stand a chance with my exhaust.