Check your regulator as they are known to have cronic diaphram issues.

All fuel pumps drop volume at higher pressures. The HP Racetronix system does not drop as much as the low pressure system over 60PSI.

 

The pump did what it was intended to do, infact, it did more than we ever expected. It is supposed to support up to 550~. We hit that and more. We could have hit 600 on the dyno, but already maxing the injector, and no reason to push it, we were happy where it sat

There is nothing wrong with a racetronix unit. LIke I said, its a great pump for the type that wants to bolt it up and go. This car is hardly the bolt it up and go sort.

Point in fact- We have 2000 more rpms to go. We have more boost on tap. We have more hp on tap. We simply need more fuel. Why use a BAP, and some bandaids to possibly hit another wall in the future?

Tell me if a racetronix single 340 with a BAP will support 1100 FWHP. If it cant, no big deal. There will be one happy Camaroz28.com member who will pick this pump up at a nice price. Its only got 15 pulls on it

 

Racetronix has some customers making just under 900RWHP safely on two Walbro pumps, upgraded lines, PnP harness and a Permacool fuel filter. If you think a single Aeromotive will do that … haha. Take the Aeromotive spec. and de-rate it by 30-40%. We can refer you to more than one dealer that has replaced a failed A1000 with a Walbro GSL392 only to have it perform better for less than half the price and without the noise. Weldon, Product Engineering and Magnaflow make the only single pumps we have seen that will outperform two Walbro’s. None of which will have anywhere close to the lifespan of the Walbros (some are not continuous duty). They are twice the price if not more than two Walbros, much louder and must be gravity fed (under tank level) with large -12 lines from a sumped tank or fuel cell.

If you want advice on a fuel system for an 1100HP motor Racetronix can advise you and supply the components. Racetronix is no stranger to high HP applications even though our advertised mainstream product is for your average street-car. We have built and installed fuel management systems on 1600HP+ Super Street cars etc.

I am confused here??? One minute we are talking about fuel systems for a 600HP street-car that has a factory tank and the next minute we are talking about 1100HP??? Any car that produces 1100HP would not be built around factory fuel system components nor would it be a true street-car. A true 1100HP car would require a fuel cell and many other items for proper operation and to pass track tech-in.

What HP level are we talking about here? 600-750RWHP or 1000+? Apples / oranges…. If you only need another 100-150RWHP support then a BAP would be worth a try instead of running lines everywhere and spending another $600+. If you want to step up to the next level then a DP system might be in order assuming you want the ease-of-installation, stealth appearance, streetability and reliability this system has to offer.

Consider a CAS or better regulator if you want to retain your factory FPR setup. An external FPR from Weldon would be best.

Jack
Racetronix

PS. I worked closely with some shops on a number of high HP LT1 cars with some VERY serious hardware and none of which reached the 1100HP mark. This includes Dave De Luca’s LT1 from A.R.E.

 

No no, I think Louis was talking about the fact that it MIGHT get near 1000hp at the crank..not rears. Not only that, just for added safety to bring more fuel into the equation to be safe. You know throwing a few hundered or even over a grand into a good fuel system isn't that bad considering what I have in the motor right now.

Is a cell coming...oh yeah but not for a few years I want to keep it on the street for a little while longer..who cares if it passes tech if I'm not on the track

Did it make more hp than what I thought it would, oh hell yeah and its not even done yet. From what I had seen from most people on the board you know 550rwhp for a blower LT1 car was pretty good, so I figured that the Racetronix kit would work...and by god it did, up until I went past that point. Like Louis said, it isn't a bad system at all, and your right it works great its just I built just a little to much motor for it.

Right now I just have to decide on what to do and how to do it. I'm going to run all new lines and sump it. Spending the money to keep the motor safe in my mind is a very smart thing to do...and since I gotta see what this thing is going to do, I gotta get her some more gas

So yeah I'll probably sell the system on the car now along with the injectors. If I get some time tomorrow I'll call you about some items and we'll get everything going and back on the dyno

 

Ahhh you are talking about two different cars...

Either way you might want to consider two GSL392's with a dual PnP wiring harness, Walbro -8 fittings and a Permacool fuel filter. This will take you down the road quite far for a modest price. If and when you outgrow them all the hardware will be there to place a Weldon in-line. All this can be had for about $450. It will be dead quiet and reliable.

Racetronix has Siemens and Delphi injectors of all sizes on sale FYI.

Jack
Racetronix

PS. Don't forget TFE line flows better than rubber, will not dry out / crack like rubber and are cheaper. The fittings are not quite as pretty though.

 

No no, not two different cars, just flywheel instead of rear wheel. But we're not going to know til we get her some more fuel.

As for quiet, well that really doesn't consern me a whole lot as I can't realy hear anything in the car as it is right now. If I expected quiet I would have bought a Caddy

Thanks for all of the help, Jack. I'll probably be calling you for some parts here soon. Me and Louis just have to get everything worked out as to what all we need to finish her up.

 

Ahhhh..... I better get some sleep
Too many late hours working.
Zzzzzzzz zz ....

G'night!

Jack
Racetronix

 

I do have another question. How do you, and can you put a sump in the tank and still keep a muffler....especially something as big as the Mufflex?

 

how much rwhp will the 57#er's support?

 

1lethumper, I would be interested in buying some of your fuel components, please email me if you decide to cell.
Thanks
Scott

 

Injectors are gone, regulator is gone, and the pump is gone.

Only things I have left is a stock steel 1LE tank with new level sending unit and the stock lines

 

I'd like to know this too as I have a sumped tank right now and the best I could do was a borla w/o a muffler that I had to have the pipe running under the sump"crushed" in several places and then wrapped with header wrap. You could go with true dual's or what I am going to try is to have a muffler shop hang a muffler under my sump using "S" bends. I really want a normal style exhaust to keep it quiet and open the cutout for the track.

 

I got the fuel problem fixed as well solved how to keep the exhaust.

The trunk is now gone, and filled with a 22 gallon Fuel Safe fuel cell, and the muffler is going to have to be rotated 90 degrees so that its going up and down instead of laying flat.

I'll just have to get some pics of everything when its done. Most of it should be completed by the end of this weekend I would think. At least the fab work anyway.