So I now have to wait another couple of weeks to get my car tuned. My tuner is packed! So I was thinking about a fuel system. I’m running the Ecs kit with a bap and 100% meth. Looking for 650rwhp. I’m not crazy about the bap, so I wanted to know the best route.. buy a external pump from Ecs or a&a or replace the pumps? I won’t be do this job, so I would have to pay for it. With the external pump, how do the holes they have to drill into the take hold up? Thanks

 

message Bret (blownbluez06) - he builds all sorts of crazy fuel setups.

 

With the ECS system, you do not have to drill any holes in your tank, IMO that is a big no-no and should not be done. Every car that has come in here with a fuel system drilled into the tank weeps and dust collection around it. You would only need the stage 1 system, the BAP can be removed.

 

For the record I'm talking about drilling the tank and just using a tapered fitting, not drilling the tank and using our fuel block that seals properly.

 

Thanks for clearing that up Doug! What’s the best way to know that pump is coming on in boost? Led at the dash? Thanks

 

Read some of my most recent thread

 

The ECS external pumps are a great option. You don't want to take the tanks out if you don't have too.

 

I used the ECS stage 1 kit on my 04Z and it worked great. Fuel pressure was over 60psi

 

I am going to SC my late 03Z. I have all the parts sourced except Diff and Fuel. This thread covers a lot of the concerns I have so....

My choices seem to be A&A (Bulkhead fitting), ECS (Drill n Tap), Racetronix (Drop in) or Bret (anything I want). I have talked with Bret and he REALLY is good at this stuff. The only this I don't like is 'tapping' a fitting into the plastic tank. Having seen the leak pics from RockyMtC5 I just don't like the idea. Safety is also a 'Thing'. If you crash and that fitting comes out it would be very bad. I'm sure Bret can come up with a drop in system that is similar to Racetronix but that means dropping the tanks (I STILL can't figure out WHY the fuel system has to be so F'n complicated - early or late 03, doesn't matter). I'll have the car VERY apart (clutch, remote bleed, TT rebuild, etc) and dropping the tanks would be as easy as it could be - I just don't want to do it.
Looks like A&A uses a bulkhead fitting which is IMHO better than tapping plastic and trusting it. I use those type of fitting in my job on BIG spray tanks with lots for Head Pressure and I've never had a problem with one.

I'm just looking for opinions from guys that have more experience than me.

Would I still need the upgraded (RaceTronix) wiring harness with 2nd, external pump or do the systems come with a wiring upgrade?
For the guys running A&A have you had any issues with the bulkhead fitting? Did you choose that system JUST to avoid dropping the tanks?
Is a Bigger drop in pump any better / more reliable? Can the Late 03 system be replaced with the early tanks - seems much easier to service them. Why did they change anyway?
I currently have Zero issues with my system - gauge seems accurate but it is a PITA to fill up but I guess we all have issues with that,
The BAP is not for me - I just can't wrap my head around 'over-clocking. Computers or fuel pumps.
Thanks for reading my confusion and for any input. I know the end decision is on ME - just looking for some more dialog on the subject.
JS

 

Nothing???
Should I have posted this in Tech?

 

The racetronix harness is to better power the OEM pump that is used in conjunction with a second pump in any of these applications. The real questions are:
How much power are you shooting for?
Will you want more in the future?
What is your entire setup?
What fuel will you be using?

We can't tell you what fuel system to pick up if you don't tell us what your setup is and what your goals are.

 

Thanks for the reply TP. I am doing the same thing as Mr Black - only he started and I'm still getting ready. Looking for 600 WHP, Stock bottom end... a powerful, reliable pump gas car. Here's my original introduction post.
https://www.corvetteforum.com/forums...n-my-03-z.html
I also posted on a few other LSA swap threads - some people are OK with it, Some think it's stupid and we should all have Centi Chargers. This is Hot Rodding and, like Mr Black, I want something different. BFD if I have to trim the Wiper cowl a little.
I know that the fuel system needs updated. I have a habit of over-thinking EVERYTHING and this is no different. I'd REALLY rather not drop the tanks - especially on a late '03 - but I'll have the easiest opportunity with the TT out and doing the RXT clutch. I'm just looking for some of the experienced guys opinions. I think Drill / Tap a plastic tank is crazy but lots have done it. If you read my first post on this particular swap it'll tell you what I have - very similar to Mr Black.
Like I said - looking for advice from the Tribe Elders. Fuel is the last thing I have to get. I'm gonna farm out the Diff work to one of the guys here - He's in MD and not far from me. Has a great reputation.
Thanks again for the reply

 

If all you want is 600whp dont bother with any of the external pump kits. Drop the tank while everything is out and put a single 450lph pump in the tank with a hotwire kit and be done with it. It’ll be quieter than an external pump and a lot less cluttered since you can retain the oem fuel feed line. I would suggest going with a boost referenced fuel pressure regulator and return line as well for good measure.

If really want to keep it quiet in the cabin Fore Innovations makes a great dual pump hanger that drops right into the oem tank that can hold dual 255lph pumps. This way you could run one all the time and have one activated by a hobbs switch that is only activated a 2-4psi. It wouldnt be any louder than stock until you start to romp on it, at which point your engine/exhaust will drown out the sound of the pumps anyways. The other great part about their setup is that is comes ready to go with whatever fittings you would need to adapt a return line to the pump hat and eliminate the oem pressure regulator.

 

Jumbo, I recommend get racetronix 525 drop in pump plus hotwire kit, assuming you're on the C6 style fuel tanks/system. 450 would work too, but might as well stuff in the biggest drop in replacement pump that you can while you're there. The price difference is negligible vs the labor involved.

 

Is e85 a consideration where you live?

 

I'd still avoid taking the tank down, especially if you're not taking it in somewhere. I've seen more bad come out of that then good. Even with the install goes right the transfer pump can cause issues and drop pressure. Seen it before.
If you're looking to make 550-800rwhp a external is the way to go. They run off of a hobbs switch and don't make any extra noise unless you're under throttle (so you'll never hear them). Can they leak? Sure if they aren't installed properly but we haven't ran into to many issues. They are reliable and easy

 

Well, Looks like I'm dropp'n the tank. DAMN!!

 

D'oh! Didn't refresh the page before the post and didn't sees the replies from Juiced and Water.
E85 is not too common here but is getting more popular.
Juiced, This is why I posted up in the first place. There are lots of guys that have lots of smarts and I want their opinions. Turpid, Aaron and You are 3 of em. This might be a game day decision - once I have the car in pieces. I watched a video where a guy had to drop the tanks like 3 times - kept F'n little things up and needed a Do-Over. That would be HORRIBLE!!

 

If I were to run the external I would do the ECS. There bulkhead set up for the tank is way better.

Since you already have everything out I would drop the tanks and put the Racetronic 525 setup in, but get the one with return fitting already on the bucket. This way you can go to a return system. The 525 will be more than enough for what you want. If you need more in the future you can always add a boost pump. Especially since you are running pump gas.

KT