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Racetronics Uninstall?

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Old Apr 15, 2008 | 10:12 PM
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Default Racetronics Uninstall?

I recently purchased a 2001 Z28 that was a bolt on and big nitrous car, until it burned a hole through an exhaust valve.

I'm going to return the car back to stock and start over with mild bolt ons.

It has a racetronics I guess BAP on it at least. (I've never heard of this until I found it on the car and did a search here).

How should I go about removing this? The wiring part is a no brainer and can be done without dropping the tank right?

Should I drop the tank and see what kind of fuel pump is in it?

There is no access cut into the floor so I'm thinking they either used the stock pump or took the tank out.

Is there any way (or reason) to tell if it has the stock pump, like different wiring, line coming out, etc?
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Old Apr 15, 2008 | 11:49 PM
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You should have the Racetronics wireing going back.. If they installed the pump by removing the tank you will have to do the same to get it out.. But i would just leave the pump in. its a good pump better then stock. you can also leave the wireing. As far as the BAP It sends a signal to the pump to pump more gas under boost/NX. You could prolly just remove the BAP and the connecters to it. the Racetronics wiring has a port for a BAP. You have pics? Also the hole would be cut in the cab behind the back seats under the carpet in the middle B4 the trunk area.. You just pull the carpet up and look.
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Old Apr 15, 2008 | 11:57 PM
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I never installed a BAP i would think that there would be a Vac line going from your TB area to your BAP. Also if there was tuning done to your car for the NX you would be running rich at WOT. I could be wrong. Is it a inline fuel pump your thinking is a BAP? pics would be nice
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Old Apr 16, 2008 | 07:34 AM
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This car is just a roller at this point, everythings been put back to stock but theres no engine since the previous owner blew it up and took it out. They also took the nitrous stuff out, the only thing left is two toggle switches and two push button switches. I didn't trace that wiring out yet.
I did follow the racetronics wiring from the tank to the loop terminal in the engine compartment, it looks like this kit http://www.racetronix.com/product/RX...99-FPWHG-2.jpgBut i did not see the 'fuel pump booster interface connector'

I'm not sure what BAP stands for ,boost assisted pump? I thought it got more voltage from a voltage amplifier connected to the fuel pump interface connector.

My main question is since I'm going to be running basically stock should I just take this all off? And if it does have a different pump should I just leave it alone? There is no hole in the floor for fuel pump access. I have a feeling this guy would have cut a hole rather than drop the tank. I'm thinking he only installed the wiring part and was using a stock pump.
He said it was tuned and blamed that on the engine failure.
I have HP Tuners only for 2002 so I bought a 2002 engine computer with the replacement engine, I won't be able to look at the tune thats in the car and see what was changed. I'm just going to install the 2002 computer and engine and start over.
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Old Apr 16, 2008 | 09:51 AM
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Originally Posted by 9000th01ss
This car is just a roller at this point, everythings been put back to stock but theres no engine since the previous owner blew it up and took it out. They also took the nitrous stuff out, the only thing left is two toggle switches and two push button switches. I didn't trace that wiring out yet.
I did follow the racetronics wiring from the tank to the loop terminal in the engine compartment, it looks like this kit http://www.racetronix.com/product/RX...99-FPWHG-2.jpgBut i did not see the 'fuel pump booster interface connector'

I'm not sure what BAP stands for ,boost assisted pump? I thought it got more voltage from a voltage amplifier connected to the fuel pump interface connector.

My main question is since I'm going to be running basically stock should I just take this all off? And if it does have a different pump should I just leave it alone? There is no hole in the floor for fuel pump access. I have a feeling this guy would have cut a hole rather than drop the tank. I'm thinking he only installed the wiring part and was using a stock pump.
He said it was tuned and blamed that on the engine failure.
I have HP Tuners only for 2002 so I bought a 2002 engine computer with the replacement engine, I won't be able to look at the tune thats in the car and see what was changed. I'm just going to install the 2002 computer and engine and start over.

If your unsure, drop the tank and pull out the pump....my Racetronix pump was Red Anodized...if it is a stock pump, it will be gray/metallic. If I were you and knowing the motor popped with Nitrous.... I'd be checking it all out before using it again.
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Old Apr 16, 2008 | 02:53 PM
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If it has the racetronix pump and wiring, I would just use that in your car. You do not need to use the Boost A Pump. It just plugs into the racetronix harness. My harness has that connector and I just left it capped off. My racetronix pump is supporting my power with no problems. And it would work great for a mostly stock set-up too.
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Old Apr 16, 2008 | 07:16 PM
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Well I took the tank out today, it has the Racetronic pump. I took the harness out though, and connected the wires like stock.
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Old Apr 18, 2008 | 03:22 AM
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The harness should have been left in for reliability purposes. There is nothing to be gained by taking it out, only a loss.
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Old Apr 18, 2008 | 07:33 AM
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The best part is I can always put it back in the car.

I have a question for you Racetrontics only. I emailed you (or your email hopefully not you personally) and that was a horrible experience. It took four emails to get a reply that was remotley close to answering my question.

Let me ask it again in the simplest way I can think.

When I disconnect my fuel filter and let it pump the fuel out will it leave about two gallons in the tank? Or should it pump more out of the tank?
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Old Apr 22, 2008 | 07:49 PM
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Ok maybe it was you who was emailing me worthless replies.
FWIW I put the harness back on, got it running, it reads below empty when it stops pumping fuel but still has approx 2 gallons in the tank. I guess it's normal.
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Old Apr 22, 2008 | 08:01 PM
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Originally Posted by 9000th01ss
Ok maybe it was you who was emailing me worthless replies.
FWIW I put the harness back on, got it running, it reads below empty when it stops pumping fuel but still has approx 2 gallons in the tank. I guess it's normal.
The information sent to you was not worthless, you just did not understand our initial reply.

Why you would run a pump dry or run any test for that matter without confirming your methods first is just asking from trouble.

It is possible you have a problem with the checkvalve in the bottom of the bucket or the jet pump assembly which is not allowing the bucket to maintain fuel.
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Old Apr 22, 2008 | 09:43 PM
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By worthless reply I meant at least one that said "taking the tank out is always a good idea" Thats all I got in that email.

I did not run the pump dry, I said I ran it until it started spitting fuel (instead of a steady stream) and then I stopped it.

I would guess the bucket is staying full because according to your site, if the bucket was not staying full it would have excessive cranking at start up. Well it starts right up after sitting all night, even if I just turn the key right to crank without letting the pump run for long.
Plus the car sat for a long time, not sure at least a year, then the car was on a transport truck/trailer for 1300 miles and after all that the bucket was full when I pulled it out.


Maybe we don't fully understand eachother but I do understand the theory of operation as described on your site and I believe my fuel system is working fine.
Thanks for your patience.
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