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#21 |
Join Date: Oct 2018
Location: Indiana
Posts: 47
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I am very interested as well. What is the one wire that has to be disconnected from the ECM? How do you suggest disconnected it? What does the computer know/do? Also how best to order your set up. BTW. I agree it looks like very nice work!
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#22 |
![]() Join Date: Apr 2017
Location: Wayne Illinois
Posts: 396
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The pumps come with step-by-step instructions on how to unplug the ECM connector, it literally takes a minute, very easy.
You get your choice of a Racetronix turbine pump or a comparable Walbro gear pump. Same price. The Racetronix turbine is pretty much dead quiet and is made in Canada. The Walbro is a gear pump so it can be heard similar to the OEM pump, it is made in USA. The pump is a very easy install. You will want to order a new boot usually, they are stiff & tear easily if OEM. https://www.amazon.com/1984-1996-Cor...ps%2C95&sr=8-1 I will PM you payment info.
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![]() 91-#1935 Black/black & gray, Haibeck 500 Cams by Pete |
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#23 |
![]() Join Date: Dec 2019
Location: st louis mo
Posts: 747
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do these need a one way valve installed in line, i read from here somewhere where he had to do that due to long crank to reprime fuel lines?
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95 admiral blue z(sold)/ / 93 ruby z(sold) 91 steel blue z/95 aqua z haibeck 510, 91 callaway 415 areobody #5 |
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#24 |
![]() Join Date: Apr 2017
Location: Wayne Illinois
Posts: 396
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It's a matter of choice.
If you want a check valve for the Racetronix pumps, I can include it for free. The Walbro pump has an internal check valve. It's your choice.
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![]() 91-#1935 Black/black & gray, Haibeck 500 Cams by Pete |
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#25 | |
![]() Join Date: May 2010
Location: Japan
Posts: 3,565
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I don?t understand that. My car with your Racetronix pump works perfectly and starts the same as before. If there was a delay I would not mind it at all since it would allow more oil priming which I do anyway (depress all the way down and hold while cranking) if not started recently. I remember you offered the check valve but I don?t need or want it. Thanks for an awesome product. Sent from my iPhone using ZR-1 Net Registry
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Craig "ZR-1 NO KA 'OI" "ZR-1 ICHIBAN" 1995 #228 Black/Black with Dunn Heads ZR-1 owner since September 2003 ZR-1 Net Registry Founding Member #0074 NCM Lifetime Member #2048 ![]() |
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#26 |
![]() Join Date: Mar 2022
Location: Houston, TX
Posts: 39
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Installed the single pump from Flyman on my 1990, was about an hour job in total. What's really nice is that he's already done the wiring on the tank side so the sending unit plugs directly into the factory plug, no wiring needed on the tank side. The only thing needed is to remove the wire at the ECM, which takes a paperclip and a minute to push the pin out then cover with heat shrink. Happy I went ahead with the upgrade, an hour now will probably save me hours of frustration later when the originals decide to give out.
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#27 |
![]() Join Date: Aug 2018
Location: Finksburg, MD
Posts: 244
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Received my pump a little over a week ago. The thing is a work of art. Looking forward to tackling install sometime next week.
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1994 #353 "Bluey" |
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#28 |
![]() Join Date: Apr 2017
Location: Wayne Illinois
Posts: 396
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These are still available. I stock ones with the Racetronix Turbine Pump (made in Canada) and the (Made in USA) Walbro gear pump. Your choice, same price, same performance specs.
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![]() 91-#1935 Black/black & gray, Haibeck 500 Cams by Pete |
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#29 |
![]() Join Date: May 2008
Location: Brownwood Texas
Posts: 118
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PM sent
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#30 |
Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,696
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Dan, have u ever measured if there was any difference in fuel pressure between the single v dual pump setup.
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[SIGPIC][/SIGPIC]Former Membership Chairman Former ZR-1 Registry - BOD 1972 Corvette 4speed base Coupe SOLD long time ago 1984 Corvette Z-51/4+3 SOLD 1992 Corvette ZR-1 Aqua/Gray #474 SOLD 1992 Corvette ZR-1 Black Rose/Cognac #458 2014 Honda VFR Interceptor DX |
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