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Justin Camilleri
Goo Roo
QLD
Had a 85 MZ10, 92 TT, Now 91 TT

Posts: 1089
Reg: 07-2005

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Friday, June 26, 2009 - 09:12 pm, by:  Justin Camilleri (Just) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

It frustrates me as I have read people installing the supra pump and driving away, and my car is stuck at their garage till Monday to sought it out.

I have a supra fuel pump. I took the soarer to a garage. They modified the bracket, wired it and then bolted it up to test it. It did not start the first few goes, then eventually the engine did start but for only for a few seconds then stall. Is that because it's not getting the right volts?
Cihan Aday
Moderator
etuner.com.au
JZZ30

Posts: 2942
Reg: 07-2005

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Friday, June 26, 2009 - 11:18 pm, by:  Cihan Aday (Cihan) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Need to do the FP to B+ bridge at the diagnostic port mate.

The minimum start voltage for these pumps is something like 10v so the 9v supplied standard doesn't kick it over.

Upgrade the wiring to the fuel tank while you're at it, straight from the battery with a relay ;)
Justin Cook
Goo Roo
QLD
JZZ30 TT

Posts: 1469
Reg: 07-2005

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Saturday, June 27, 2009 - 10:07 pm, by:  Justin Cook (Justin) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I have a supra pump mate. Rewire the pump using a relay and good 8 guage wire from the battery and all will be well.
Justin Camilleri
Goo Roo
QLD
Had a 85 MZ10, 92 TT, Now 91 TT

Posts: 1090
Reg: 07-2005

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Saturday, June 27, 2009 - 10:24 pm, by:  Justin Camilleri (Just) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Hmmm.. Where have you pathed the wire?
Justin Cook
Goo Roo
QLD
JZZ30 TT

Posts: 1470
Reg: 07-2005

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Sunday, June 28, 2009 - 06:24 am, by:  Justin Cook (Justin) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Wire runs from battery (drilled a hole behind the charcoal canister), then goes down and along passenger side of the car, to where the fuel ECU is on passenger side beside rear seats. At that point the feed goes to a 12v 40A relay I got from autobarn. Then the switch leg from that goes to the pump through the wire point on top of passenger side you will have to take rear seat out to get to this goes into the boot. Then fed wire to pump (take of circle cover behind rear seat. Wired up the new pump (hard bit here is the 12v line into the tank) have to do it in such a way that you make it safe, and have no leak.

Back at the relay wire one trigger leg to ground. The other leg goes to the 9v-12v wire output that used to go to the old pump.

That's it, works like a charm, uses the stock fuel pump ecu, and it will even last longer. ECU dies because of the power transistor in it making it cook, now through the relay I believe has higher resistance, less current, and less heat...has worked fine for me for 2+ yrs now.
Costa Tsimiklis
TryHard
Victoria
TT 300rwkw

Posts: 178
Reg: 07-2008

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Thursday, July 16, 2009 - 12:02 pm, by:  Costa Tsimiklis (Driftshop) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I've got a supra pump and I use a relay near the battery to switch it on /off.

My problem has been that on launch and hard accel. I get heaps of fuel surge. I've changed the fuel filter (what a c.unt of a job!) and I think the only option now is to re-seat the pump and see why its surging to bad.

Alternatively I may just run a surge tank and set it up properly.
Justin Cook
Goo Roo
QLD
JZZ30 TT

Posts: 1481
Reg: 07-2005

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Friday, July 17, 2009 - 10:11 pm, by:  Justin Cook (Justin) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Ive never had an issue with surge...had mine for a few years now. Mines running on 8 guage at battery voltage too.
Costa Tsimiklis
TryHard
Victoria
TT 300rwkw

Posts: 183
Reg: 07-2008

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Wednesday, July 22, 2009 - 10:03 am, by:  Costa Tsimiklis (Driftshop) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I'll have to check the install and make sure that it has been done properly. Anything under 1/2 tank = surge on hard accel. I've got a good setup for drag racing with no loss of traction due to the soft setup so when it hits boost or launches - the car goes back a fair bit to grip.

Regardless - it must be fixed if I have any hopes of running 10s in a soarer streeter :-)
Daniel Clarke
Goo Roo
NSW
TT 2.5L 6 cylinder

Posts: 5263
Reg: 03-2006

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Wednesday, July 22, 2009 - 03:04 pm, by:  Daniel Clarke (Dieseltrain) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Check to see if they mounted the Fuel pump Cradle in backwards . If mounted backwards the pickup is on an angle and sits alot higher which will cause surge down low .

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