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Join Date: Mar 2010
Location: Hamilton, On
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Quote:
Originally Posted by philip j View Post
Hey John, yes already split the fuel pumps/upgraded the fuses... depending what I find in the next couple of days, I might just upgrade the wiring, and run the front pump only, and have the ECU trigger a new relay for it... should still be plenty of fuel, and line size for 600 HP, and I don't think I'll be over that with the gt3582r. Any suggestion on what size wiring I could get away with if I go this route?
Hey Phillip

Here is a simple chart.

https://www.bing.com/images/search?view=detailV2&ccid=%2fpC63orl&id=0D29784B3C062883D735463961DE804AD789C5A8&thid=OIP._pC63orlELxp_dAaOu-vMQHaEZ&mediaurl=http%3a%2f%2fwww.autorewire.com%2fimage%2 famps-wire-gauge-size-chart_436020.jpg&exph=593&expw=1000&q=automotive+Wire+Gauge+Size+Chart&simid=608025263954527316&selectedIndex=3&ajaxhist=0

I believe the pumps are drawing 15 amps.

Let me know how you make out.

Regards

John
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1988 Porsche 930 Targa - 3.4L Twin Plug Motor, DC 13 Cams, Supertec Head Studs, ARP Rod Bolts, Port and Polished Heads, Garretson Andial Intercooler, GSX 61 BB Stage 5Turbo, Tial F46 WG .8 Bar Spring, PowerHaus Headers, Rarly8 Dual Tip Muffler, MS3 Pro EFI conversion, 57lbs. Cobra Injectors, Center Force Stage 2 Clutch , Rebuilt 4 Speed with LSD.
Old 07-04-2018, 05:18 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #121 (permalink)
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Phillip,

If you can get away with one pump for your horsepower level, that's the best way, less failure points. The factory only used two pumps in series to get the pressure high enough for CIS.

I found the following graphs useful when I was laying out my fuel system:











As far as wiring goes, wiring is cheap and better to do just once, so FWIW I used 10 GA. The 044 can surge up to 20 amps on startup. I would break out the wiring to the relay and fuse and make sure I have 10GA all the way through for less voltage drop.

Battery -> fuse -> relay -> pump.
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1986 911 Turbo
3.3L, K27HFS, Tial 46mm, TurboKraft Intercooler, 964 Cams, Monty Muffler, MS3Pro Evo, M&W Ignition, Zietronix WBO2 Data Logger, Wevo shifter, coupler and motor mounts.
Old 07-05-2018, 06:56 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #122 (permalink)
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Quote:
Originally Posted by WinRice View Post
Phillip,

If you can get away with one pump for your horsepower level, that's the best way, less failure points. The factory only used two pumps in series to get the pressure high enough for CIS.

I found the following graphs useful when I was laying out my fuel system:











As far as wiring goes, wiring is cheap and better to do just once, so FWIW I used 10 GA. The 044 can surge up to 20 amps on startup. I would break out the wiring to the relay and fuse and make sure I have 10GA all the way through for less voltage drop.

Battery -> fuse -> relay -> pump.


Great info... thanks for sharing. Philip
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87 930 GHL/Rarlyl8/Garretson/GT3582R/1 Bar/Wevo shift, mounts/Meth inj/LM-2/Custom Fuchs/Carrera intake manifold/Xtreme Carrera heads P&P/3.4/DR 993SS cams/ Mahl/Pauter/JE/Niresist/ARP/twin COP/8.25:1/KEP stage 2/twin tials/close 2,3,4th. MS3Pro Evo 500+ HP, BTSOMP Dyno
Old 07-05-2018, 07:20 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #123 (permalink)
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Well, I have her running great.... thanks to the help from my friend Dave, and should be ready for the dyno next week. the tuner asked if I had a knock sensor installed. Has anyone experience with this type of sensor?

https://www.boschautoparts.com/en/auto/engine-position-sensors/knock-sensors
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87 930 GHL/Rarlyl8/Garretson/GT3582R/1 Bar/Wevo shift, mounts/Meth inj/LM-2/Custom Fuchs/Carrera intake manifold/Xtreme Carrera heads P&P/3.4/DR 993SS cams/ Mahl/Pauter/JE/Niresist/ARP/twin COP/8.25:1/KEP stage 2/twin tials/close 2,3,4th. MS3Pro Evo 500+ HP, BTSOMP Dyno
Old 07-06-2018, 01:31 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #124 (permalink)
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Quote:
Originally Posted by philip j View Post
Well, I have her running great.... thanks to the help from my friend Dave, and should be ready for the dyno next week. the tuner asked if I had a knock sensor installed. Has anyone experience with this type of sensor?

https://www.boschautoparts.com/en/auto/engine-position-sensors/knock-sensors
I use this one
https://www.amazon.com/Bosch-0261231006-Knock-Sensor/dp/B00BHHYVHS/ref=sr_1_1?s=automotive&ie=UTF8&qid=1447974816&sr=1-1&keywords=0261231006
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'86 930 Guards Red - EFI MS3Pro, 80lb inj, 3.4, GT35R, Tial 46, Bosch 044, B&B Headers, 3.2 carrera manifold, Turbokraft Full bay IC
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Old 07-06-2018, 09:28 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #125 (permalink)
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ordered one... should have it this week. https://www.amazon.ca/Bosch-0261231006-Knock-Sensor/dp/B00BHHYVHS/ref=sr_1_1?ie=UTF8&qid=1530998088&sr=8-1&keywords=bosch+knock+sensor+006 Going to make a appointment for the dyno, hopefully the following week... just tying up some loose ends. ;-)
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87 930 GHL/Rarlyl8/Garretson/GT3582R/1 Bar/Wevo shift, mounts/Meth inj/LM-2/Custom Fuchs/Carrera intake manifold/Xtreme Carrera heads P&P/3.4/DR 993SS cams/ Mahl/Pauter/JE/Niresist/ARP/twin COP/8.25:1/KEP stage 2/twin tials/close 2,3,4th. MS3Pro Evo 500+ HP, BTSOMP Dyno
Old 07-07-2018, 01:16 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #126 (permalink)
 
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FWIW same ones I ordered awhile back.

I have nothing else to add, since mine doesn’t run yet, but definitely want to see how well you get knock sensing to work. I’ve read mixed reviews.
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1986 911 Turbo
3.3L, K27HFS, Tial 46mm, TurboKraft Intercooler, 964 Cams, Monty Muffler, MS3Pro Evo, M&W Ignition, Zietronix WBO2 Data Logger, Wevo shifter, coupler and motor mounts.
Old 07-08-2018, 01:24 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #127 (permalink)
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Quote:
Originally Posted by WinRice View Post
FWIW same ones I ordered awhile back.

I have nothing else to add, since mine doesnít run yet, but definitely want to see how well you get knock sensing to work. Iíve read mixed reviews.
I didn't install the knock sensor, as I did not hear good things about them either... but the tuner says he has no problems setting them up to work, he says they are a good tuning tool for the dyno. I think it takes part of the guess work out of the equation on his end.
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87 930 GHL/Rarlyl8/Garretson/GT3582R/1 Bar/Wevo shift, mounts/Meth inj/LM-2/Custom Fuchs/Carrera intake manifold/Xtreme Carrera heads P&P/3.4/DR 993SS cams/ Mahl/Pauter/JE/Niresist/ARP/twin COP/8.25:1/KEP stage 2/twin tials/close 2,3,4th. MS3Pro Evo 500+ HP, BTSOMP Dyno
Old 07-08-2018, 02:46 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #128 (permalink)
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