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#1
09-21-2001, 06:17 AM
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earthing....some new tuners mod in japan
hi guys, im kinda skeptical about this, but its worth a try...
its becoming extremely popular amoung tuners in japan..earthing (ground) the top headmount screws on the motor to the - (minus) on the battery. you guys hear about this? im hearing that most people who have done this no brainer no $ mod that they have felt increases in mid-throttle around the lower to mid rpm range. its not for wot condition increase. again, im pretty skeptical about it myself, but worth a try. gonna get me some 8-10awg wires over the weekend and give it a shot. out
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1998 Prelude SS - TEIN HA with upper pillows, SSR Integrals 17x7 with SP8000 (215/45), GReddy Evo catback, Iceman Comp Intake, DC Sports header, Apexi VAFC, ZEX 55 shot with bottle heater, NOS blanket, Factory Body Kit, Spoon F/R tower bars, JDM Foglamps, Carbon Fiber trim, Razo pedals &knobs, Fiamm Dual air horn Future Mods: Lighten car, 2nd 10lbs nitrous bottle would be nice too. 2001 G20 P11 AT- TEIN NA, TRM Snipers 17x7 with Potenza RE910 (215/45), Arospeed Dual-outlet Muffler, K&N Drop-in Airfilter, WW Front Lip, Nakamichi MB75 1DIN 6CD Changer/Receiver, FIAMM Dual Air horns, Levoc Pedals, PIAA (H4 Superwhite H3 Ion Crystal, 168 SuperWhite) 2002 WRX MT- TEIN HA's with upper pillow mounts, 1000Miglia HT3 17x7 with sumitomo HTR+ 225/45/17, painted side skirts, Cusco front & rear strut bar, Whiteline rear swaybar, aluminum endlinks, Blitz NUR Catback, HKS seq. BOV, factory front lip, rear valance, Kartboy short shifter and bushings. Future mods: dressup wheels with Potenza S03 225/45/17 tires, TurboXS UTec, maybe an uppipe.  by then, it'll be fast enough.fiamm dual air horns. 
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#2
09-21-2001, 07:38 AM
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Please let us know of any progress, positive or negative. Cheers
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G20 KR4 Sport ----------------- Tinted (20%); Momo Cobra Shift Knob w/ Boot; RAZO Titanium Stainless Alloy Pedals; PIAA Super White Bulbs (#15660); PIAA Platinium Super White Clearance Bulbs (#19169); PIAA Ion Crystal Bulbs (#13555); Clear Repeaters; "Primera" badge; "GT" badge; Q45 Infiniti emblem; Red G2 Brake Calipers Paint.
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#3
09-21-2001, 09:45 AM
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where did you read this at?
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UK's 1st Turbo'd Primera GT Please visit my site www.p11-gt.co.uk Updated 7/3/2003 Some Exterior Mods to go now. Vote for my car at www.ridejudge.com user name P11GT  VRRRROOOOOOMMM TIIISSSSSSHHHTT!!!
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#4
09-21-2001, 10:22 AM
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Quote:
Never trust anyone wearing a white jacket with sleeves that tie in the back. 
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George Roffe Houston, Texas USA 00 328i 91 SE-R (well modded) 84 944 SCCA ITS race car under construction "I fear all we have done is to awaken a sleeping giant and filled him with a great resolve" -- Admiral Yamamoto, December 7, 1941
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#5
09-21-2001, 01:02 PM
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check out j- magazines. its in there! ....if you can read them.. even my cousin (teg TypeR) in japan tried it out and said he felt increases...but then again, who knows. I'll try it out on the G later on today if I got some time. need to put in my PIAAs first.
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1998 Prelude SS - TEIN HA with upper pillows, SSR Integrals 17x7 with SP8000 (215/45), GReddy Evo catback, Iceman Comp Intake, DC Sports header, Apexi VAFC, ZEX 55 shot with bottle heater, NOS blanket, Factory Body Kit, Spoon F/R tower bars, JDM Foglamps, Carbon Fiber trim, Razo pedals &knobs, Fiamm Dual air horn Future Mods: Lighten car, 2nd 10lbs nitrous bottle would be nice too. 2001 G20 P11 AT- TEIN NA, TRM Snipers 17x7 with Potenza RE910 (215/45), Arospeed Dual-outlet Muffler, K&N Drop-in Airfilter, WW Front Lip, Nakamichi MB75 1DIN 6CD Changer/Receiver, FIAMM Dual Air horns, Levoc Pedals, PIAA (H4 Superwhite H3 Ion Crystal, 168 SuperWhite) 2002 WRX MT- TEIN HA's with upper pillow mounts, 1000Miglia HT3 17x7 with sumitomo HTR+ 225/45/17, painted side skirts, Cusco front & rear strut bar, Whiteline rear swaybar, aluminum endlinks, Blitz NUR Catback, HKS seq. BOV, factory front lip, rear valance, Kartboy short shifter and bushings. Future mods: dressup wheels with Potenza S03 225/45/17 tires, TurboXS UTec, maybe an uppipe. by then, it'll be fast enough.fiamm dual air horns.
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#6
09-21-2001, 07:41 PM
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just thinking, would it not effect the ecu in any way? main reason being that theres alsorts of sensors around the engine, will it not effect the readings that they produce?
one other thing? the engine is normally earthed anyway, isnt it? Post up some pics when youve done it, so we get the location of the top mount. Thanks
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UK's 1st Turbo'd Primera GT Please visit my site www.p11-gt.co.uk Updated 7/3/2003 Some Exterior Mods to go now. Vote for my car at www.ridejudge.com user name P11GT VRRRROOOOOOMMM TIIISSSSSSHHHTT!!!
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#7
09-21-2001, 10:13 PM
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Quote:
The ECU is very sensitive to changes in some sensors. Most particularly, the early SR20DE models were quite sensitive to the ground of the MAF. So sensitive that less than 10mv (yes, that's milivolts) can materially affect idle, throttle response, and even hp. The only possible thing I could see it doing is maybe providing a more powerful spark. But, the SR20 ignition system is so stout, I have huge doubts even this would be affected.
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George Roffe Houston, Texas USA 00 328i 91 SE-R (well modded) 84 944 SCCA ITS race car under construction "I fear all we have done is to awaken a sleeping giant and filled him with a great resolve" -- Admiral Yamamoto, December 7, 1941
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#8
09-22-2001, 02:00 AM
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I'm almost 100% sure that the engine in my car is earthed directly to the battery... from the factory, of course
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 Would love to resume my duties as AF's own official thread bastardizer!!!  1:29:53.435 || 207.316 || 310.596
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#9
09-22-2001, 09:27 AM
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Quote:
__________________
George Roffe Houston, Texas USA 00 328i 91 SE-R (well modded) 84 944 SCCA ITS race car under construction "I fear all we have done is to awaken a sleeping giant and filled him with a great resolve" -- Admiral Yamamoto, December 7, 1941
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#10
09-23-2001, 10:09 AM
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I've seen this "tuner"mod on lots of japanese homepages...
*now, where's that url???*
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'96 Primera P10 Formula Classic's 17's wrapped in 205/40ZR17 ------------------------ Do you like bananas? I got her number! Now, how do you like them bananas?
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#11
09-23-2001, 04:18 PM
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ok this is very weird sounds bogus to me . but i was thinking maybe the ground at the thermostat hoseing isnt enough? maybe a ground wire at each headbolt would provide a shorter path to ground thus less resistance and beatter spark due to a beatter ground ?plus alumium doesnt conduct as well as copper so the less it has to travel thru the head maybe the beatter ? at any rate i dont see anyone feeling the diffrence, the hp gain would be low .im just gonna keep saveing up for that f-max kit ....
mike 1996 g20
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#12
09-23-2001, 06:06 PM
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I personally think a little Eye of Newt would do just as much for performance.
:jump:
__________________
George Roffe Houston, Texas USA 00 328i 91 SE-R (well modded) 84 944 SCCA ITS race car under construction "I fear all we have done is to awaken a sleeping giant and filled him with a great resolve" -- Admiral Yamamoto, December 7, 1941
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#13
09-23-2001, 11:32 PM
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i dont know dudes, I tried it with a 8awg I had... havent driven it yet, but I did compare with and without it on idle. basically it seems like the motor is well grounded already. might be a honda thing...not sure. I used shortest path to the ground. if I feel anything tomorrow during my commute, will let you know.
here's the url if you can read it. this is one of many. http://www.ba.wakwak.com/~takec/koda...LUDE/earthing/
__________________
1998 Prelude SS - TEIN HA with upper pillows, SSR Integrals 17x7 with SP8000 (215/45), GReddy Evo catback, Iceman Comp Intake, DC Sports header, Apexi VAFC, ZEX 55 shot with bottle heater, NOS blanket, Factory Body Kit, Spoon F/R tower bars, JDM Foglamps, Carbon Fiber trim, Razo pedals &knobs, Fiamm Dual air horn Future Mods: Lighten car, 2nd 10lbs nitrous bottle would be nice too. 2001 G20 P11 AT- TEIN NA, TRM Snipers 17x7 with Potenza RE910 (215/45), Arospeed Dual-outlet Muffler, K&N Drop-in Airfilter, WW Front Lip, Nakamichi MB75 1DIN 6CD Changer/Receiver, FIAMM Dual Air horns, Levoc Pedals, PIAA (H4 Superwhite H3 Ion Crystal, 168 SuperWhite) 2002 WRX MT- TEIN HA's with upper pillow mounts, 1000Miglia HT3 17x7 with sumitomo HTR+ 225/45/17, painted side skirts, Cusco front & rear strut bar, Whiteline rear swaybar, aluminum endlinks, Blitz NUR Catback, HKS seq. BOV, factory front lip, rear valance, Kartboy short shifter and bushings. Future mods: dressup wheels with Potenza S03 225/45/17 tires, TurboXS UTec, maybe an uppipe. by then, it'll be fast enough.fiamm dual air horns.
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#14
09-24-2001, 06:04 AM
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I can hardly wait for your reply to this one Ken
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Current Build.....1/12 Scale Camaro......Almost finished!!!    View All My Models Here.
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#15
09-24-2001, 01:12 PM
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hunnnnnnnnnnnnnnnnnnnnnnnn...mmmmmmmmmmmmmmmmmm... .......nrrrrrrrrrrrrrrrrr..... maybe. my butt dyno couldn't really tell the difference. maybe, but I usually have the ac on, but this morning it was pretty cold so had it off....so can't really compare apples to apples... i'll see how it goes on the way home.
primeraman contiues to hold on.... hehehe.
__________________
1998 Prelude SS - TEIN HA with upper pillows, SSR Integrals 17x7 with SP8000 (215/45), GReddy Evo catback, Iceman Comp Intake, DC Sports header, Apexi VAFC, ZEX 55 shot with bottle heater, NOS blanket, Factory Body Kit, Spoon F/R tower bars, JDM Foglamps, Carbon Fiber trim, Razo pedals &knobs, Fiamm Dual air horn Future Mods: Lighten car, 2nd 10lbs nitrous bottle would be nice too. 2001 G20 P11 AT- TEIN NA, TRM Snipers 17x7 with Potenza RE910 (215/45), Arospeed Dual-outlet Muffler, K&N Drop-in Airfilter, WW Front Lip, Nakamichi MB75 1DIN 6CD Changer/Receiver, FIAMM Dual Air horns, Levoc Pedals, PIAA (H4 Superwhite H3 Ion Crystal, 168 SuperWhite) 2002 WRX MT- TEIN HA's with upper pillow mounts, 1000Miglia HT3 17x7 with sumitomo HTR+ 225/45/17, painted side skirts, Cusco front & rear strut bar, Whiteline rear swaybar, aluminum endlinks, Blitz NUR Catback, HKS seq. BOV, factory front lip, rear valance, Kartboy short shifter and bushings. Future mods: dressup wheels with Potenza S03 225/45/17 tires, TurboXS UTec, maybe an uppipe. by then, it'll be fast enough.fiamm dual air horns.
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