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| The Pub For General Automotive Related Talk |
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25-05-2005, 09:00 PM
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NOS Induction pssssshhhhh
Join Date: Jan 2005
Location: Barmera
Posts: 483
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hay guys this week on tuesday i got my epa test done the car didnt pass due to having a exhaust DB of 94 where it was ment to be 90db and emission's or poloution falied as well. They told me i have to drop the amount of fuel going threw my car, i change my injectors back to standard and changed my 300kpa fuel reg back to the standard 250kpa my fuel pump is standard and the car is still running rich on my air and fuel gauge. What other problems can cause this i have a ed xr6 manaul computer no chips or re mapping ever done on it just standard. i also have a new O2 Sensor which is working 100%
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STOKEB - 3:7 diff gears, 3inch zorst, JMM Race Series Extractors, Custom Bottom end to suit N20, AU DEV 6 Head and Cam, Cold Air Intake, ED XR6 Manual Computer with Flash Tunner, ED XR6 Fuel reg, C10 Auto, 2800stall . --------------------------------------------------- I LiVe My LiFe A bOtTlE aT a TiMe, FoR tHoSe 200 sQuIrTs I fEeL fReE.........pssssssssssssshhhhhhhhhhh |
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25-05-2005, 09:10 PM
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FF.Com.Au Hardcore
Join Date: Dec 2004
Location: Pakenham, Victoria
Posts: 6,983
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exhaust size/length will affect tune. Off of the factory 4.0's run rich.
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74 XB Fairmont (street car) 11.07@123.02mph. 08 LV Ford Focus XR5 (daily). Tuned by Hallam Performance |
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25-05-2005, 09:47 PM
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hibernating
Join Date: Dec 2004
Posts: 2,135
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The cam is probably putting the fuel ratios out of wack... might have to look at getting a chip or aftermarket ecu to control it better?
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25-05-2005, 10:25 PM
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FORMERLY TX3DUDE
Join Date: Jan 2005
Location: "THE GONG"
Posts: 2,487
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Cat converter??? do you have one????? an old one may not work at all
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25-05-2005, 10:41 PM
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Banned
Join Date: Dec 2004
Location: South East Melbourne
Posts: 6,156
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I've got a stock EB cam you can have for free if you want to try that.
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25-05-2005, 11:23 PM
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AKA ChuBBz
Join Date: Dec 2004
Location: Melbourne
Posts: 52
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STOKEB, same shit happened to me...
went for test after actually changing back to stock system (but still had 2.5" over the diff and no resinator there, and also still kept the extractors) and failed at 92dB..Damn just 2 off!!!!! having left it at 2.5" straight thru would have been 120ish dB went home made up a blank flange piece out of tin with holes in it. Went back (actually to a different tester - St. Albans) and got the test done - 88dB. Took out the piece when i got home and i'm laughin. If you need the flange piece let me know. Just dont rev ur car too much as the back pressure is shocking LOL (my car couldnt rev over 4grand) Charbs Last edited by Charbs; 25-05-2005 at 11:26 PM. |
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25-05-2005, 11:32 PM
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FORMERLY TX3DUDE
Join Date: Jan 2005
Location: "THE GONG"
Posts: 2,487
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another way is to drill a hole straight through the pipe just prior to the rear (straight through) muffler. stuff a shit load of steel wool in there (past the hole) and then put a bolt through the hole to hold the wool in place heheh after you pass pull the bolt out, rev the car wool comes out... back to normal!!!
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25-05-2005, 11:49 PM
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#8 | ||
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Banned
Join Date: Dec 2004
Location: Melbourne, Eastern Subs.
Posts: 2,281
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If you D/C the TPS, the computer leans out the fuel mixture as the revs rise, so maybe try that. Or you could just put a boost controller in the MAP sensor vacc. line lol.
Sundeep |
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Epa Test :-(
Linear Mode
