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02-26-2004, 03:24 AM | #1 |
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Location: New Zealand
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Dump EGR Spacer
Hi there. My name is Jol and I'm from New Zealand. I have owned for 10 years now a 1971 XY Ford Falcon which i have installed a 5.0L and T5 a great combo. I have been getting the 5.0L Mustang mag; and have noticed that some guys don't run an EGR or spacer. Is this because they are running after market heads and can't use there Air Pump circuit and effectively their EGR. I ask because i have removed mine and have disconnected the EGR. Can i remove my EGR spacer and bolt the throttle body straight onto the manifold? Can anybody help...
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Jol Hennessy |
02-26-2004, 12:58 PM | #2 |
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Yeah, you can get rid ot it if you find a way to mount the throttle bracket. Some comapy (don't know who) seels an EGR elimintaor which is a thin spacer with the throttle bracket on it.
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Tom (Torque) Moss 88Gt 5spd Vert, FLowmaster Catbacks, stock cam advanced 4° @ 108.5° ICL, NMRA prepped GT40P heads 1.85/1.55 valves and 1.7 rockers, MAC P headers Jet-Hot coated, 97 Exlporer intake (ported lower), TB and injectors. 277RWHP/330RWTQ (SAE). http://www.fastlanecars.com/ |
02-26-2004, 01:58 PM | #3 |
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what purpose does it serve to get rid of it do you gain more power?
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02-26-2004, 04:46 PM | #4 |
Rebel Fleet Commander
Join Date: Oct 2001
Location: Huber Heights, OH
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You will also have to get a simulator for the plug that goes in the EGR. Otherwise, it will always setoff a Check Engine light. I bought mine off of Ebay for like $35.
and yes, you can bolt the Throttle Body to the maniford without the EGR no problem. Will need shorter bolts of course.
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1993 Mustang GT, PTK w/ T-64 - My Cardomain Webpage 11.25@123.5 on only 8 psi. 10.84@121 on only 1 headgasket "The Truth is, Your the Weak, and I am the Tyranny of Evil Men!" |
02-26-2004, 06:34 PM | #5 |
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No real power gain from getting rid of it.
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Tom (Torque) Moss 88Gt 5spd Vert, FLowmaster Catbacks, stock cam advanced 4° @ 108.5° ICL, NMRA prepped GT40P heads 1.85/1.55 valves and 1.7 rockers, MAC P headers Jet-Hot coated, 97 Exlporer intake (ported lower), TB and injectors. 277RWHP/330RWTQ (SAE). http://www.fastlanecars.com/ |
02-27-2004, 04:14 AM | #6 |
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Yeah you could bolt the throttle body straight onto the manifold but your throttle cable bracket would have no place to bolt to or less you have a cobra intake or planned on rigging it up somehow. So you need an EGR blockoff plate or EGR spacer eliminator. Found on the webpage listed below. EGR on a naturally aspirated anything will give you better fuel economy and thats about it also effects NOx levels(emmisions) Its job would be to recirculate exhaust gases to be burnt again. It does a pretty good job. BUT when you start getting a little bit quicker and start to tune the car yourself and maybe take it to the dyno and drag race on the weekend and take the car out on road courses it can start to hurt you. Reburning exhaust has a drawback. It creates a lean condition. Lean is very bad or less you can tune around it. An old theory was at WOT for about 13 to 15 seconds a factory Ford processor would activate the EGR for emmsion reasons because at that point you are just dumping fuel in and could reburn it. Well that is what we do with mustangs we take them down the track for 10-15 seconds at a crack in the quarter mile. When it turns EGR on and the motor goes lean watch out especially in supercharged applications. That is where a tuning device comes in handy because you can actually watch the oxygen sensors go lean at some point. All in all stock trim mustang dont even bother, highly tuned and modified maybe want to clean up the engine compt yeah go for it.
http://www.uprproducts.com/shopping/...ucts.asp?id=77
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93 GT 306 DSS, O-Ringed, AFR 185's, Pro Products Intakes, 55lb low imp inj, 80mm Pro-M meter, 2004 PMS, AFM Power Pipe, Kirban Reg, Vortech S-Trim 14lbs. No times yet. Trying to tune. |
02-27-2004, 08:06 AM | #7 |
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At wide open throttle (WOT) the EEC IV does not use the EGR emissions system and it also ignores the O2 sensors. The 87-93 cars EEC has a set of spark and fuel tables used just for WOT conditions. Shoulda known UPR would have that stuff.
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Tom (Torque) Moss 88Gt 5spd Vert, FLowmaster Catbacks, stock cam advanced 4° @ 108.5° ICL, NMRA prepped GT40P heads 1.85/1.55 valves and 1.7 rockers, MAC P headers Jet-Hot coated, 97 Exlporer intake (ported lower), TB and injectors. 277RWHP/330RWTQ (SAE). http://www.fastlanecars.com/ |
02-27-2004, 09:49 AM | #8 |
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Actually I meant to write in theory after being in WOT for 13-15 seconds EEC would turn on EGR to try to clean up emmisions going out the tailpipe. In turn creating a lean condition. This theory came from my Ford instructor in school. I have never proved to myself right or wrong if my theory holds any water. Thanks for the info Tmoss.
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93 GT 306 DSS, O-Ringed, AFR 185's, Pro Products Intakes, 55lb low imp inj, 80mm Pro-M meter, 2004 PMS, AFM Power Pipe, Kirban Reg, Vortech S-Trim 14lbs. No times yet. Trying to tune. |
02-27-2004, 11:31 AM | #9 | |
Rebel Fleet Commander
Join Date: Oct 2001
Location: Huber Heights, OH
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Quote:
I did mine because, I no longer had anything left of the emmissions system and wanted to clean up that area a little. Gives me a little better access to the FPR.
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1993 Mustang GT, PTK w/ T-64 - My Cardomain Webpage 11.25@123.5 on only 8 psi. 10.84@121 on only 1 headgasket "The Truth is, Your the Weak, and I am the Tyranny of Evil Men!" |
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02-27-2004, 01:19 PM | #10 | |
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Quote:
www.veryuseful.com/mustang/tech/engine
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Tom (Torque) Moss 88Gt 5spd Vert, FLowmaster Catbacks, stock cam advanced 4° @ 108.5° ICL, NMRA prepped GT40P heads 1.85/1.55 valves and 1.7 rockers, MAC P headers Jet-Hot coated, 97 Exlporer intake (ported lower), TB and injectors. 277RWHP/330RWTQ (SAE). http://www.fastlanecars.com/ |
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02-28-2004, 11:08 AM | #11 |
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3 volts is all it takes to go WOT. Hmmm Thats interesting. So with that said I soon as you shift the EGR can come back on?
Brad
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93 GT 306 DSS, O-Ringed, AFR 185's, Pro Products Intakes, 55lb low imp inj, 80mm Pro-M meter, 2004 PMS, AFM Power Pipe, Kirban Reg, Vortech S-Trim 14lbs. No times yet. Trying to tune. |
02-28-2004, 07:55 PM | #12 |
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If by "shift" you mean let off the throttle, thereby lowering the TPS voltage, then yes.
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Tom (Torque) Moss 88Gt 5spd Vert, FLowmaster Catbacks, stock cam advanced 4° @ 108.5° ICL, NMRA prepped GT40P heads 1.85/1.55 valves and 1.7 rockers, MAC P headers Jet-Hot coated, 97 Exlporer intake (ported lower), TB and injectors. 277RWHP/330RWTQ (SAE). http://www.fastlanecars.com/ |
02-29-2004, 04:35 AM | #13 |
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Thanks for your replies
Hey thanks guys. The only reason I asked is if I get after market heads and a manifold with on facilities for admission control then the EGR is useless apart from holding the throttle bracket. I use a linkage setup for my throttle so the EGR really is useless. Yeah, now I can go and buy a big throttle body, dump the EGR which will tidy up the engine bay and save money on a new spacer.
Thanks again.
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Jol Hennessy |
03-02-2004, 04:14 PM | #14 |
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Location: Anderson, TX.
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Not having the EGR will throw a check engine light as said earlier in this post, but it also pulls out ignition timing as the motor revs. So it actually can hurt performance. I have mine taken off and am going to get a chip that turns off the EGR and all emissions perameters.
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331 10:1, AFR 185's, TFS-R intake |
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