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How much bigger can I go with the Injector's on the 3.8's and what needs to be done to compensate for the bigger injectors?
Eric
Eric
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Eric
2005 Mustang 4.0
1996 Camaro Conv
2000 Ford Excursion
"Darkness Falls" -
I don't see any mods where you would need bigger injectors
\'97 Pontiac Firebird A4 3.08/open<br />Best 60ft.: 2.411 Best 1/8: 10.262 @ 69.726 Best 1/4: 15.941 @ 87.48<br />Mods: SLP CAI, Loudmouth, Test Pipe -
Its a conversion project I am working on that now has my stock injectors shutting down
19.0 at 4200RPM
20.6 at 4400RPM
Fuel pressure is fine.....The engine is just wanting more fuel that the stock injectors cannot provide.
Come on everyone. I need input.... I need to do whatever is needed ASAP.
Eric
[ August 29, 2003: Message edited by: merlinsrealm ]</p>Eric
2005 Mustang 4.0
1996 Camaro Conv
2000 Ford Excursion
"Darkness Falls"Comment
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I'm running Accel 24's with a maft.
Reprogramming would probably be needed in order to go higher.
You might be able to get by with the combination of an LT1 maf sensor and a maft.
I still need to install mine and see where it brings my pulse widths, and how stable my maf readings are at idle and part-throttle.\'98 A4 Camaro v6->v8 conversion, and STS kit next<br />v6: 13.6 Powerdyne, 13.2 150 shot, 13.8 120 shot, 14.3 85 shot, 15.7 stock<br />v8(na): 12.18@113, 392rwhp<br />Moderator on <a href=\"http://www.mtfba.org\" target=\"_blank\">www.mtfba.org</a> and <a href=\"http://www.frrax.com\" target=\"_blank\">www.frrax.com</a> (Road Race & Autocross)<br /><a href=\"http://community.webshots.com/user/johnduncan10\" target=\"_blank\">Car pics</a>, <a href=\"http://www.trscca.com\" target=\"_blank\">TN Region SCCA</a>Comment
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<blockquote>quote:</font><hr>Originally posted by John_D.:
I'm running Accel 24's with a maft.
Reprogramming would probably be needed in order to go higher.
You might be able to get by with the combination of an LT1 maf sensor and a maft.
I still need to install mine and see where it brings my pulse widths, and how stable my maf readings are at idle and part-throttle.
<hr></blockquote>
I have the MAF and MAFT part taking care of...part of the conversion project. I have access to LT1 Injectors ....any PCM issues I should be aware of?Eric
2005 Mustang 4.0
1996 Camaro Conv
2000 Ford Excursion
"Darkness Falls"Comment
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what kinda conversion project are you workin on...or is it some kind of big secret?\'97 Pontiac Firebird A4 3.08/open<br />Best 60ft.: 2.411 Best 1/8: 10.262 @ 69.726 Best 1/4: 15.941 @ 87.48<br />Mods: SLP CAI, Loudmouth, Test PipeComment
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<blockquote>quote:</font><hr>Originally posted by John_D.:
I'm running Accel 24's with a maft.
Reprogramming would probably be needed in order to go higher.
You might be able to get by with the combination of an LT1 maf sensor and a maft.
I still need to install mine and see where it brings my pulse widths, and how stable my maf readings are at idle and part-throttle.<hr></blockquote>
Did the PCM have any problems with the bigger injectors?Eric
2005 Mustang 4.0
1996 Camaro Conv
2000 Ford Excursion
"Darkness Falls"Comment
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I hate to butt in, but I am curious. Our injectors are controlled by AC current from the computer, right?1999 red camaro v6 M5: with a turbo<br />13.52@107.99<br />No, seriously: Who Farted? <br /><a href=\"http://www.cardomain.com/memberpage/600086\" target=\"_blank\">http://www.cardomain.com/memberpage/600086</a>Comment
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i have LT1 injectors in my car.. i believe they are 24#'s.. and also the computer learns they are there and adjusts them.. somethingl ike that..
96 Camaro M5. Dark metallic gree (?dont know the offical color name)<br />Home made Intake :: Headers, 3inch headers back to Flowmaster muffler :: spec stage 3 clutch Now installed, waiting for 3.42\'s and LSD next month<br /><a href=\"http://photobucket.com/albums/y192/RiceEatingCamaro/?action=view¤t=newcar.jpg\" target=\"_blank\">My Car</a> <br /><br />Totalled Car.<br /><a href=\"http://bellsouthpwp.net/s/k/sk8er305/\" target=\"_blank\">96 CamaroRS</a>Comment
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<blockquote>quote:</font><hr>Originally posted by malice10985:
I hate to butt in, but I am curious. Our injectors are controlled by AC current from the computer, right?<hr></blockquote>
Nope... DC.Jason McCallister, Founder & Webmaster<br /><a href=\"http://www.wtfba.org\" target=\"_blank\">West Tennessee F-Body Association, Inc.</a><br /><br />2000 Camaro - <a href=\"http://www.wtfba.org/site/view_member.php?ID=68\" target=\"_blank\">Details</a>Comment
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<blockquote>quote:</font><hr>Originally posted by merlinsrealm:
Did the PCM have any problems with the bigger injectors?<hr></blockquote>
Without the maft, I would have been running much richer at idle.
As far as the pcm being able to drive the bigger injectors, it was fine with that. As long as the impedance is the same (high or low), then they should be fine.\'98 A4 Camaro v6->v8 conversion, and STS kit next<br />v6: 13.6 Powerdyne, 13.2 150 shot, 13.8 120 shot, 14.3 85 shot, 15.7 stock<br />v8(na): 12.18@113, 392rwhp<br />Moderator on <a href=\"http://www.mtfba.org\" target=\"_blank\">www.mtfba.org</a> and <a href=\"http://www.frrax.com\" target=\"_blank\">www.frrax.com</a> (Road Race & Autocross)<br /><a href=\"http://community.webshots.com/user/johnduncan10\" target=\"_blank\">Car pics</a>, <a href=\"http://www.trscca.com\" target=\"_blank\">TN Region SCCA</a>Comment
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Impedance wise, you will be ok until at least 42lbs. I can't remember if 50lbers have the same impedance, I think they do.
DEE1997 GTP(13.3@104)-Sold<br />1999 Trans Am M6Comment
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So I guess I will have to be on a wideband to make sure the A/F Ratio is right across the board.....I will get this done within the week and let everyone know what happened.....
EricEric
2005 Mustang 4.0
1996 Camaro Conv
2000 Ford Excursion
"Darkness Falls"Comment
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how much are wideband o2 sensors?96 Camaro M5. Dark metallic gree (?dont know the offical color name)<br />Home made Intake :: Headers, 3inch headers back to Flowmaster muffler :: spec stage 3 clutch Now installed, waiting for 3.42\'s and LSD next month<br /><a href=\"http://photobucket.com/albums/y192/RiceEatingCamaro/?action=view¤t=newcar.jpg\" target=\"_blank\">My Car</a> <br /><br />Totalled Car.<br /><a href=\"http://bellsouthpwp.net/s/k/sk8er305/\" target=\"_blank\">96 CamaroRS</a>Comment
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