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91camaro_rs Member
Joined: 03 Dec 2008 Posts: 1712 Location: Fox Island, Wa
1991 Chevrolet Camaro RS
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Posted: Sun Dec 09, 2012 3:49 am Post subject: cars been fishy since i got it back |
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so since i got my car back from ABC transmission i noticed that at idle the afr doesn't like to be at 14.7 anymore it sits at about 12.8-13.5 and there is also a sound thats not a tick but not a knock its like inbetween, i checked for exhaust leaks and there is none, and it doesnt sound like the click of a loose rocker arm. is there anything in the tranny that could cause this or could it be something more internal, also listening to the exhaust at the tail pipe it steady and every 4 seconds or so it has a big puff come out, im not sure if thats how its supposed to be cause i only have resonators or what but it doesnt seem normal _________________
'91 Camaro RS 5.7 TPI- 700r4- 3.27 posi- headers- chambered exhaust- |
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chevymad Master B
Joined: 11 Jan 2004 Posts: 5474
1987 Pontiac Formula
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Posted: Sun Dec 09, 2012 10:11 am Post subject: |
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Loose flex plate bolts or cracked flexplate will make that kind of noise. Does the noise change when its shifted between drive and neutral? |
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aaron_sK Member
Joined: 23 Jan 2006 Posts: 8834 Location: Back in beautiful Tacompton
1987 Chevrolet Camaro IROC-Z
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Posted: Sun Dec 09, 2012 11:22 am Post subject: |
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But a bad flex plate won't make it run rich.
Did they drop the exhaust to R&R the trans? |
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chevymad Master B
Joined: 11 Jan 2004 Posts: 5474
1987 Pontiac Formula
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Posted: Sun Dec 09, 2012 11:34 am Post subject: |
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Who says there's only one problem? Oh and what will happen if the knock sensor picks up this noise? hmm? |
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91camaro_rs Member
Joined: 03 Dec 2008 Posts: 1712 Location: Fox Island, Wa
1991 Chevrolet Camaro RS
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Posted: Sun Dec 09, 2012 10:42 pm Post subject: |
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turns out they moved the spark plug wire for cylinder 8....the wire was super melted and the noise was the wire arching to the header....threw on a temporary wire and ordered a new set, im suprised it didnt throw a code...
what are the best wire looms to use? i got the MSD Street Fire 5570's same ones i have now _________________
'91 Camaro RS 5.7 TPI- 700r4- 3.27 posi- headers- chambered exhaust- |
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Twilightoptics Hardcore (12sec Club)
Joined: 13 Jan 2004 Posts: 9191 Location: Auburn , WA
1987 Chevrolet Camaro IROC-Z
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Posted: Mon Dec 10, 2012 7:18 am Post subject: |
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Haha thats what I wss going to suggest looking at. My 85 hsd the driverside wires under the header. Same issue wuth Msd wires after visiting the transmission shop. Msd wiees are junk anyway they get hard way too fast. _________________ A redline a day keeps the carbon away! |
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aaron_sK Member
Joined: 23 Jan 2006 Posts: 8834 Location: Back in beautiful Tacompton
1987 Chevrolet Camaro IROC-Z
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Posted: Mon Dec 10, 2012 8:18 am Post subject: |
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You've gotta slow down on that phone keyboard, Paul.
FWIW I use Taylor wires and I like the Taylor 42700 looms.
I have run that setup on many cars and have never had an issue. |
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91camaro_rs Member
Joined: 03 Dec 2008 Posts: 1712 Location: Fox Island, Wa
1991 Chevrolet Camaro RS
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Posted: Mon Dec 10, 2012 11:23 am Post subject: |
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phone keyboard _________________
'91 Camaro RS 5.7 TPI- 700r4- 3.27 posi- headers- chambered exhaust- |
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91camaro_rs Member
Joined: 03 Dec 2008 Posts: 1712 Location: Fox Island, Wa
1991 Chevrolet Camaro RS
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Posted: Mon Dec 10, 2012 12:22 pm Post subject: |
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did you run your wires under or over the headers? _________________
'91 Camaro RS 5.7 TPI- 700r4- 3.27 posi- headers- chambered exhaust- |
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Twilightoptics Hardcore (12sec Club)
Joined: 13 Jan 2004 Posts: 9191 Location: Auburn , WA
1987 Chevrolet Camaro IROC-Z
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Posted: Mon Dec 10, 2012 1:13 pm Post subject: |
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It was early and I was in the "office"
I'll do better next time. Its a new phone too. _________________ A redline a day keeps the carbon away! |
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aaron_sK Member
Joined: 23 Jan 2006 Posts: 8834 Location: Back in beautiful Tacompton
1987 Chevrolet Camaro IROC-Z
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Posted: Mon Dec 10, 2012 2:45 pm Post subject: |
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91camaro_rs wrote: | did you run your wires under or over the headers? |
Depends on the engine and the headers. On an SBC with shorties I would go up. |
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Twilightoptics Hardcore (12sec Club)
Joined: 13 Jan 2004 Posts: 9191 Location: Auburn , WA
1987 Chevrolet Camaro IROC-Z
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Posted: Mon Dec 10, 2012 5:14 pm Post subject: |
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From the top down through the headers in pairs.
AKA 1/3 and 5/7 together. _________________ A redline a day keeps the carbon away! |
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91camaro_rs Member
Joined: 03 Dec 2008 Posts: 1712 Location: Fox Island, Wa
1991 Chevrolet Camaro RS
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Posted: Mon Dec 10, 2012 11:02 pm Post subject: |
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the driver side is fine, its the passenger side thats always causing problems number 8 is just a pain to get to ill figure it out haha _________________
'91 Camaro RS 5.7 TPI- 700r4- 3.27 posi- headers- chambered exhaust- |
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aaron_sK Member
Joined: 23 Jan 2006 Posts: 8834 Location: Back in beautiful Tacompton
1987 Chevrolet Camaro IROC-Z
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Posted: Wed Dec 12, 2012 4:47 pm Post subject: |
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91camaro_rs wrote: | number 8 is just a pain to get to |
You must have Flowtech or Edelbrock headers then.
If you loom six and eight together as Paul suggested and then run them up behind that annoying crossover primary tube you should be fine.
BTW, in the future you should buy universal plug wires so you can get the lengths correct. |
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91camaro_rs Member
Joined: 03 Dec 2008 Posts: 1712 Location: Fox Island, Wa
1991 Chevrolet Camaro RS
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Posted: Thu Dec 13, 2012 10:54 am Post subject: |
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yeah flowtech haha _________________
'91 Camaro RS 5.7 TPI- 700r4- 3.27 posi- headers- chambered exhaust- |
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DBL_TKE Member
Joined: 28 Feb 2007 Posts: 1505 Location: Aloha, OR
1991 Chevrolet Camaro Z/28
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Posted: Thu Dec 13, 2012 8:41 pm Post subject: |
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I run my wires under the headers. I use zip ties to keep them tight to the block. Haven't had an issue. |
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91camaro_rs Member
Joined: 03 Dec 2008 Posts: 1712 Location: Fox Island, Wa
1991 Chevrolet Camaro RS
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Posted: Sat Dec 15, 2012 1:02 am Post subject: |
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i got my new wires so when i get some free time ill route em up and clean it up _________________
'91 Camaro RS 5.7 TPI- 700r4- 3.27 posi- headers- chambered exhaust- |
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