03-01-2012, 03:26 PM | #15 |
Drives: 1999 Trans Am Join Date: Jul 2009
Location: Bridgewater,Ma
Posts: 2,017
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A wire problem would show up more in the higher rpm area.
Pull the plugs and see if there is a problem there. |
03-01-2012, 03:46 PM | #16 |
Drives: 2010 Camaro SS LS3 Join Date: Sep 2010
Location: Eastern MO
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I threw money at a rough idle with MSD wires and new OEM plugs. The MSD wires were so inconsistant in the ohms from one to the other that I tried the Granatellis and those did smooth out the idle some. My MSD's are still sitting in a box as I just can't bring myself to throw them away, but I certainly wouldn't sell them to anyone either.
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03-01-2012, 03:48 PM | #17 |
Drives: 2010 Camaro SS LS3 Join Date: Sep 2010
Location: Eastern MO
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Maybe you have a small vacuum leak. If it's a bad wire or plug you should see it on a scanner as a misfire.
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03-01-2012, 03:53 PM | #18 |
Drives: 2012 Camaro 2SS Join Date: Feb 2012
Location: Nebraska
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03-01-2012, 05:26 PM | #19 |
Drives: 2010 Camaro L99 Join Date: Oct 2009
Location: Erie PA
Posts: 1,226
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Taylor seam to be fine here
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2010 L99
vararam intake, Vmax TB,Vmax Intake,TSP VVT 3 Cam,TSP underdrive pulley,Yank 3600,TM Cooler,ARH 2", High Flow cats, X-pipe, GM Pro mufflers, RX Catch Can,160 stat, BMR Trailing,toe,Cradle insert, Diff. Bushings, End links, Spohn-LCA's (Touring)Wheel spacer's. 422 rwhp Mustang Dyno http://www.youtube.com/watch?v=AaFNAhCL7Os |
03-01-2012, 07:18 PM | #20 |
chevy pride
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vacuum almost bet u thats what it is or sounds like, had this problem on wifes sporttrac , runs great while driving at a stop it shaked like crazy. easy to tell spray some propane if not wanting to do that carb cleaner, spray around vacuum lines and lesson for ur engine to rev up some and u got a leak
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03-03-2012, 02:53 AM | #21 |
i gone for these wires, as far as i also got new headers and temperature in summer is a problem around here
Granatelli Motorsports 0hms Red Ignition Wires(Hi Temp) |
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03-05-2012, 05:57 PM | #22 |
Philippians 4:13
Drives: SLP Supercharged LS3 Join Date: Aug 2009
Location: The Motor City - Michigan
Posts: 2,902
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Those MSD wires look like a stretch. I have heard that before. Do they come any longer that that? I am about to order some and have been going back and fourth between the MSD andTaylor.
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03-05-2012, 08:43 PM | #23 |
Drives: 2010 M6 2SS Join Date: Mar 2011
Location: South Windsor, CT
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I'd just continue to run the stock wires. If you are mistaking the "bump" at idle for a misfire...the LS3's all do that, even brand new.
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03-05-2012, 08:46 PM | #24 | |
Drives: 2010 M6 2SS Join Date: Mar 2011
Location: South Windsor, CT
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HAHAHAHAHA
Quote:
No offense...but those wires fit like crap. Why are they yanked so tightly? They look like they're for different coils that mount lower (closer to the exhaust ports) on the valve covers...maybe an older application or something...for example, I know on an LS1, if you wanted to run the heat sink truck coils (D585's) you had to run truck wires, as the LS1 car wires fit too tightly like your picture.
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03-06-2012, 10:28 PM | #25 |
I have msd wires and they don't fit like that. They are just right. I got them because the stock wires touched my headers.
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WhiteLighting2010
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03-07-2012, 02:05 AM | #26 | |
NJ/SoCal HT5 COTW 3/25/12
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Quote:
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04-01-2012, 07:45 PM | #27 | ||
Drives: 2012 2SS LS3, 2012 Ford Focus SE Join Date: Mar 2012
Location: SF Bay Area
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Here are some interesting videos I found regarding wires - it sure makes Granatelli wires look good. MSD wasn't bad either compared to other brands.
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04-01-2012, 08:40 PM | #28 |
Drives: 2010 M6 2SS Join Date: Mar 2011
Location: South Windsor, CT
Posts: 1,202
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If someone wants to send me a set of MSD's and a set of Granatelli's, I'll test them both back to back against my OEM wires on the dyno within 2 minutes of each other (where you'll see results that matter)...then I'll send them back and happily continue to run my stock OEM wires.
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