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1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 09-13-2005, 09:55 PM   #1
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Default Spark Plugs

Hey I was told by a current member that i would be better off going to a different heatrange for my plugs. I have NGK TR55 in my car now and i have a smaller pulley and a FWI. I have expierenced a flutter effect whenever my engine makes boost I was wondering if other expierenced this also it is a major loss of power. I was told to switch to either NGK TR6'* or make sure my tr55'* are gapped at .055 do others agree with this?
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Old 09-13-2005, 10:33 PM   #2
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What size pulley are you running???

And what is the "flutter effect" that you speak of?


**EDIT** I'm an idiot....See Below for details......

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Old 09-13-2005, 10:44 PM   #3
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Quote:
Originally Posted by LakevilleSSEi
What size pulley are you running???

And what is the "flutter effect" that you speak of?

Also what size pulley are you running?
you must be drunk, repeating yourself I see
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Old 09-13-2005, 11:46 PM   #4
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Gap TR55'* to .055" if you pulley down one step like you have. You don't have the mods or the need to go to TR6.

Stock applications (L27, L36) should gap TR55'* at .060".
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Old 09-14-2005, 12:01 AM   #5
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Default Watch Video

http://media.putfile.com/DSCF0377

Do you hear the "flutter" effect it gets how else woudl u explainwhat is happening maybe timing off or missfire?
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Old 09-14-2005, 12:04 AM   #6
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Timing does not go 'off'. If the crank sensor fails the PCM defaults to 'limp' mode. It will not flutter. It just has reduced power (pulls timing).

Yours sounds like a possible boost problem or misfire. MISfire. Not timing.
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Old 09-14-2005, 12:22 AM   #7
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Quote:
Originally Posted by willwren
Timing does not go 'off'. If the crank sensor fails the PCM defaults to 'limp' mode. It will not flutter. It just has reduced power (pulls timing).

Yours sounds like a possible boost problem or misfire. MISfire. Not timing.
That sounded a lot like a single cylinder missfire...

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Old 09-14-2005, 12:39 AM   #8
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I'm going boost problem.

ITalking to him on AIM, if he puts the stock air box in, it goes away, if he has his CAI on, and moves his Boost Actuator back up where it belongs, it goes away.

He has a high flow cat coming on pay day. He says his TC is going bad. The probllem happens where the motor makes the most torque from what I can gather.
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Old 09-14-2005, 12:57 AM   #9
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Over active BCS?
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Old 09-14-2005, 01:02 AM   #10
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You had the same expierence before?
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