headers won't clear the spark plug area - Team Camaro Tech
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post #1 of 6 (permalink) Old Apr 12th, 10, 10:14 AM Thread Starter
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Mark
 
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headers won't clear the spark plug area

I have a set of Dougs Headers in the box (380?). I took them over to the shop and the engine builder says they are too close to the spark plugs. I have seen things you can put on the spark plug wires to keep them from getting hot from the headers but he says they aren't that effective. He's very good at this stuff and has my full confidence, just wondering if there's anything else we could consider before I send them back and possibly pay a re-stocking fee?
the motor has Brodrix track 2 alum. heads. any ideas?


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post #2 of 6 (permalink) Old Apr 12th, 10, 10:31 AM
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Re: headers won't clear the spark plug area

You could try an Accel "shorty" spark plug with a 90 degree boot.

Do your heads have angled or straight plugs?

Are your headers D368? They fit perfectly on my angled plug heads, but can't speak for straight plugs.


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post #3 of 6 (permalink) Old Apr 12th, 10, 10:34 AM
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Re: headers won't clear the spark plug area

Shorty spark plugs... Accel and NGK make short plugs, I run NGK. With 90 deg boots on the short plugs no issues from heat. I also modified an inexpensive socket to allow a wrench to fit the end of it. The plug sticks out the hole where the extension would go... Makes for fairly easy installation.

...Dennis

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post #4 of 6 (permalink) Old Apr 12th, 10, 10:39 AM Thread Starter
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Re: headers won't clear the spark plug area

should have mentioned they are indeed angle plugs. I'll go to Doug's site and get the exact make.
Dennis: that sound like it might work if it would apply to angle plugs which sounds like it would.


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post #5 of 6 (permalink) Old Apr 12th, 10, 10:51 AM
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Re: headers won't clear the spark plug area

I just put Autolite AR133's (shorty race plugs) in my 350 with headers and all is well.
I was going to get the Accel but heard they're available at Lowes and Home Depot. Didn't want a lawn mower plug. And I couldn't find the NGK's locally either and didn't want to pay shipping. The Autolites are easy to find and these came from a little mom & pop parts store.

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post #6 of 6 (permalink) Old Apr 12th, 10, 12:49 PM
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Re: headers won't clear the spark plug area

Quote:
Originally Posted by okiemark View Post
should have mentioned they are indeed angle plugs. I'll go to Doug's site and get the exact make.
Dennis: that sound like it might work if it would apply to angle plugs which sounds like it would.
I have angle plug heads and Doug's 3/4 length 1 5/8" tube headers. Don't recall the model number of the headers though...

I can get NGK plugs at Napa, All-Parts, I think Auto Zone and Winchester Auto here in Nor Cal. I'm sure it's a regional thing... I know when CSK Auto took over Kragen they quit carrying a lot of what I was use to and went to their prefered brands...

...Dennis

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