LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

AFR Headed guys, Spark Plugs?

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Old Jun 16, 2008 | 06:17 PM
  #1  
Speed Density's Avatar
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From: Idaho and Canada
AFR Headed guys, Spark Plugs?

What plugs are you using? Whats your compression?

Yes I know its a gasket'd plug, ive been using Autolite 3924's and I keep fouling them out.

So post up what plug and your compression, please!

Tony.
Old Jun 16, 2008 | 08:37 PM
  #2  
The Engineer's Avatar
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From: Moore Oklahoma
Originally Posted by Speed Density
What plugs are you using? Whats your compression?

Yes I know its a gasket'd plug, ive been using Autolite 3924's and I keep fouling them out.

So post up what plug and your compression, please!

Tony.
If you would quit just “cruising-around town” picking up college girls your plugs wouldn’t foul-out Tony!

I’m running the AC Delco Iridium plugs and they seem to be working well (never foul). However, I haven’t been able to pick-up any college girls lately. Now that I think about it, I’m too old for college girls so it may not be the Iridium plugs.

WD
Old Jun 16, 2008 | 08:44 PM
  #3  
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maybe try high-school girls?.... Im sure I could find a way to relate it to fouling somehting, but im just to tired. You get the point tho!



(I have nothing to contribute to this thread, sorry)
Old Jun 16, 2008 | 08:48 PM
  #4  
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Originally Posted by ENRKyle20
maybe try high-school girls?.... Im sure I could find a way to relate it to fouling somehting, but im just to tired. You get the point tho!



(I have nothing to contribute to this thread, sorry)
I know Tony, met him at the Shoot-Out.

WD
Old Jun 16, 2008 | 09:19 PM
  #5  
Speed Density's Avatar
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Hahahaha WD!

I have no idea what your talking about though

Whats the p/n on those plugs? Your setup is pretty close to mine DCR and CI wise.

Tony.
Old Jun 17, 2008 | 06:11 PM
  #6  
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Originally Posted by Speed Density
Hahahaha WD!

I have no idea what your talking about though

Whats the p/n on those plugs? Your setup is pretty close to mine DCR and CI wise.

Tony.
The AC Delco part number for the Iridium plugs is 41-985 (inventory #12571164). I have the AFR-195, LT-4 heads which use the same type plugs as the GM factory heads.

WD
Old Jun 19, 2008 | 06:06 PM
  #7  
Speed Density's Avatar
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Oh damn WD, I thought you had the 210s.

Looks like ill keep digging
Old Jun 19, 2008 | 06:40 PM
  #8  
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Originally Posted by Speed Density
Oh damn WD, I thought you had the 210s.

Looks like ill keep digging
They may be bigger than 210s after Lloyd works them over at the end of this season. We're also going to add 2.05" intake valves.

WD
Old Jun 21, 2008 | 06:17 PM
  #9  
Speed Density's Avatar
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Nice WD!

Well the plugs are gasket style for the 210s, whereas yours are taperd. You already know that though.
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