C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

header plug number?

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Old Jun 30, 2003 | 05:55 PM
  #1  
Rays91L98's Avatar
Rays91L98
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From: Lusby MD
Default header plug number?

I just installed hooker super Comp Headers on my 91 L98 and it looks like two plugs are going to be very close. Can someone please give me a brand and part number for the shorter head plugs for use with headers? I usually use rapid fire 5's.
Thanks for the info

:seeya
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Old Jun 30, 2003 | 06:00 PM
  #2  
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Default Re: header plug number? (Rays91L98)

I dont think they make the header plugs to fit the l98 aluminum heads, I just went through the same nightmare
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Old Jun 30, 2003 | 06:32 PM
  #3  
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Default Re: header plug number? (Rays91L98)

There are no "short" plugs for this application. Accell has a part number, but it is a shorter reach inside the head, and regular length outside the head.

Which will not make a difference.

You will have to dent the headers to clear the plugs.
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Old Jun 30, 2003 | 07:01 PM
  #4  
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Default Re: header plug number? (Terry@TPiS)

I thought Accel's Header Sparkplugs' are made standard length inside and shorter on the outside..I compared them in the store a few weeks ago befor eI was putting my LPE longtubes on the car as I was told I might need them, and they were defenately shorter on the outside..
Godo thing is I didn't need them. Still using normal plugs.
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Old Jun 30, 2003 | 07:04 PM
  #5  
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Default Re: header plug number? (MrNuke)

I have a set of hooker 2149s and my rapidfire #5s go in and out without a single problem. In fact its way easier than with the stock manifolds!
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Old Jun 30, 2003 | 09:28 PM
  #6  
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Default Re: header plug number? (scorp508)

I have a set of hooker 2149s and my rapidfire #5s go in and out without a single problem. In fact its way easier than with the stock manifolds!
:iagree: Clearance is excellent with these headers, I was pleasantly surprised.
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Old Jun 30, 2003 | 10:05 PM
  #7  
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Default Re: header plug number? (1MoorTym)

Driver side is OK, Just looked like some on the passenger side were way to close, they might go in but the wires will surely melt. Again, any part #'s, brands?
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Old Jun 30, 2003 | 10:46 PM
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Default Re: header plug number? (Rays91L98)

Just came from the speed shop tonight no stubbys for the L98 engine!

My #4 & #5 are close too!
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Old Jul 1, 2003 | 08:33 AM
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Default Re: header plug number? (ld85)

Right now I still have the AFR staight plugs and Hooker super comps and my cylinders 2 and 5 are so close that I have to chaange the boot every few days. Thats after denting the tubes.
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