Accel Shorty Header plugs?
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From: Winston salem, NC
Car: 1987 1SICIROC.....1999 TransAm
Engine: 385 HSR.....LS1
Transmission: 700R4 with Midwest 3400 2.4str...M6
Axle/Gears: SLP Zexel Posi unit 3.42's...3.73's
Accel Shorty Header plugs?
Are Accel header plugs cold enough? I think they are about 1 or 2 steps colder but I cant find anywhere to confirm.
anyone know?
When I put them in about a month ago I gapped them to .045...is that ok?
anyone know?
When I put them in about a month ago I gapped them to .045...is that ok?
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Joined: Oct 1999
Posts: 1,112
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From: W. Kentucky
Car: 83 Z-28
Engine: 406
Transmission: TH350
Axle/Gears: 3.70
I tried a set of those last year and had terrible luck with them. Kept fouling out very easily. My advice is to do what I ended up doing. Use Autolite plugs. They are the same length as the shorties and a whole lot cheaper. When using the Autolites you can cross referance the part numbers with AC delco at the part stores.
Thread Starter
Supreme Member
iTrader: (4)
Joined: Feb 2000
Posts: 2,850
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From: Winston salem, NC
Car: 1987 1SICIROC.....1999 TransAm
Engine: 385 HSR.....LS1
Transmission: 700R4 with Midwest 3400 2.4str...M6
Axle/Gears: SLP Zexel Posi unit 3.42's...3.73's
which plugs? the ones that I have?
If your talking about mine, they are the ACCEL Header Plugs
part# 8198 Plug # 574S
If your talking about mine, they are the ACCEL Header Plugs
part# 8198 Plug # 574S
Last edited by Wishmaster's87IROC; May 16, 2005 at 09:50 PM.
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Joined: Feb 2003
Posts: 58
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From: Ft. Wayne, IN
Car: 86 Camaro Z28
Engine: 5.3 LM7
Transmission: TH400
Axle/Gears: 3.23
I used them for about a month a couple years back and they fouled out very quickly. I would use the Autolites or something else like mentioned above.
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Joined: May 2001
Posts: 2,009
Likes: 5
From: Pitman, NJ
Car: '89 IROC-Z
Engine: Canfield 195 headed 358ci
Transmission: TH350, Art Carr 9.5"
Axle/Gears: 3.92 Dana 44
I didnt have much luck with them either, not to mention they're only slightly shorter than your average plug.
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