Spark Plug location issues..
12-11-2012, 06:03 PM
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Car: 1984 Firebird (89 Formula Clone)
Engine: 357
Transmission: m29 T56
Axle/Gears: 3.27 9 bolt Borg Warner.
Spark Plug location issues..
I need some thoughts on this... I just got my NGK 5671a7's, All of the plugs work great except Cyl #3... I had to take the header off just to fit it in. Angled plug heads, Hedmen longtube headers. 357 sbc.
12-15-2012, 11:07 AM
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Car: 1987 Trans Am
Engine: Patriot Performance 383 500hp
Transmission: T-56
Axle/Gears: Dana 44 4.09's
Re: Spark Plug location issues..
I'm having the issue with the same plug, did you get this resolved? what shorty plug did you use? thanks. Can't find a cross reference of the r5671a-7's in a shorter plug
03-12-2014, 12:18 AM
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Car: 1984 Firebird (89 Formula Clone)
Engine: 357
Transmission: m29 T56
Axle/Gears: 3.27 9 bolt Borg Warner.
Re: Spark Plug location issues..
I had to run a race plug and dent the header. NGK makes the same plug but much smaller.
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