what spark plugs for my vortec build?
04-09-2013, 01:14 PM
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Car: 1984 Z28
Engine: Vortec 350, hotcam
Transmission: T56
Axle/Gears: 3.73
what spark plugs for my vortec build?
I'm wondering what you guys recommend for a good vortec head spark plug. I know they need to be .708 reach but what about temp ranges and gap? I have a 355 with dished pistons, .045 quench, 59cc chamber, and about 10:1 compression. This is my daily driver too.. Any help is appreciated
04-09-2013, 01:44 PM
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Car: '86 Bird, 96 ImpalaSS, 98 C1500XCab
Engine: LG4, LT1, L31
Transmission: 700R4, 4L60E, 4L60E
Axle/Gears: 3.73 Tors, 4.88 spool, 3.73 Eaton
Re: what spark plugs for my vortec build?
Autolite 104 or NGK TR55.
Those are regular copper plugs.
If you want platinums, someone else will have to help you. I run my stuff hard, so I don't use them.
Edit: Assuming your ignition system is up to OEM standards, run an .045" gap
Those are regular copper plugs.
If you want platinums, someone else will have to help you. I run my stuff hard, so I don't use them.
Edit: Assuming your ignition system is up to OEM standards, run an .045" gap
Last edited by 86LG4Bird; 04-09-2013 at 01:51 PM.
04-09-2013, 02:09 PM
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Re: what spark plugs for my vortec build?
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