plug gap with MSD box
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Joined: May 2001
Posts: 294
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From: Detroit Suburbia, MI USA
Per MSDs recommendations, plug gap changes with cylinder pressure.
They list it in terms of compression ratio.
up to:
10.5:1= .050-.060
10.5-13.0:1= .040-.050
Above 13.0:1= ,035-.045
If using nitrous I would go .010 less than MSD's recommendations.
------------------
Mike L.
It ain't pretty.......
1987 IROC Z TPI 350 A4 3.27 Borg-Warner.
Mods: 2300-2500 Stall Converter, Shift Kit(GM parts), TPI Specialties Stage 3 PROM, Modified Airbox w/ K&N's, homemade cold air, Relocated MAT sensor, Gutted MAF, 160* thermostat, Accel 8mm Wires, bypassed TB coolant, Flowmaster 3 chamber single 3" in/out muffler, 3" MAC mandrel intermediate, custom dual !cat Y-pipe. airfoil, ported plenum. !smog
http://www.MichaelLasiuta.home.att.net
**BOYCOTT LAPEER DRAGWAY**
They list it in terms of compression ratio.
up to:
10.5:1= .050-.060
10.5-13.0:1= .040-.050
Above 13.0:1= ,035-.045
If using nitrous I would go .010 less than MSD's recommendations.
------------------
Mike L.
It ain't pretty.......
1987 IROC Z TPI 350 A4 3.27 Borg-Warner.
Mods: 2300-2500 Stall Converter, Shift Kit(GM parts), TPI Specialties Stage 3 PROM, Modified Airbox w/ K&N's, homemade cold air, Relocated MAT sensor, Gutted MAF, 160* thermostat, Accel 8mm Wires, bypassed TB coolant, Flowmaster 3 chamber single 3" in/out muffler, 3" MAC mandrel intermediate, custom dual !cat Y-pipe. airfoil, ported plenum. !smog
http://www.MichaelLasiuta.home.att.net
**BOYCOTT LAPEER DRAGWAY**
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