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

Spark plug gap for cut back Bosch?

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Old May 10, 2002 | 05:39 PM
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KYVette90's Avatar
KYVette90
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From: BowlingGreen KY
Default Spark plug gap for cut back Bosch?

I'm putting some new plugs in. They are the Bosch platinum, and I'm cutting them back. What should the gap be set at? The parts store computer said .035 and they're supposed to be set already, but I checked them and they're set at .043 :confused:
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Old May 10, 2002 | 07:15 PM
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From: LANG
Default Re: Spark plug gap for cut back Bosch? (KYVette90)

go with the gm recomendation, that's i would do....
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Old May 11, 2002 | 04:58 AM
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Default Re: Spark plug gap for cut back Bosch? (KYVette90)

If that Accel Supercoil puts out more voltage than stock HEI try the .043" gap.

My HyperTech coil puts out 53kV so I have my cut back AC Delcos set to .048".
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Old May 11, 2002 | 10:23 PM
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KYVette90's Avatar
KYVette90
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Burning Brakes
 
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From: BowlingGreen KY
Default Re: Spark plug gap for cut back Bosch? (65Z01)

I gapped them to .050, could that be too much?
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Old May 15, 2002 | 10:05 AM
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Blue88's Avatar
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From: Richardson Tx
Default Re: Spark plug gap for cut back Bosch? (KYVette90)

Will this help? http://www.geocities.com/jgkov/CutPlugs.html
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