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Old 10-08-2012 | 07:31 AM
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w8ye
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From: Shelby, OH
Default RE: older brison 3.2 questions & problems

ORIGINAL: Truckracer

I prefer the BPMR6F plug for that engine and that cylinder will accept either the "F" tapered seat or "A" washered plug.
The NGK BPMR6F tapered seat spark plug is perfectly interchangeable with the NGK BPMR7A or Champion RCJY6Y or 7Y gasket type spark plugs as far as the engine is concerned.

Besides, the NGK tapered seat spark plug is much smaller on the top porcelain side. This makes for a neater engine installation. This is a common swap and I have several engines that have been done this way.

However, the spark plug shielded boots are a different size. Both sizes are available from RCEXL.

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