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Old 07-19-2019, 07:49 PM   #5
Steeveedee
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Join Date: Jan 2013
Location: Simi Valley, CA
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Re: Correct Spark plugs?

Quote:
Originally Posted by 71CHEVYSHORTBED402 View Post
I'm reminded of the time I tried to put 402 plugs in 396 heads Knew I had a 402, forgot the heads were switched out.
That's a lot of plugs! Did the 402 get the taper seat plugs in '71? Mine still has the N-type 14 mM long reach.
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