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03-02-2015, 10:21 PM
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#1 |
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Junior Member
Join Date: Apr 2014
Posts: 1
Likes: 0
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Re: New Aluminum Cylinder Heads for the 396
The 60547 heads on summitracing.com says the spark plug hole is moved closer to the combustion chamber by .150 and the NHRA rule book says it has to be in the same location. Not sure how it's an accepted product
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03-03-2015, 07:10 AM
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#2 | |
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Member
Join Date: Feb 2008
Location: Wichita Ks
Posts: 383
Likes: 70
Liked 30 Times in 17 Posts
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Re: New Aluminum Cylinder Heads for the 396
Quote:
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