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Mod | | | Forums66 Topics128,024 Posts1,055,395 Members48,422 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Oct 2006 Posts: 9,671 'Bolter | | 'Bolter Joined: Oct 2006 Posts: 9,671 | Air ya gonna dyno test that engine p.j.? You tint gonna see feel any difference in the performance just by light porting or deburring. All of that comes into play when you’re doing a lot of other modification and trying to milk every last pony out of an engine. Of course if you don't have anything better to do and want to spend the time it surly won't hurt anything.
You have to consider the fact that if GM could have squeezed a few more horses out of their engines buy deburring the castings that they certainly would have. But the pay back for the effort didn't justify it.
Denny Graham
Sandwich, IL
Denny G
Sandwich, IL
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