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Poncho Master!

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BBC cylinder heads


Well ya learn sumthin' new every day ... I was watching the Gatornationals on TV and saw the Jason Line Summit Racing Pro Stock motor, which HAS to be a BBC, and I noticed that the valve covers had 4 bolts on the bottom (naturally) and ... 4 bolts on the top! World Taekwondo Foundation?! Of course I checked my very own BBC, and ... yah, 3 bolts on top. So, World ... well, you know.

So it took me a little while, Google search not always being so ".00001 seconds 97 quadrillion results (snotty young 'uns that they are)" but finally I discovered that, whilst improving the BBC cylinder heads to 12 degree spread port design, they also added another valve cover bolt:

184-intake-large.jpg

Whoulda thunk, eh?

Dave



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56Pontiac  1956 Pontiac Pathfinder 2dr sedan, 496 - dyno'd 545 hp, stick shift, 4.11 posi - Hot Rod

  1964 Acadian Beaumont SD convert, 283 - factory 195 hp, Powerglide, 3.08 10-bolt - Cruiser

  2012 US-built crew cab truck - Daily Driver and Boat Trailering



A Poncho Legend!

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THEY ARE PRETTY  



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Poncho Master!

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Posts: 2262
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Hmmm, whilst sitting on the pot perusing an old Competition Products catalog (no I do not use catalog pages for wiping), I noticed that ALL of the spread port/low valve angle heads (Brodix "Big Duke", Dart "Big Chief", Pro-Filer "Hitman" etc.) have 4 bolts top and bottom.

Dave

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56Pontiac  1956 Pontiac Pathfinder 2dr sedan, 496 - dyno'd 545 hp, stick shift, 4.11 posi - Hot Rod

  1964 Acadian Beaumont SD convert, 283 - factory 195 hp, Powerglide, 3.08 10-bolt - Cruiser

  2012 US-built crew cab truck - Daily Driver and Boat Trailering



Poncho Master!

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Posts: 2262
Date:

Yah! That's it! ... but wait, there are 4 on top and 4 on bottom and 2 heads ... it's for a 16 door!

Dave



-- Edited by davelacourse on Friday 1st of April 2016 05:56:08 PM

__________________

56Pontiac  1956 Pontiac Pathfinder 2dr sedan, 496 - dyno'd 545 hp, stick shift, 4.11 posi - Hot Rod

  1964 Acadian Beaumont SD convert, 283 - factory 195 hp, Powerglide, 3.08 10-bolt - Cruiser

  2012 US-built crew cab truck - Daily Driver and Boat Trailering

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