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Jason · 08-17-2009, 05:01 PM

Big Show, take a look at the class guide and engine specs. You will find a few differences between 68/69/70 are classes allowed to run, engine cubic inch, cylinder bore size, exhaust valve size, head cc, piston dome cc, piston dome height, and head gasket thickness. Even the accepted piston list shows a difference between years.

But details like that don't matter to some because he is a "stand up young man".

P.S. to FLEMING....No mention of radiator cap specs could be found but I believe there maybe a rule on valve stems.

08-17-2009, 05:01 PM	#52
Jason Member Join Date: Jul 2003 Posts: 235 Likes: 0 Liked 6 Times in 4 Posts	Re: Bogacki DQ Big Show, take a look at the class guide and engine specs. You will find a few differences between 68/69/70 are classes allowed to run, engine cubic inch, cylinder bore size, exhaust valve size, head cc, piston dome cc, piston dome height, and head gasket thickness. Even the accepted piston list shows a difference between years. But details like that don't matter to some because he is a "stand up young man". P.S. to FLEMING....No mention of radiator cap specs could be found but I believe there maybe a rule on valve stems.