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08-25-2008, 12:29 AM
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Piston question
My buddy just gave me an old set of pistons and I can't seem to find anything about them. They are Badger Domed pistons. The box says 8 P557 and is marked they are 030. These seem to be pretty old as the date is marked Oct 9 1989. If anyone could help me out or knows any info about these that would be great. Thanks.
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08-25-2008, 01:47 AM
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Pistons?
Badger is still in Wisconsin,I would call them and ask.That number seems familar to me,in the 70's I built a 302 Chevy I used a 327 block .030+ over and a 283 steel crank they may be 302 .030+ pistons,had it in a '63 Nova SS that's one car I wish I would have kept!
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08-25-2008, 01:51 AM
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sounds to be one ****** car, thanks for the info
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08-25-2008, 06:32 AM
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They're cast pistons, I don't know the compression rating.
http://www.badgerpistons.com/
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08-25-2008, 06:37 AM
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I'm pretty sure they're not cast, CR has to be at least 12:1 because the dome is pretty big. I will probably just call Badger in a bit though. Thanks.
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08-25-2008, 09:05 AM
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Weird.. I called Badger and Diamond and they both have no clue what they are. The box also had writing that said Diamond Domed pistons but the only other thing these pistons read is DRE-12 in the piston.
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08-25-2008, 09:24 AM
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My best guess would be that the pistons are in the wrong box. P557 is a cast replacement flat-top according to this PAW ad.....
https://secure.pawengineparts.com/sh...0543&catid=363 My other best guess is that you mis-read the box and that it actually says "Diamond Honed", not diamond domed. Diamond Honed would be a manufacturing process statement. However, it does not apply to the pistons you have necessarily, because like I said, they're in the wrong box.
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08-25-2008, 11:37 PM
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Quote:
http://speed.racingjunk.com/post/103...-Cam-Carb.html http://www.diamondracing.net/Diamond2007.pdf
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08-26-2008, 03:35 AM
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I think that nailed it right there. Thanks for the help guys!
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