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How can you tell?

Posted By: 91_gta On: 01-04-2008 @ 00:10:01         Reply | Edit
How can you tell if the piston is forged or cast or what ? Any clues

Cause im looking for a .30 over 305 piston that is forged but I dont know if these are or not.

http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&ih=015&sspagename=STRK%3AMEWA%3AIT&viewitem=&item=250130224894&rd=1,1

And why do these look like they do? Are they not a flattop piston? any imput would be great.
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305 Tpi, 100 shot,3.73 gears,1.6rr, mostley stock
13.994 @ 101 best 1/4 (2.4 60' time)
Posted By: Shift On: 06-19-2007 @ 11:04:09     Reply | Top | Edit
The look cast to me but I dunno.
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▌EyeBalled.net - A friendly new design community. Coming soon.
▌Chuck Norris doesn't churn butter, he roundhouse kicks the cow and the butter comes straight out.
Posted By: Pocket On: 06-19-2007 @ 17:59:37     Reply | Top | Edit
You have to flip the piston over to see if its cast or not

I cant say for sure by the pics but they look cast


You have some time left, send him a msg
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"If you have complete control over the damned thing, you're not going fast enough." - Carrol Smith
Posted By: 91_gta On: 06-19-2007 @ 19:07:36     Reply | Top | Edit
When they flip it over what do I look for???


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305 Tpi, 100 shot,3.73 gears,1.6rr, mostley stock
13.994 @ 101 best 1/4 (2.4 60' time)
Posted By: Brad89IROCZ On: 06-20-2007 @ 20:02:31     Reply | Top | Edit
Read the auction, it says right in the description that they are cast.
You are looking at a NEW set of 8 Chev 305 .030 pistons and are NEW in the box. These would be great for that 305 SBC rebuild.Cast pistons.NO Reserve !! Please look at my other auctions!

Posted By: Shift On: 06-20-2007 @ 21:02:54     Reply | Top | Edit
They look like they were in a sand mold or w/e, not forge pressed.
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▌EyeBalled.net - A friendly new design community. Coming soon.
▌Chuck Norris doesn't churn butter, he roundhouse kicks the cow and the butter comes straight out.
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If it looks (c) it probably is - All work done by James Hogan