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Piston top volume #755810 07/23/10 10:57 AM 07/23/10 10:57 AM
Joined: Mar 2008 Posts: 724 PA USA F flatiron OP super stock
flatiron OP super stock F Joined: Mar 2008 Posts: 724 PA USA	I am trying to figure out the compression ratio on my 360. I'm running KB190-.030 pistons how do I figure out the piton top volume on these.

Re: Piston top volume [Re: flatiron] #755811 07/23/10 01:12 PM 07/23/10 01:12 PM
Joined: Mar 2008 Posts: 5,746 Ontario, Canada Dodgem master
Dodgem master Joined: Mar 2008 Posts: 5,746 Ontario, Canada	http://www.kb-silvolite.com/kb_car/performance.php?action=details&P_id=15 means you subtract 1.2 cc to total of gasket and head CC. this is before any machining to give proper quench say you mill nothing if you have 72 cc head and 8 cc for a composition gasket 72 + 8 - 1.2 = 78.8 compression chamber volume so 9.7 to 1. Only real way to tell is down fill a cylinder and actually cc heads. Last edited by Dodgem; 07/23/10 01:14 PM.

Re: Piston top volume [Re: flatiron] #755812 07/23/10 04:45 PM 07/23/10 04:45 PM
Joined: Jan 2003 Posts: 9,146 Now - Port Orange,Fla. Former... MIKES_DUSTER master
MIKES_DUSTER master Joined: Jan 2003 Posts: 9,146 Now - Port Orange,Fla. Former...	Quote: I am trying to figure out the compression ratio on my 360. I'm running KB190-.030 pistons how do I figure out the piton top volume on these. Curious what you came up with??? Can ya tell us more about your 360???

Re: Piston top volume [Re: MIKES_DUSTER] #755813 07/23/10 04:51 PM 07/23/10 04:51 PM
Joined: Jan 2003 Posts: 9,146 Now - Port Orange,Fla. Former... MIKES_DUSTER master
MIKES_DUSTER master Joined: Jan 2003 Posts: 9,146 Now - Port Orange,Fla. Former...	That only works with a .030 piston...What if you have .040 piston???

Re: Piston top volume [Re: MIKES_DUSTER] #755814 07/24/10 01:17 AM 07/24/10 01:17 AM
Joined: Mar 2008 Posts: 724 PA USA F flatiron OP super stock
flatiron OP super stock F Joined: Mar 2008 Posts: 724 PA USA	Quote: Quote: I am trying to figure out the compression ratio on my 360. I'm running KB190-.030 pistons how do I figure out the piton top volume on these. Curious what you came up with??? Can ya tell us more about your 360??? Mike, Sorry you asked me about my engine build before and I dropped the ball and didn't get back. I will dig out my notes later today and post them. As It's suppose to get up into the ninety's and won't be doing much out in the garage.

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