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compression #1053351 08/15/11 10:45 AM 08/15/11 10:45 AM
Joined: Feb 2009 Posts: 1,274 Ontario.Canada C can.al OP pro stock
can.al OP pro stock C Joined: Feb 2009 Posts: 1,274 Ontario.Canada	..what is your actual cylinder pressure vs your calculated compression ratio?

Re: compression [Re: can.al] #1053352 08/15/11 11:26 AM 08/15/11 11:26 AM
Joined: Jun 2003 Posts: 52,972 Romeo MI MR_P_BODY Master
MR_P_BODY Master Joined: Jun 2003 Posts: 52,972 Romeo MI	Quote: ..what is your actual cylinder pressure vs your calculated compression ratio? That will change with different cams and where they have it installed at

Re: compression [Re: can.al] #1053353 08/15/11 09:13 PM 08/15/11 09:13 PM
Joined: Mar 2008 Posts: 5,746 Ontario, Canada Dodgem master
Dodgem master Joined: Mar 2008 Posts: 5,746 Ontario, Canada	My old 452 with SR heads and an ultadyne cam solid 263/271 had 195 to 205 cranking was 11.75 to 1 and would run on 94. MY RIP 540 same heads had 11.7 to 1 274/282 roller 165 cranking easy 94. my current 452 same heads has 11.8 to 1 272/282 roller 165 cranking (have to recheck it) easily runs 94. shift RPM 7600 to 7800! All numbers @ .050

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