Subject	you can measure CR
Posted by	Janders on August 31, 2003 at 1:41 PM
	This message has been viewed 86 times.
In Reply To	how many cc is removing the spark plug boss worth? posted by aliaZ (IC Nazi) on August 31, 2003 at 09:25 AM
Message	compression test and divide by atmospheric. I mathematically compared my CR due to combustion chamber size(10.7X), and compared it with my measured results(10.78). Of course you can use 14.7(what's the complete number?) although it should give relatively accurate readings as long as you're somewhat close to sea level and not at extreme temperatures. If you can get an actual atmospheric reading where you are at this would probably be best(You may be able to use inches mercury compared to sea level (29.92))
Follow Ups	Compression Ratios - Carlos Ramirez 00:41:46 08/31/03 good information, was always curious about that :) (n/m) - Chickan_Z (OH) 00:57:14 08/31/03 Bookmarked...Thanks! (n/m) - TheTwinZ (Peru) 02:04:32 08/31/03 2nd that.. should be on FAQ page..:) (n/m) - excessive101 02:05:03 08/31/03 Interesting post - Blipman (Australia) 02:20:12 08/31/03 That would be 8.8:1 - Carlos Ramirez 08:53:41 08/31/03 My bad - Blipman (Australia) 02:05:32 09/01/03 how many cc is removing the spark plug boss worth? - aliaZ (IC Nazi) 09:25:04 08/31/03 if you have our heads out you can simply measure the - Carlos Ramirez 09:45:48 08/31/03 Is that a good idea to remove? Why is it there? (n/m) - AshsZ of Z1Motorsports.com 09:47:23 08/31/03 Well the biggest advantage to removing the boss - Carlos Ramirez 10:19:47 08/31/03 looks a lot smoother than mine but - Halo Z 10:58:55 08/31/03 I won't be using 6b-11b's :-) - Carlos Ramirez 11:03:46 08/31/03 i didn't say b-11bs. i know they would too long. ;) - Halo Z 11:27:14 08/31/03 Does NGK produce a copper plug without the projected tip? - AshsZ of Z1Motorsports.com 11:38:43 08/31/03 yes, kyle posted them back a few years ago. try search. (n/m) - Halo Z 12:19:34 08/31/03 you can measure CR - Janders 13:41:42 08/31/03 I had the understanding that the piston manufacturer - AshsZ of Z1Motorsports.com 12:08:50 08/31/03 whats the latest on doolz? When will it be available? (n/m) - aliaZ (IC Nazi) 12:30:14 08/31/03 My understanding as well....... - RSR 13:04:45 08/31/03 Yep, but we will let Carlos "The Winded Teacher" Ramierez - AshsZ of Z1Motorsports.com 13:30:36 08/31/03 LOL winded .. pot calling kettle black. (n/m) - Carlos Ramirez 14:53:38 08/31/03 I hope you realize that response was in jest of you calling - AshsZ of Z1Motorsports.com 15:17:32 08/31/03 and atleast spell my name correctly.. - Carlos Ramirez 15:10:57 08/31/03 Its spelled "winded".. ;-) - AshsZ of Z1Motorsports.com 15:14:55 08/31/03 didn't say the manufatures didn't do it.. - Carlos Ramirez 14:54:14 08/31/03 LOL, "Long story short.." Order pistons with desired C.R. - AshsZ of Z1Motorsports.com 15:13:37 08/31/03 no I meant you fill find my flow numbers - Carlos Ramirez 15:34:06 08/31/03 I know what you meant... i just didn't find anything - AshsZ of Z1Motorsports.com 15:38:29 08/31/03 here you go - Carlos Ramirez 16:23:59 08/31/03 Nice numbers, I think. I have no idea what they flow in - AshsZ of Z1Motorsports.com 16:49:41 08/31/03 it would be nice to have those others numbers - Carlos Ramirez 19:40:11 08/31/03
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