Subject	8.1 compression
Posted by	Properstyle on February 10, 2013 at 6:50 AM
	This message has been viewed 306 times.
Message	Looking for more insight in regards to compression,after speaking with ash the other night about my build, he stated that instead of going with a 9.1 compression ratio I should have gone with a 8.1 compression ratio. His basis for this was that the higher the compression the more energy is transferred in to mechanical power leaving less to be used to spool turbos there by allowing for less power to be generated by boost. So if any one has some feed back in regards to this
Follow Ups	8.1 compression - Properstyle 06:50:01 02/10/13 What kind of feedback are you looking for? - white22sky 09:43:22 02/10/13 Re: What kind of feedback are you looking for? - Properstyle 11:10:19 02/10/13 the lower your compression ratio is the more space there - Zvil (FL) 12:19:30 02/10/13 I think you'll find most have stuck with stock - white22sky 12:27:38 02/10/13 Re: I think you'll find most have stuck with stock - Properstyle 12:46:33 02/10/13 disagree. Most people with aftermarket pistons are ~9:1 - Antihero 16:48:54 02/11/13 I was actually just looking into this. - AHos(Chicago) 15:29:14 02/11/13 I can see where the confusion is - Zvil (FL) 09:47:10 02/12/13 I went 9.2:1 compression. - Woody75 (Denver) 10:16:55 02/12/13 Definitely agree! More compression is usually better.. - flashstar 14:06:32 02/12/13 yep - aliaZ 21:29:51 02/12/13 I actually just sent you an email about this. - AHos(Chicago) 23:13:13 02/12/13 yep. I'll respond later... (n/m) - aliaZ 06:48:50 02/13/13 No rush. Just checking. Thanks! (n/m) - AHos(Chicago) 09:35:35 02/13/13 Ok no one argues that. - white22sky 09:39:55 02/13/13 I maxed my turbos out (28psi) and I was still fine. - Woody75 (Denver) 09:54:39 02/13/13 28psi? was that on pump gas? (n/m) - Zvil (FL) 10:16:01 02/13/13 No (n/m) - Woody75 (Denver) 10:21:58 02/13/13 28PSI is in the area I was thinking. - white22sky 11:02:44 02/13/13 My reasoning would lead me to believe - Zvil (FL) 12:12:54 02/13/13 ALSO - Zvil (FL) 12:23:48 02/13/13 Yes. - white22sky 13:09:44 02/13/13 yep, and it's also the same reason in a roundabout way - Zvil (FL) 20:01:02 02/13/13 So lower compression makes a more efficient turbo, generally - white22sky 10:22:26 02/14/13 Re: Ok no one argues that. - Properstyle 06:40:39 02/18/13 With today's turbos and breather mods, these cars make boost - zellamay 10:41:13 02/12/13
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