Subject	So the bottom line is
Posted by	Tektrader69 on October 20, 2005 at 6:40 PM
	This message has been viewed 102 times.
In Reply To	I am starting to see where we are going with this discussion posted by Tektrader69 on October 20, 2005 at 06:23 PM
Message	removing the restrictions in the engine has meant that the exhaust charge has a much lower temperature now than before. So the amount of boost PSI we have to run to to develop the same power is now lower. Any turbo graph with PSI on the lower scale is useless if it doesnt have a temperature associated with it making comparisions useless. The Lbs/min and the exhaust volume lines on my graph are still correct. But as we all refer to PSI without any reference to temperature. The PSI conversion that we may place against the lbs/min scale are not static and move up and down the axis depending on temperature of the exhaust (and thefore exhaust volume) Does that sum it up Greg? I have learnt something today :D
Follow Ups	More on Seb's car and the GT28RS..... - Greg D. (Specialty-Z) 15:47:17 10/20/05 Now your talking about flowing more air and all - suprakillinz(boulder soon) 15:50:30 10/20/05 If the intercooler piping was the choke in the system ...... - Greg D. (Specialty-Z) 18:21:18 10/20/05 Now what if Seb had turbos more along the lines of a - suprakillinz(boulder soon) 23:04:47 10/20/05 Good info man. I think that clears it up for many. (n/m) - CrazyGreek 15:52:53 10/20/05 I understand what BSFC is, but what were your numbers to - Scotts94z32 16:02:14 10/20/05 agreed, i was thinking the same thing. - nixit 16:07:10 10/20/05 850s maybe? That would put him nearer .55 BSFC. (n/m) - Scotts94z32 16:20:22 10/20/05 I think you are confusing injector size with the amount of - Greg D. (Specialty-Z) 19:41:05 10/20/05 nope. just plugging in the known values to generate the BSFC - nixit 19:50:26 10/20/05 Incorect Sir............ - Greg D. (Specialty-Z) 20:04:30 10/20/05 Nix bangs head on table. - nixit 20:51:27 10/20/05 :-p cool cool......... - Greg D. (Specialty-Z) 21:13:38 10/20/05 BTW.....we would be looked upon with great admiration - Greg D. (Specialty-Z) 19:47:28 10/20/05 agreed. which is why i was kind of questioning your #s. - nixit 19:52:03 10/20/05 From Garrett's web site..... - Greg D. (Specialty-Z) 17:36:21 10/20/05 well said (n/m) - aliaZ 16:11:15 10/20/05 ah.... math... bad - PennStateZ 16:15:20 10/20/05 Oh yeah? If a train was traveling north at 84 mph - ssm300z 16:22:44 10/20/05 question on Seb's car... - JaffaUK 16:55:14 10/20/05 Re: question on Seb's car... - Greg D. (Specialty-Z) 17:42:26 10/20/05 thank you (n/m) - JaffaUK 02:10:04 10/21/05 could you tell us who it was? I need some head work! (n/m) - greyzx 14:11:06 10/21/05 Now I know why I can't hit 28 psi on my turbos. :-( (n/m) - Spongerider :) 17:24:22 10/20/05 Is that why turbo v8 cars can make more power >> - Shawn Lane(no more SL103 ;-) 17:31:36 10/20/05 Re: Is that why turbo v8 cars can make more power >> - Greg D. (Specialty-Z) 17:43:34 10/20/05 Not really, nor are the details of yours ;-) - boileralum 18:36:30 10/20/05 I think it just says he drives a Pathfinder... - aggiez32 19:56:00 10/20/05 So, with that said...when are YOU upgrading your cams? (n/m) - Fuzznutz 17:32:46 10/20/05 It is on the to do list :-) I have to find the time. (n/m) - Greg D. (Specialty-Z) 17:44:43 10/20/05 Do you think seb's car is exceeding 100% VE? - maglito 17:41:02 10/20/05 the "new" and unverified chart - maglito 17:42:45 10/20/05 Here is what I do know........ - Greg D. (Specialty-Z) 18:05:05 10/20/05 Thank you for your candid responses Greg (n/m) - maglito 21:04:39 10/20/05 I am struggling to understand the concept that Greg - Tektrader69 17:57:24 10/20/05 See even if the engine flows better due to porting etc - Tektrader69 18:03:46 10/20/05 I am starting to see where we are going with this discussion - Tektrader69 18:23:47 10/20/05 How do you edit posts on the SOB ?? (spelling mistakes) (n/m) - Tektrader69 18:27:36 10/20/05 EXACTLY!!! Thank You! (n/m) - Greg D. (Specialty-Z) 18:37:48 10/20/05 So the bottom line is - Tektrader69 18:40:43 10/20/05 I believe you have a better understanding with what you have - Greg D. (Specialty-Z) 19:02:19 10/20/05 Question ? - Slowninja(GT28RS Inconel Z) 20:12:05 10/20/05 Greg Bangs head on table!!!!!!!!! - Greg D. (Specialty-Z) 20:24:33 10/20/05 I appreciate you ..well .. dumming it down or trying to - Slowninja(GT28RS Inconel Z) 20:32:34 10/20/05 Feels like my dad teaching me math as a kid LOL :) (n/m) - Slowninja(GT28RS Inconel Z) 20:33:14 10/20/05 LOL! - Greg D. (Specialty-Z) 21:03:57 10/20/05 No Problem - Greg --thanks for showing patience. - Slowninja(GT28RS Inconel Z) 21:50:16 10/20/05 Im not sure the discussion here points to either map being - maglito 22:04:20 10/20/05 Mag, put your money on the original map. - Ash's Z 03:23:21 10/21/05 So you talked to Garrett and worked it all out with them? - Seb (Specialty-Z) 10:03:39 10/21/05 I haven't spoken with them, no. I dont have to in order - Ash's Z 15:17:12 10/21/05 I didn't know EGT's and intake charges were directly - maglito 21:47:53 10/20/05 No probs Maglito. I am learning as well - Tektrader69 23:35:28 10/20/05 They aren't. There are many more factors involved between - Ash's Z 03:21:36 10/21/05 NO. You can't make such an assumption. - Ash's Z 03:17:17 10/21/05 I am sure there are a lot more variables Ash - Tektrader69 06:58:45 10/21/05
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