Subject	Wrong, lower compression+boost is easier on engine
Posted by	Chip on August 21, 2001 at 3:03 PM
	This message has been viewed 35 times.
In Reply To	a) (> HP) = (> Stress) (n/m) posted by Barry'Z(FtLee,NJ) on August 21, 2001 at 02:41 PM
Message	than high compression + NOS. peak cylinder pressure is way higher with high compression + NOS. Average cylinder pressure is greater, but peak is less with lower compression + boost. Cylinder pressure vs. crankshaft postion(degrees before/after TDC) would look like a V8 torque curve for a turbo engine. i.e. a broad but lower peaking graph. The graph for a high compression NA (cylinder pressure again) would look more like a high HP turbo torque curve, large peak but no very broad, even though both could have the same average pressure or "area under the curve", giving similar HP #s. Later, Chip
Follow Ups	which causes more stress to the engine?? >> - maverick (NYC) 14:37:11 08/21/01 C. a woman driver...... - HÅLÖ½ 14:40:18 08/21/01 Yes but, - Barry'Z(FtLee,NJ) 14:49:09 08/21/01 did u miss the part about the NOS? (n/m) - HÅLÖ½ 14:52:18 08/21/01 Does NOS add to the pressure of the Air/Fuel >>> - Barry'Z(FtLee,NJ) 15:04:03 08/21/01 It increases the o2 concentration which creats the bigger >> - wesman [92TT-less ] 15:09:20 08/21/01 =-) (n/m) - HÅLÖ½ 15:43:54 08/21/01 But isn't it the even bigger explosion in the TT >>> - Barry'Z(FtLee,NJ) 19:15:48 08/21/01 face it.. it's like 10 to 1. (n/m) - HÅLÖ½ 19:44:52 08/21/01 Uncle, Uncle ... lol, I'll have to do some real research. (n/m) - Barry'Z(FtLee,NJ) 20:31:20 08/21/01 Add the NOS to the equation..I think your answer will change (n/m) - wesman [92TT-less ] 15:01:49 08/21/01 not true- Nat's Z is parked, mine is not :P (n/m) - ZX KIM 15:04:40 08/21/01 :( ..... (n/m) - ZX NAT (Dallas) 15:09:46 08/21/01 is yours not running? (n/m) - snave 15:32:49 08/21/01 that's cuz u just your D and R are working. not the P or n - HÅLÖ½ 15:42:41 08/21/01 a) (> HP) = (> Stress) (n/m) - Barry'Z(FtLee,NJ) 14:41:21 08/21/01 that's the issue in both cases (n/m) - wesman [92TT-less ] 14:54:29 08/21/01 Wrong, lower compression+boost is easier on engine - Chip 15:03:12 08/21/01 b. - toyluvr 14:47:16 08/21/01 Seconded. (n/m) - VeeZee 15:06:53 08/21/01 Best answer inside: - chivas 15:25:44 08/21/01 b. gotta love mav making it easy for us to respond! lol (n/m) - thunderZ 15:48:16 08/21/01 The one that is going to ping more ... (n/m) - PLEAZURE in CA (SD) 16:47:22 08/21/01 B, based on equal usage time. - SeedyRom 17:03:36 08/21/01 Er, especially with equal usage time. (n/m) - SeedyRom 17:42:43 08/21/01
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