Subject	The table was "rough", only used to show a relationship.
Posted by	AshsZ (Retired) on September 27, 2001 at 1:03 AM
	This message has been viewed 43 times.
In Reply To	and where do you get those stats? posted by 97 S14 on September 27, 2001 at 12:36 AM
Message	The NA can only take about 4psi before detonation. You'll make good power at 4psi on that CR, probably around 350 if I remember the SC NA dyno's a while back. Problem is, you can go any higher. You get more bang for the buck (HP per PSI) but you top out at 350HP. The TT can go much higher, but there is a point where you will detonate and can no longer go up in boost for the same reason as the NA. If you further lower the CR (say to 8.0:1) you will be able to go even higher on the boost (and will need to to make more power than at 8.5:1), but you will not detonate at the same HP output. You will be able to go higher in boost and make more power. But as with everything else, there is a tradeoff. Because you are running such a low CR, if you aren't boosting, the car will be a dog. It will take longer to build the power. But as soon as you start to build boost, it will be faster because you are burning more fuel. My CarPuter Headquarters: [ ashleypowers.com ] agpowers@bellsouth.net
Follow Ups	Pros/Cons of copper head gaskets? - AshsZ (Retired) 22:28:32 09/26/01 copper if most desirable. - nixit(da][as) 22:33:01 09/26/01 I see. Retorque them tho? Pulling plenum is a 12pack ordeal - AshsZ (Retired) 22:35:19 09/26/01 You are really _suppose_ to do that regardless of which hg. (n/m) - DamonH 90TT 22:40:37 09/26/01 yup...more... - nixit(da][as) 22:41:45 09/26/01 Nice. Damon suggests doing stock HG tho, I'm sure it wont - AshsZ (Retired) 22:46:11 09/26/01 the stock Head Gasket is good for 500+ RWHP. - nixit(da][as) 22:50:07 09/26/01 [foot in mouth], 500 may be the real high side...400 = safe (n/m) - nixit(da][as) 22:51:09 09/26/01 yes they are for the Twin Turbo motor.. - Carlos Ramirez 22:51:15 09/26/01 very true. Mal1ce is having his custom made too... - nixit(da][as) 22:52:21 09/26/01 Copper is also cheaper ... once your block is o-ringed. (n/m) - DamonH 90TT 22:41:22 09/26/01 here are a few cons.. from there website - Carlos Ramirez 22:55:21 09/26/01 I mean pros.. duh!! (n/m) - Carlos Ramirez 22:56:48 09/26/01 Is it good to lower the compression, how does that help? (n/m) - 95zTT 23:11:38 09/26/01 It reduces the chance of detonation by lowering the >> - AshsZ (Retired) 23:14:31 09/26/01 UH, i beg to differ... - nixit(da][as) 23:29:58 09/26/01 Why, of course you do. :) >>>> read >>>> - AshsZ (Retired) 00:00:48 09/27/01 Interesting Post. (n/m) - nixit(da][as) 00:12:36 09/27/01 and where do you get those stats? - 97 S14 00:36:43 09/27/01 The table was "rough", only used to show a relationship. - AshsZ (Retired) 01:03:27 09/27/01 There are more factors... >> - MikeeZ 09:20:32 09/27/01 Yup. I didn't mention those factors tho, >> - AshsZ (Retired) 15:43:15 09/27/01 actually by lowering your compression you don't loose that - Carlos Ramirez 06:46:16 09/27/01 Yes. Less compression=less heat of compression. (n/m) - Buzz 04:07:27 09/27/01 Drool Drool. I'm sold, F* it, I'm tearing her apart. (n/m) - AshsZ (Retired) 23:12:53 09/26/01
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