Subject	You should also consider the weight and noise difference
Posted by	Inzane on June 24, 2008 at 4:11 PM
	This message has been viewed 133 times.
In Reply To	That makes sense. If you're going straigt from stock though, posted by Z_Cherub on June 24, 2008 at 03:55 PM
Message	between a 2.5" vs. 3" catback as well. If the 3" catback happens to be louder, heavier and more expensive than it's 2.5" counterpart, for negligible gains that doesn't seem worth it to me. Inzane (formerly Z-Jay)
Follow Ups	How much boost would you run with my set-up? - robo (sebring1970) 08:06:24 06/24/08 Pump gas being 91 or 93? - MixManMash 08:09:58 06/24/08 I can get 92 or 93 pretty easily around here. - robo (sebring1970) 08:16:11 06/24/08 For that Timing and 93 octane 15 to 16 PSI (n/m) - Bernie (NoVA) 08:15:21 06/24/08 more opinions welcomed :c) - robo (sebring1970) 11:00:14 06/24/08 Have you talked to Greg D. yet? (n/m) - Bernie (NoVA) 11:12:31 06/24/08 spoke to Seb. he mentioned 15 psi on 91 octane - robo (sebring1970) 13:48:35 06/24/08 I was thinking exactly the same thing - ConVerTT 13:08:51 06/24/08 according to Seb, the 530's are not that much bigger over - robo (sebring1970) 13:59:07 06/24/08 IMHO - the logic in your last sentance is backwards. - Bernie (NoVA) 14:05:12 06/24/08 I was assuming the same 93 octane on the track. - robo (sebring1970) 14:16:21 06/24/08 The car is capable of running more then 15lbs of boost. Your - Bernie (NoVA) 14:27:25 06/24/08 I had the nozzle in my filler cap at Sebring last time - robo (sebring1970) 15:03:02 06/24/08 Not all race gas is leaded. (n/m) - Bernie (NoVA) 15:12:15 06/24/08 figured as much but I got scared off (n/m) - robo (sebring1970) 15:15:54 06/24/08 I was running 17psi as the high setting on 93 octane. - Zblackbeast 11:15:31 06/24/08 Forgive my ignorance, but I honestly don't know... - Z_Cherub 12:01:43 06/24/08 It's not over kill - his exhaust is 3" expansion down pipes - Bernie (NoVA) 12:38:40 06/24/08 I see. Thank you. - Z_Cherub 12:55:19 06/24/08 Greg has dynoed cars both ways and from what he told me - Bernie (NoVA) 13:06:21 06/24/08 Good to know. Thanks again, Bernie (n/m) - Z_Cherub 13:33:04 06/24/08 I chose to keep my catback mainly for the reasons - robo (sebring1970) 14:03:34 06/24/08 Would that change if you upgraded to larger turbos? - Z_Cherub 14:26:15 06/24/08 dunno. Upgrading is the last thing on my mind but - robo (sebring1970) 15:00:26 06/24/08 Cool. Have fun with your set-up! (n/m) - Z_Cherub 15:18:20 06/24/08 no (n/m) - aliaZ 15:08:07 06/24/08 :) - Z_Cherub 15:19:14 06/24/08 that would be a waste of money, unless his existing catback - aliaZ 15:50:20 06/24/08 That makes sense. If you're going straigt from stock though, - Z_Cherub 15:55:26 06/24/08 You should also consider the weight and noise difference - Inzane 16:11:45 06/24/08 Good points as well. (n/m) - Z_Cherub 16:16:38 06/24/08 I had not heard those numbers before, but they make my - robo (sebring1970) 16:19:05 06/24/08 Wouldn't 3" DP's and 3" to 2.5" TP's satisfy your needs? (n/m) - jschrauwen 16:21:33 06/24/08 How is that any different than what he already has? - Hiratsuka0689 (ATL) 16:29:59 06/24/08 I'd say you're safe with 17-18psi on 93. - lakerdude42 14:34:38 06/24/08 Central PA. hot summers. (n/m) - robo (sebring1970) 14:59:12 06/24/08 haha hot summers in PA? - lakerdude42 15:54:44 06/24/08 well not as hot as where I grew up in FL but hot enough. - robo (sebring1970) 16:16:46 06/24/08 np, enjoy the new setup! (n/m) - lakerdude42 16:29:44 06/24/08 Be careful. My Z ran lean when I swapped to the 530's - bbug 16:29:59 06/24/08 I run 16-17psi on 93 fuel - Spectrum (WI) 20:45:40 06/24/08
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