Subject	>>>>>>>>>
Posted by	YellowZXTT on August 15, 2002 at 1:41 PM
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In Reply To	HKS GT2530 users, tell me about the "lag"...... posted by Woody75 (Denver) on August 15, 2002 at 01:26 PM
Message	I have the same problem as you - turbo selection. No doubt the 2530's will have more lag than stock but the question is how much more. Ball bearing turbos benifits are in transient boost response not in spool. Essentially if you took 2 identical turbos and you made one ball bearing the bb one would spool only slightly faster but it would not have as much lag between shifts and with take more thrust bearing loads than a typical bushing turbo. The 2530's flow about 50 cfm each less than the 16 g's used on TD05 kit. they spool significantly quicker and they have the potential to flow about 100 hp over the sport 500's. They key to make them work well is to have WELL ported exhaust manifolds, headwork and cams. Not to mention a goo dp / tp combo. As for Gregs 2 pipe dp - the concept has been proven on DSM's where the wastegate is divorced all the way thru the O2 housing and they only mate just before the downpipe. Ideally you should have a external w/g mounted on the exhaust manifold that dumps back into the downpipe. Since space is a convern that might not be the best way in a Z. Harry " If it doesn't make it faster, i don't care "
Follow Ups	HKS GT2530 users, tell me about the "lag"...... - Woody75 (Denver) 13:26:35 08/15/02 Re: HKS GT2530 users, tell me about the "lag"...... - ZHOUND 13:33:24 08/15/02 As I've said before... - RezidentEvil 13:39:26 08/15/02 lag is difficult to tell from the passenger seat. - Bernie 13:49:56 08/15/02 That's what someone else said too... - RezidentEvil 13:52:06 08/15/02 Agree, you can't tell lag when passenger (n/m) - MikeH(Twin GT35BB Incon Z) 14:35:02 08/15/02 No,no,no. I know Sport 500's won't do 500 rwhp. - Woody75 (Denver) 13:59:51 08/15/02 Actually. - ZHOUND 16:34:45 08/15/02 >>>>>>>>> - YellowZXTT 13:41:07 08/15/02 BB vs non-BB - ZHOUND 17:04:19 08/15/02 here's some dyno comparisons and seat of pants ones too... - Bernie 13:55:31 08/15/02 sorry, here's the dyno... - Bernie 13:56:36 08/15/02 Hmm, well I'll be running pump gas 99% of the time. - Woody75 (Denver) 14:12:57 08/15/02 All your GT2530 are belong to us - infinity* 14:21:08 08/15/02 The verdict is in!!! Tim's gonna go with T-28s!!! - infinity* 15:03:41 08/15/02 Here's my Sport 600 dyno(huge pic, sorry) - SilverTwin(OH) 14:31:39 08/15/02 Should be smaller now (n/m) - ImTheDevil 14:45:19 08/15/02 Your 600s spoolup about the same as Bernie's 2530s. - sparkie 15:01:38 08/15/02 Isn't he also running 3psi more on the 600's?? - infinity* 15:05:17 08/15/02 He's talking about the boost curve, not peak boost. (n/m) - SilverTwin(OH) 15:11:03 08/15/02 Woody (Tim) made me post it :) It's HIS bad!! (n/m) - infinity* 15:55:05 08/15/02 The 2530 is definitely laggier than the stock twin - timz 14:40:23 08/15/02 There's a good part about sport500. - ZHOUND 16:56:42 08/15/02
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