Subject	Most wideband O2 used on dynos are not calibrated >
Posted by	kuah@splparts.com on March 12, 2003 at 12:45 PM
	This message has been viewed 89 times.
In Reply To	Ahhh. Hard to say which to believe when they dont agree.. posted by AshsZ (FABio) on March 12, 2003 at 12:08 PM
Message	they develop offset/drift errors over time and can be off by as much as 1 A/F point. The Motec unit has a free-air calibration feature I believe, I would trust the Motec...
Follow Ups	New dyno sheets. - ZHOUND 11:36:24 03/12/03 Weak! :-) - TARGETZ 11:42:47 03/12/03 Ahh, the ever elusive 500# at 5K rpm. That is my goal - Chip(GinnMotorsports) 11:45:24 03/12/03 Sweet sassy molassy! (n/m) - MatD 11:45:27 03/12/03 that about sums it up. (n/m) - genic 12:21:18 03/12/03 Awesome bro! Lemme play with your PowerFC when you get it :) - SeedyROM 11:46:33 03/12/03 Check email :-) - ZHOUND 12:05:16 03/12/03 And when you get yours we can bust 2-player! - KILLR300ZX 14:54:10 03/12/03 Time for a FMIC:-) Also, is the exhaust that quiet on the s, - George(boostsolutionsinc.net) 11:47:33 03/12/03 It's not crazy loud, but it's mean loud :) (n/m) - SeedyROM 11:51:29 03/12/03 My little sleeper. (n/m) - ZHOUND 12:05:54 03/12/03 Another thing, set some new wastegate springs - Chip(GinnMotorsports) 11:48:58 03/12/03 Yeah. The wastegate duty cycle is even maxed out right now. - ZHOUND 11:54:51 03/12/03 You can use jets in the line to broaden the boost control - AshsZ (FABio) 12:01:15 03/12/03 What's up with the 49.46 rpm/mph? Most sheets on TTZD are at - my91z 11:57:01 03/12/03 As long as the dyno was electrically tied into a plug line - AshsZ (FABio) 12:16:13 03/12/03 So then what about my NA's 224.9 RWHP dyno run? >> - my91z 12:55:58 03/12/03 Very nice numbers man! Looks like you were suffering - AshsZ (FABio) 11:59:17 03/12/03 Two wideband o2 sensors. - ZHOUND 12:04:01 03/12/03 Ahhh. Hard to say which to believe when they dont agree.. - AshsZ (FABio) 12:08:28 03/12/03 Most wideband O2 used on dynos are not calibrated > - kuah@splparts.com 12:45:25 03/12/03 When you put the sensor in the tail pipe you will get a - MikeH(Twin GT35BB Incon Z) 17:17:57 03/12/03 Congrats Zo. Keep pluggin for 700 (n/m) - Todd@Z1 Motorsports 12:49:12 03/12/03 Awesome, very impressive numbers. (n/m) - Sportzcoop 12:08:24 03/12/03 Great numbers, Zo. You've 'raised the bar' in the US - Kevin (CA) 12:15:31 03/12/03 Thanks dude. - ZHOUND 12:18:01 03/12/03 Great numbers - StephenH (California) 12:16:16 03/12/03 Very nice, Zo! (n/m) - boileralum00 12:19:27 03/12/03 Re: New dyno sheets. - ZRO 12:23:38 03/12/03 Lag - ZHOUND 12:32:21 03/12/03 Nice!! something to look foward to:) (n/m) - Russ ZTT (Jax, Fl) 12:25:30 03/12/03 Great numbers, how many PSI of boost for each run? (n/m) - MikeH(Twin GT35BB Incon Z) 12:32:21 03/12/03 21psi/24psi. (n/m) - ZHOUND 12:36:22 03/12/03 Very nice! awesome numbers dude. (n/m) - Spee 12:33:05 03/12/03 That is just Awesome, think i need a set of TDO5'S ;) - gtclk 12:33:52 03/12/03 Sweet numbers Zo! - Arthur 12:35:17 03/12/03 Comparison, 18G vs. 18G - Chip(GinnMotorsports) 12:43:28 03/12/03 It's all about that area under the curve - U ZCREAM (Back in Action) 12:44:52 03/12/03 Yes, but stock manifolds do not flow what a Greddy manifold - Chip(GinnMotorsports) 13:26:12 03/12/03 So as of now there aren't any manifold options other than - U ZCREAM (Back in Action) 13:33:26 03/12/03 Pentroof manifolds can be ordered for ANY turbo - kuah@splparts.com 13:53:18 03/12/03 Yep, yep, there is one 1420?pentroof car being finished - Chip(GinnMotorsports) 14:00:45 03/12/03 Thanks, good to know (n/m) - U ZCREAM (Back in Action) 15:44:02 03/12/03 The dip. - ZHOUND 12:46:21 03/12/03 I think that's the larger cams showing up > - kuah@splparts.com 12:50:03 03/12/03 Another observation, aren't most of these build motors - Chip(GinnMotorsports) 13:23:05 03/12/03 hmmm.. not sure... Yacoub's dyno looks good to me - kuah@splparts.com 14:05:37 03/12/03 Yeah, his car is badass. - ZHOUND 16:40:37 03/12/03 How many Z's are above the 600rwhp bar? (n/m) - ZRO 12:59:10 03/12/03 I have 3 dyno results, and TTPETE did over 590 rwhp. (n/m) - Chip(GinnMotorsports) 13:24:01 03/12/03 Actually you really can't compare the charts---> - Kyle(Houston) 21:04:03 03/12/03 Congrats...great #s !! (n/m) - Chris(NJ) 12:44:59 03/12/03 Oh yea!! (n/m) - Spongerider (Now Power FC) 12:48:36 03/12/03 Great numbers Zo! Also very interesting dyno > - kuah@splparts.com 12:53:07 03/12/03 Yeah. - ZHOUND 12:58:55 03/12/03 New valve springs aren't that much :) > - kuah@splparts.com 13:14:49 03/12/03 Very nice man. - degradated 13:23:34 03/12/03 Re: Very nice man. - ZHOUND 13:42:35 03/12/03 Absolutely. Did the same on mine on the dyno versus track. (n/m) - SeedyROM 13:49:54 03/12/03 some dynos can put an actuarial "load" onto your run>> - Todd@Z1 Motorsports 14:41:04 03/12/03 Yep, though we haven't had good luck with them :( - SeedyROM 22:23:18 03/12/03 Hopefully, there will be one here locally soon (more)>> - Mike (Austin) 13:54:38 03/13/03 2nd (n/m) - Spee 14:33:00 03/12/03 SCC "Project Z" dont got jack on you brah. =) - AshsZ (FABio) 13:39:53 03/12/03 Sadly, that car just can't be used as our measuring stick - SeedyROM 13:48:04 03/12/03 I agree, even though it made awesome torque numbers, - Chip(GinnMotorsports) 13:58:11 03/12/03 Hey Zo, I'd be willing to host the vids - Playboy 15:24:49 03/12/03 Seedy already did, thanks. (n/m) - ZHOUND 15:48:18 03/12/03 nice-glad 2 see you hit some nice #'s-its confidence inspiri - Wagz 15:45:54 03/12/03 what kind of bovs do you have? (n/m) - down5hift 16:12:33 03/12/03 HKS SS (n/m) - ZHOUND 16:19:34 03/12/03 The first 500rwhp is easy to do on the Z the next 100hp - MikeH(Twin GT35BB Incon Z) 16:33:30 03/12/03 Only if you don't want to use nitrous. - ZHOUND 19:11:15 03/12/03 Are you running stock fuel pump and lines? Any EGT - MikeH(Twin GT35BB Incon Z) 16:53:28 03/12/03 Yes. - ZHOUND 17:30:16 03/12/03 Are your egts in before the turbos? What egts readings - MikeH(Twin GT35BB Incon Z) 17:41:27 03/12/03 Sounds low to me, too. Where are your probes, Zo? (n/m) - Mike (Austin) 13:41:27 03/13/03 Here. - ZHOUND 13:59:50 03/13/03
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