Subject	Overfilling does cause more difficult shifting...
Posted by	Greg D. (Specialty-Z) on May 05, 2014 at 10:06 AM
	This message has been viewed 323 times.
In Reply To	I have mine overfilled to just below the middle of the fill posted by HighPsi (NorCal) on May 04, 2014 at 12:45 PM
Message	More oil tends to cause more drag meaning more work for the syncro, this is one reason why overheating the trans is harder on it, the fluid expands with heat causing a higher fill level leading to more difficult shifting. Also higher heat cause the fluid to have less ability to lubricate.
Follow Ups	boom - aliaZ 19:08:55 05/03/14 Nice.. - ztunerz 19:35:20 05/03/14 Mine won't go into reverse. (n/m) - Dustin 22:33:00 05/03/14 no reverse may be easy - SeanK (StL) 10:50:56 05/05/14 Thanks Sean. - Dustin 11:07:47 05/05/14 Normally just the aluminum shift fork... - Greg D. (Specialty-Z) 09:05:41 05/05/14 Great, so maybe all is not lost. Just have to rip it - ztunerz 11:15:02 05/05/14 Impressive. (n/m) - spicyZ 21:21:31 05/03/14 Re: boom - cygate 23:14:00 05/03/14 yes.... the counter shaft is 1 peice so just 3rd gear cannot - Zvil (FL) 00:03:25 05/04/14 Why not hellical dog engagement gears? - puchy 17:53:11 05/04/14 Helical is great for noise - Zvil (FL) 18:56:50 05/04/14 The whine would drive me crazy. but if it is a race only - puchy 23:01:27 05/04/14 Welllll - Zvil (FL) 05:25:56 05/05/14 Damn. What other clutch is a good option @ that power level? - bartz32tt 23:52:25 05/03/14 I think drag racing is going to be hard on the drivetrain - aliaZ 08:23:42 05/04/14 I know, just shocked - given the manner in which it failed. - bartz32tt 09:28:19 05/04/14 I had a SZ High-5 explode on me at the track only at ~400whp - sdhsbaseball 17:55:28 05/04/14 Re: I had a SZ High-5 explode on me at the track only at ~400whp - Greg D. (Specialty-Z) 09:58:40 05/05/14 South Bend Clutch.... - BOOZTD 3 23:16:41 05/04/14 That's a good endorsement. Can't seem to find it on Zspeed. - bartz32tt 09:36:48 05/05/14 Mine isn't listed - BOOZTD 3 15:08:26 05/05/14 RPS - Greg D. (Specialty-Z) 09:45:26 05/05/14 Thanks for clarifying.... - BOOZTD 3 13:51:51 05/05/14 +1 for SouthBend and Joe - FlawleZ (San Antonio) 22:11:42 05/05/14 High 5 Clutch - Greg D. (Specialty-Z) 09:40:12 05/05/14 I'm very happy with the hi-5. Another thing to consider - Turbodog (CT) 21:39:57 05/05/14 Can cooling have a positive effect? - Zvil (FL) 23:57:16 05/03/14 After a handful of track days mine wasn't shifting smooth - Turbodog (CT) 06:53:54 05/04/14 what fluid are you running? (n/m) - Attridge_300ZX 07:01:20 05/04/14 Redline MT90 (n/m) - Turbodog (CT) 12:56:50 05/04/14 sure it can - aliaZ 08:36:17 05/04/14 ding ding ding (n/m) - Greg D. (Specialty-Z) 10:19:32 05/05/14 Agreed !!! For guys that road race it's best to build some - ztunerz 11:25:48 05/05/14 I would be interested to see what the needle bearings - HighPsi (NorCal) 10:19:20 05/04/14 I always found that over filling would lead to grinding of - sfarrah 11:04:48 05/04/14 I have mine overfilled to just below the middle of the fill - HighPsi (NorCal) 12:45:05 05/04/14 Overfilling does cause more difficult shifting... - Greg D. (Specialty-Z) 10:06:15 05/05/14 same thing happened to me on road course...boom! - ZonaZ 10:26:25 05/04/14 John was running a sprung hub Kevlar clutch..... - Greg D. (Specialty-Z) 14:59:17 05/05/14 maybe that's why my tranny started whining shortly... - arrowenterprises 14:20:51 05/04/14 High 5 has a lot of drivetrain noise transfer. May be normal - dvice 07:47:16 05/05/14 Aluminum flywheels, and solid hub disc's - Greg D. (Specialty-Z) 09:12:57 05/05/14 Noticed this too, kinda depends on dumb luck, some driveline - ztunerz 11:28:42 05/05/14 Has to do with how well the trans is set up..... - Greg D. (Specialty-Z) 11:52:54 05/05/14 are they still in spec? Or do the 98+ transmissions have a - aliaZ 16:15:55 05/05/14 I do not have the specs on the 98+ - Greg D. (Specialty-Z) 20:37:39 05/06/14 thanks - aliaZ 15:33:54 05/07/14 so you're saying all this time i thought my tranny was going - arrowenterprises 21:25:22 05/05/14 Looked back, I emailed the same info to you June 2012 (n/m) - Greg D. (Specialty-Z) 20:35:26 05/06/14 Re: Hi Don........... - Greg D. (Specialty-Z) 09:00:30 05/05/14 Hi Greg! - aliaZ 10:24:33 05/05/14
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