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synchronizer cones A833 #949591 03/12/11 11:07 PM 03/12/11 11:07 PM
Joined: Feb 2003 Posts: 4,503 NJ 4 440challenger OP master
440challenger OP master 4 Joined: Feb 2003 Posts: 4,503 NJ	I am in the process of rebuilding my a833. I just put all new bearings and syncros in. I just read somehwere that you shoudl sand the synchronizer cones with 120 grit sandpaper. Should i do this? i dont mind taking it apart again if its important. What exactly is the synchronizer cone,which needs to be sanded?

Re: synchronizer cones A833 [Re: 440challenger] #949592 03/13/11 11:08 AM 03/13/11 11:08 AM
Joined: Nov 2003 Posts: 2,715 closer to Canadian beer! torkrules I'm neurotic
torkrules I'm neurotic Joined: Nov 2003 Posts: 2,715 closer to Canadian beer!	I wouldn't worry about it. I didn't do it on mine and it works fine. The cones are the female part that go up against the gear face (which is a male cone)

Re: synchronizer cones A833 [Re: 440challenger] #949593 03/13/11 12:27 PM 03/13/11 12:27 PM
Joined: Jan 2007 Posts: 1,163 NORTHERN VA T THESHAKERPROJECT super stock
THESHAKERPROJECT super stock T Joined: Jan 2007 Posts: 1,163 NORTHERN VA	Quote: I am in the process of rebuilding my a833. I just put all new bearings and syncros in. I just read somehwere that you shoudl sand the synchronizer cones with 120 grit sandpaper. Should i do this? i dont mind taking it apart again if its important. What exactly is the synchronizer cone,which needs to be sanded? Actually you want to sand the male surface (the gear side of the cone ) so that the brass syncro ring grabs it to aid shifting. You do not sand the brass stop rings if new. Last edited by THESHAKERPROJECT; 03/13/11 02:12 PM.

Re: synchronizer cones A833 [Re: torkrules] #949594 03/13/11 02:02 PM 03/13/11 02:02 PM
Joined: Jan 2003 Posts: 10,735 North Dakota 6PakBee I Live Here
6PakBee I Live Here Joined: Jan 2003 Posts: 10,735 North Dakota	Quote: I wouldn't worry about it. I didn't do it on mine and it works fine. The cones are the female part that go up against the gear face (which is a male cone) I think you got that backward. The part you sand in the male cone on the gear. I've done this twice with 220 grit wet-or-dry and it seemed to work. The problem is I don't know of anyone who didn't do it, tried the transmission out, then removed the tranny, sanded the cones, reassembled, and tried it again. "We live in a time when intelligent people are being silenced so that stupid people won't be offended".

Re: synchronizer cones A833 [Re: 6PakBee] #949595 03/13/11 02:49 PM 03/13/11 02:49 PM
Joined: Jan 2003 Posts: 8,940 Holly/MI D Dean_Kuzluzski master
Dean_Kuzluzski master D Joined: Jan 2003 Posts: 8,940 Holly/MI	The reason for those "cones" is to create a friction that slows the synchros so that they can blend with the slotted collar that the shift fork is pushing. Once that surface is glazed/smooth it isn't as effective as something that has a cut surface. The synchro/brass ring/blocking ring inside surface is knurled for this same reason. It's not the teeth that slow the gears to provide a shift. That's called clatter. R.I.P.- Gary "Coop" Davis 02/09/68-05/13/04

Re: synchronizer cones A833 [Re: 6PakBee] #949596 03/13/11 05:05 PM 03/13/11 05:05 PM
Joined: Nov 2003 Posts: 2,715 closer to Canadian beer! torkrules I'm neurotic
torkrules I'm neurotic Joined: Nov 2003 Posts: 2,715 closer to Canadian beer!	Quote: Quote: I wouldn't worry about it. I didn't do it on mine and it works fine. The cones are the female part that go up against the gear face (which is a male cone) I think you got that backward. The part you sand in the male cone on the gear. Didn't say you had to sand anything. Just pointed out what the cones are.

Re: synchronizer cones A833 [Re: torkrules] #949597 03/13/11 05:59 PM 03/13/11 05:59 PM
Joined: Jan 2003 Posts: 10,735 North Dakota 6PakBee I Live Here
6PakBee I Live Here Joined: Jan 2003 Posts: 10,735 North Dakota	Quote: Quote: Quote: I wouldn't worry about it. I didn't do it on mine and it works fine. The cones are the female part that go up against the gear face (which is a male cone) I think you got that backward. The part you sand in the male cone on the gear. Didn't say you had to sand anything. Just pointed out what the cones are. I dunno. The OP stated he read you should sand the synchronizer cones. That is the conical section of the gear. I have never heard the synchronizer rings referred to as anything other than 'rings' or 'blocker rings'. No big deal one way or the other. "We live in a time when intelligent people are being silenced so that stupid people won't be offended".

Re: synchronizer cones A833 [Re: 440challenger] #949598 03/13/11 08:31 PM 03/13/11 08:31 PM
Joined: Oct 2005 Posts: 8,881 Ontario, Canada S Stanton Don't question me!
Stanton Don't question me! S Joined: Oct 2005 Posts: 8,881 Ontario, Canada	I thought I had every piece of literature that existed for 833 trannys and I've never seen that. Anyhow, personally I think with the lube in there the slightly scuffed surface wouldn't make the least bit of difference.

Re: synchronizer cones A833 [Re: Stanton] #949599 03/13/11 09:47 PM 03/13/11 09:47 PM
Joined: Feb 2003 Posts: 4,503 NJ 4 440challenger OP master
440challenger OP master 4 Joined: Feb 2003 Posts: 4,503 NJ	i read it in the mopar muscle a833 rebuild they did. jamie passon?? did the work. I got the trans back in and it shifts so were all good!

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