8.5 S Spring Posi

Alan Nyhus · 06-21-2018, 07:59 PM

Not sure what thickness yours are but Dorman #81050 has one each of .150 and .155 thick. I believe the end play should be about .022-.025 max. Sometimes you need to juggle clip thickness to get it right. GM used to sell a package of 10 with five different thicknesses. -Al

P.S. You can also take out a clutch pack shim and shim the pinion gears a bit more.

Randy Schonscheck · 06-22-2018, 12:31 AM

Thanks Alan, My clips are in the .147 to .150 range. I'm going to see if I can hunt up some thinner ones or have some machined to thinner specs. I've run into silly problems in the past but this one takes the cake.

Alan Nyhus · 06-22-2018, 07:33 AM

You can also machine a flat on the cross shaft. -Al

Tom Broome · 06-22-2018, 01:37 PM

Street car I hope. I'm with the others, clearance the cross shaft (do they still make the notched ones) or thinner clips.

06-21-2018, 07:59 PM	#1
Alan Nyhus VIP Member Join Date: Dec 2002 Location: Lower Dakota territory Posts: 1,180 Likes: 1,074 Liked 799 Times in 236 Posts	Re: 8.5 S Spring Posi Not sure what thickness yours are but Dorman #81050 has one each of .150 and .155 thick. I believe the end play should be about .022-.025 max. Sometimes you need to juggle clip thickness to get it right. GM used to sell a package of 10 with five different thicknesses. -Al P.S. You can also take out a clutch pack shim and shim the pinion gears a bit more. __________________ "That'll never work....." Last edited by Alan Nyhus; 06-21-2018 at 08:01 PM.

06-22-2018, 12:31 AM	#2
Randy Schonscheck Junior Member Join Date: Feb 2002 Location: Omro, WI Posts: 64 Likes: 0 Liked 2 Times in 2 Posts	Re: 8.5 S Spring Posi Thanks Alan, My clips are in the .147 to .150 range. I'm going to see if I can hunt up some thinner ones or have some machined to thinner specs. I've run into silly problems in the past but this one takes the cake.

06-22-2018, 07:33 AM	#3
Alan Nyhus VIP Member Join Date: Dec 2002 Location: Lower Dakota territory Posts: 1,180 Likes: 1,074 Liked 799 Times in 236 Posts	Re: 8.5 S Spring Posi You can also machine a flat on the cross shaft. -Al __________________ "That'll never work....."

06-22-2018, 01:37 PM	#4
Tom Broome Member Join Date: Sep 2009 Posts: 144 Likes: 80 Liked 88 Times in 43 Posts	Re: 8.5 S Spring Posi Street car I hope. I'm with the others, clearance the cross shaft (do they still make the notched ones) or thinner clips.