Re: Removal of Thrust Buttons in 8.75 SG ??
[Re: Chi_Town_Runner]
#287223
04/14/09 02:02 PM
04/14/09 02:02 PM
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Joined: Jan 2005
Posts: 1,647 IL
71383beep
top fuel
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top fuel
Joined: Jan 2005
Posts: 1,647
IL
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How about that. I didn't think the button was a problem becasue I was already using the SG in a 741 case w/ 3.91 gears and stock axles w/ green bearings originally. Over the winter i discovered that my vibration problem was mostly due to the poor build on the 3rd member so I rebuilt a spare 489 chunk with the SG and 3.73 gears. It turns out is that my installation problem was due to me not having the side gears lined up right when rebuilding the SG. I tell ya though turning that half in axle to get it lined up was no picinic. I was just about to give up and pull the whole thing apart when I gave her one good last try. At most i could turn the axle about 1/16 of a turn and I ended up turnit a full 1/3 to finally get it lined up. At least now you know if you have the same issue. If one axle doesn't go all of the way in don't panic just get the other side all put together, put the wheel on, set her down and block the wheel and get ready to sweat!
'73 GK6 Challenger Rallye - 340 4-Speed
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Re: Removal of Thrust Buttons in 8.75 SG ??
[Re: 71383beep]
#287224
04/14/09 02:59 PM
04/14/09 02:59 PM
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Joined: Jan 2003
Posts: 75,282 A gulag near you.
JohnRR
I Win
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I Win
Joined: Jan 2003
Posts: 75,282
A gulag near you.
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Quote:
How about that.
I didn't think the button was a problem becasue I was already using the SG in a 741 case w/ 3.91 gears and stock axles w/ green bearings originally.
Over the winter i discovered that my vibration problem was mostly due to the poor build on the 3rd member so I rebuilt a spare 489 chunk with the SG and 3.73 gears.
It turns out is that my installation problem was due to me not having the side gears lined up right when rebuilding the SG.
I tell ya though turning that half in axle to get it lined up was no picinic. I was just about to give up and pull the whole thing apart when I gave her one good last try. At most i could turn the axle about 1/16 of a turn and I ended up turnit a full 1/3 to finally get it lined up.
At least now you know if you have the same issue. If one axle doesn't go all of the way in don't panic just get the other side all put together, put the wheel on, set her down and block the wheel and get ready to sweat!
i took 2 old axles and cut the ends of them off to make a holer and alignment shaft for reaseemebly , it's still takes a little to get them straight as I have had the stub get stuck in the unit from misalignment . I have a couple to do for myself for 2 different chucks of my own and I think I'm going to buy 1 piece side gears .
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Re: Removal of Thrust Buttons in 8.75 SG ??
[Re: DoctorDiff]
#287227
04/14/09 04:44 PM
04/14/09 04:44 PM
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Joined: Aug 2004
Posts: 3,343 MARYLAND
69Cuda340S
master
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master
Joined: Aug 2004
Posts: 3,343
MARYLAND
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Quote:
The side gear and hub splines must be aligned on all factory equipped 8 3/4" sure-grips, except for the late '68 model power-locks.
Thanks Cass. Maybe mine is a late '68 Power Lok because when I look in the sides everything looks like its lined up. But I'll make sure the axles go in easily before I install it just to be sure.
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Re: Removal of Thrust Buttons in 8.75 SG ??
[Re: 69Cuda340S]
#287231
04/15/09 11:39 AM
04/15/09 11:39 AM
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Joined: Jan 2003
Posts: 75,282 A gulag near you.
JohnRR
I Win
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I Win
Joined: Jan 2003
Posts: 75,282
A gulag near you.
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Quote:
Mine has a one piece side gear. Guy I bought it from has been sitting on it for over 20 years. Says it came out of a late '60s C-body. Sounds like I don't need to worry about spline alignment.
Interesting , I have not found a 1 piece side gear in an original spicer power lock
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Re: Removal of Thrust Buttons in 8.75 SG ??
[Re: JohnRR]
#287234
04/15/09 06:02 PM
04/15/09 06:02 PM
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Joined: Jan 2003
Posts: 25,200 Upper Midwest
MoparforLife
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 25,200
Upper Midwest
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Quote:
Quote:
Mine has a one piece side gear. Guy I bought it from has been sitting on it for over 20 years. Says it came out of a late '60s C-body. Sounds like I don't need to worry about spline alignment.
Interesting , I have not found a 1 piece side gear in an original spicer power lock
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