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Thinking again ...
We are still asking:
What did you
get done on
your Bolt today
????


The question, initially posted May 23, 2005, was:
"Whatcha do on your Bolt
this weekend?"

After 51,906,997 views, 7378 replies over 185 pages, this thread in General Truck Talk is a happening! And it's not just weekends anymore.


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and No BOTS.


So ...


What did you get done on your Bolt today????


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'59 Apache -what was the original tranny with a V8 4speed?
#1013175 Mon Mar 10 2014 07:51 AM
Joined: Jun 2012
Posts: 38
J
Wrench Fetcher
What tranny was original with a V8 4 speed on the '59 Chevy? What rear end was standard if you have this info to. Thanks.

Re: '59 Apache -what was the original tranny with a V8 4speed?
JackAttack #1013187 Mon Mar 10 2014 12:49 PM
Joined: Nov 2006
Posts: 2,658
D
Shop Shark
The transmission would be a SM420.

Re: '59 Apache -what was the original tranny with a V8 4speed?
JackAttack #1013237 Mon Mar 10 2014 04:43 PM
Joined: Apr 2005
Posts: 1,972
R
'Bolter
The rear end depends on what series truck. If it is a 3100/3200 (1/2 Ton - 6 lug) it would have a 3.90:1 ratio. If it is a 3600 (3/4 ton - 8 lug) it would have a 4.57:1 ratio. Both are corporate GM rears. A one ton would have something like a 5.12:1 ratio.
Fred

Last edited by rfs56trk; Mon Mar 10 2014 04:47 PM.

1956 3100 Pickup/Red/350/3sp OD/PS/Disc Brakes
1957 Bel Air Sport Coupe/Red/355/TH350/PS/Disc Brakes
2017 Silverado LT Single Cab SB/Black/5.3/6 Speed Trans
1947 Willys CJ2A w/F-Head engine
Re: '59 Apache -what was the original tranny with a V8 4speed?
rfs56trk #1014321 Sat Mar 15 2014 06:30 AM
Joined: Jun 2012
Posts: 38
J
Wrench Fetcher
3200 1/2 ton 6 lug. Thanks for info.

Re: '59 Apache -what was the original tranny with a V8 4speed?
rfs56trk #1014322 Sat Mar 15 2014 06:38 AM
Joined: Jun 2012
Posts: 38
J
Wrench Fetcher
It's a 3200 with 283 V8 4speed. I've read the 3.90 ratio is a good one. Are they much trouble to rebuild if needed? Is the tranny in these '59s pretty much bullet proof and are parts available to rebuild them? Also trying to sort out whether to add disc front brakes and power steering or stay stock. Just trying to get it sufficiently safe. Thanks.

Re: '59 Apache -what was the original tranny with a V8 4speed?
JackAttack #1014326 Sat Mar 15 2014 07:35 AM
Joined: Feb 2011
Posts: 1,020
T
'Bolter
Also 59 a posi was offered, and its different than the non posi. If its a spreader type case its the new posi, if its a drop out third member its the old non posi style, but I have one of them with a limited slip unit in it?

Last edited by Truckrolet; Sat Mar 15 2014 07:37 AM.

Ret, Machinist , Industrial Engine
Engine specialist

Kicking self for selling off my Taskforce trucks.
Re: '59 Apache -what was the original tranny with a V8 4speed?
JackAttack #1014405 Sat Mar 15 2014 05:23 PM
Joined: Apr 2005
Posts: 1,972
R
'Bolter
I forgot about the posi being available also. The stock 3.90 rear ends hold up well but are not great highway gears. The only other ratio available is a 3.38:1 available from a variety of sources. Some skills are required to set up the gears correctly.
The SM420 is considered bullet proof but all parts eventually wear out. There are parts available as it was a common trans for many years.
Disc brake kits and PS kits are available from various sources also. About $750 for the brake kit including the booster & MC.
About $800 to $900 for the PS when you add in the pump, pulleys, & brackets. labor would be extra of course.
Fred


1956 3100 Pickup/Red/350/3sp OD/PS/Disc Brakes
1957 Bel Air Sport Coupe/Red/355/TH350/PS/Disc Brakes
2017 Silverado LT Single Cab SB/Black/5.3/6 Speed Trans
1947 Willys CJ2A w/F-Head engine
Re: '59 Apache -what was the original tranny with a V8 4speed?
Truckrolet #1014487 Sun Mar 16 2014 12:10 AM
Joined: May 2006
Posts: 8,490
L
Master Gabster
Originally Posted by Truckrolet
Also 59 a posi was offered, and its different than the non posi. If its a spreader type case its the new posi, if its a drop out third member its the old non posi style, but I have one of them with a limited slip unit in it?

The Positraction option used a Spicer 45 (similar to a Spicer 44) sourced from the GMC side. '59 was the only year it was used in Chevrolet. The HO33 axle did have a Posi variant, but they didn't come out until '60, and were only made until '62.


Bill Burmeister

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