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Old 03-13-2003, 03:59 AM   #1
1969 GMC
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Transfer case differences & knobs

Hello, my 1969 GMC has a Rockwell T-221 transfer married to an SM465, and the shifter is on the left side of the transmission shifter, makes a nice leg rest . But, I have heard that the more common NP205 shifter is on the right side of the transmission shifter. Do these transfer cases have the same shift pattern?
I think mine is:

2 Hi (dash)
|
4 Hi
|
Neutral
|
|
4 Lo (seat)


This is what is pictured in the owner's manual, but I have heard that both the 205 and the 221 were used in 69's. Is this the correct shift pattern? I am 100% sure that I have the Rockwell, I had to rebuild the front driveshaft and I took a peek at it.
Also, are replacement knobs available with the shift pattern on them? Mine is plain, with a slight bead or grip surface, going around the outer circumference.
Thanks, sorry for the long post.
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Old 03-13-2003, 08:51 AM   #2
JIMs70GMC
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I have a 205 in my 70 w/ the following:

4low (dash)
neutral
2high
4high(seat)

My shifter is also on the left of the tranny shifter.
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1970 K25, 8' stepside bed 350/465/205 44 up front, 60 in the rear 4.10s rolling on 33" Dunlop MTs
1986 K5, 350/465/208 Dana 60/14 bolt from a cucv 36" Super Swampers TSL/SX
1983 K20 w/ CUCV axles, 350/700R4/208 sitting on 37" Goodyears
1986 M1031 6.2 diesel, TH400/NP205 locker in the rear and a LS in the front, all stock for now.....
1986 K30, 350/400/205 dana 60 and 14 bolt. I kept the drivetrain. Body/bad and chassis are gone.
1981 K30, 350/465/205 dana 60 and dually 14 bolt. Has a G80, and a flat bed. Going to replace the flat bed.

1985 K20, 350/400/208 10 bolt and SF 14 bolt. I wonder where I can find some 1 tons. Hmmmmm
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Old 03-13-2003, 09:22 AM   #3
Blazer1970
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Quote:
My shifter is also on the left of the tranny shifter.
Are you sure about that. I could swear that a 205 shifter in any GM application is to the right (passenger side) of the tranny shifter.
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Old 03-13-2003, 10:32 AM   #4
Bill W
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I just checked my 205 shifter and its slightly to the right of the tranny shifter.

Bill
1978 Scottsdale, 1/2 ton 4x4, shortbed
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Old 03-13-2003, 12:03 PM   #5
JIMs70GMC
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Look at the pics in my signature, The knob hits the back of my right leg.

And I'm positive it's an NP205 (pics in sig also).
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1970 K25, 8' stepside bed 350/465/205 44 up front, 60 in the rear 4.10s rolling on 33" Dunlop MTs
1986 K5, 350/465/208 Dana 60/14 bolt from a cucv 36" Super Swampers TSL/SX
1983 K20 w/ CUCV axles, 350/700R4/208 sitting on 37" Goodyears
1986 M1031 6.2 diesel, TH400/NP205 locker in the rear and a LS in the front, all stock for now.....
1986 K30, 350/400/205 dana 60 and 14 bolt. I kept the drivetrain. Body/bad and chassis are gone.
1981 K30, 350/465/205 dana 60 and dually 14 bolt. Has a G80, and a flat bed. Going to replace the flat bed.

1985 K20, 350/400/208 10 bolt and SF 14 bolt. I wonder where I can find some 1 tons. Hmmmmm

Last edited by JIMs70GMC; 03-13-2003 at 12:11 PM.
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Old 03-13-2003, 12:31 PM   #6
Bill W
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NP 205 and NP 203 were not introduced until 1971

I'm just quoting stuff I've read about the transfer case. Pre-1971 were not NP 205's but are referred to as DANA 20 style transfer cases. NP 205's do have a slightly off center to the right shifter.

Bill
1978 Chevy Scottsdale, short bed, 4x4
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Old 03-13-2003, 01:11 PM   #7
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Re: Transfer case differences & knobs

Quote:
Originally posted by 1969 GMC
Hello, my 1969 GMC has a Rockwell T-221 transfer married to an SM465, and the shifter is on the left side of the transmission shifter, makes a nice leg rest . But, I have heard that the more common NP205 shifter is on the right side of the transmission shifter. Do these transfer cases have the same shift pattern?
I think mine is:

2 Hi (dash)
|
4 Hi
|
Neutral
|
|
4 Lo (seat)


This is what is pictured in the owner's manual, but I have heard that both the 205 and the 221 were used in 69's. Is this the correct shift pattern? I am 100% sure that I have the Rockwell, I had to rebuild the front driveshaft and I took a peek at it.
Also, are replacement knobs available with the shift pattern on them? Mine is plain, with a slight bead or grip surface, going around the outer circumference.
Thanks, sorry for the long post.
Looks like this thread wandered from the original questions...

No, the shift pattern is different between the Rockwell/Timken 221 and the NP 205. The NP 205 shift pattern is:

<dash>

4 -lo
N
2-hi
4hi

<seat>

You are correct on the 221 shift pattern. (I have both).

Yes, the 221 shifter is on the left, and the 205 shifter is on the right.

I have not seen 221 knobs with the shift pattern on them. They put the shift pattern on the sticker that is either on your roof, or on your glove box, therefore not needing a shift pattern on the knob. Originally, the 221s had the exact knob you have now (I suspect that your knob is the one that they put on in the factory). 205s had a shift pattern engraved into them, and are very hard to find in good shape.

Also, I have heard people argue that the 205 was introduced in '69. I don't know for sure. My '69 came with a Rockwell, and the dealer's info book lists "Timken 221" transfer case.
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1969 K10 swb fleet
1972 K10 Suburban
1972 C10 lwb step
1992 K1500 'burb
1995 K2500 'burb
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Why do I own so many Suburbans?

Last edited by ckhd; 03-13-2003 at 01:14 PM.
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Old 03-13-2003, 09:03 PM   #8
JIMs70GMC
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I believe the dana 20s were only offered in K5s with manual and I6 from 69-73. I do have a 205 w/ an SM465. The NP203 did not appear in GM trucks until 1973. I've read what you posted on advanced adapters web site I believe there was a discussion about that early last year.
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1970 K25, 8' stepside bed 350/465/205 44 up front, 60 in the rear 4.10s rolling on 33" Dunlop MTs
1986 K5, 350/465/208 Dana 60/14 bolt from a cucv 36" Super Swampers TSL/SX
1983 K20 w/ CUCV axles, 350/700R4/208 sitting on 37" Goodyears
1986 M1031 6.2 diesel, TH400/NP205 locker in the rear and a LS in the front, all stock for now.....
1986 K30, 350/400/205 dana 60 and 14 bolt. I kept the drivetrain. Body/bad and chassis are gone.
1981 K30, 350/465/205 dana 60 and dually 14 bolt. Has a G80, and a flat bed. Going to replace the flat bed.

1985 K20, 350/400/208 10 bolt and SF 14 bolt. I wonder where I can find some 1 tons. Hmmmmm
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Old 03-13-2003, 09:11 PM   #9
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I believe you. Its not a big deal. Just passing along information.

Bill
1978 Chevy Shortbed 4x4 Scottsdale.
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Old 03-13-2003, 09:20 PM   #10
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I'm sorry. I don't know why my shifter is the way it is. It does hit me in the back of the leg. This is kinda like the dana 60 drums, some the drum slips off other have them and they have to remove the axles to work the brakes. I've found their are alot of exceptions to the rules with these trucks.
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1970 K25, 8' stepside bed 350/465/205 44 up front, 60 in the rear 4.10s rolling on 33" Dunlop MTs
1986 K5, 350/465/208 Dana 60/14 bolt from a cucv 36" Super Swampers TSL/SX
1983 K20 w/ CUCV axles, 350/700R4/208 sitting on 37" Goodyears
1986 M1031 6.2 diesel, TH400/NP205 locker in the rear and a LS in the front, all stock for now.....
1986 K30, 350/400/205 dana 60 and 14 bolt. I kept the drivetrain. Body/bad and chassis are gone.
1981 K30, 350/465/205 dana 60 and dually 14 bolt. Has a G80, and a flat bed. Going to replace the flat bed.

1985 K20, 350/400/208 10 bolt and SF 14 bolt. I wonder where I can find some 1 tons. Hmmmmm
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Old 03-13-2003, 09:26 PM   #11
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I hear ya. Its like the muffler shop not wanting to touch my '78 with a ten foot pole because I removed the cat/converter. When I try to tell him it came from the factory with no cat he wouldn't believe me. I know for a fact that federal 1/2 tons rated at 6200 lbs were not required to have cats. Mine has factory duel exhaust, divorced choke carb, no air injection, no EGR...Nothing except a PVC valve and its all factory.

Bill
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Old 03-13-2003, 09:38 PM   #12
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That's the way I like mine. 3 vacuum hoses- power brakes, PCV, and dizzy advance.
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1970 K25, 8' stepside bed 350/465/205 44 up front, 60 in the rear 4.10s rolling on 33" Dunlop MTs
1986 K5, 350/465/208 Dana 60/14 bolt from a cucv 36" Super Swampers TSL/SX
1983 K20 w/ CUCV axles, 350/700R4/208 sitting on 37" Goodyears
1986 M1031 6.2 diesel, TH400/NP205 locker in the rear and a LS in the front, all stock for now.....
1986 K30, 350/400/205 dana 60 and 14 bolt. I kept the drivetrain. Body/bad and chassis are gone.
1981 K30, 350/465/205 dana 60 and dually 14 bolt. Has a G80, and a flat bed. Going to replace the flat bed.

1985 K20, 350/400/208 10 bolt and SF 14 bolt. I wonder where I can find some 1 tons. Hmmmmm
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Old 03-13-2003, 10:41 PM   #13
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Just to support JIMs70GMC a little bit, I have a '70 with a 205 and it has the same shifter. Also, I know for a fact that NP205's started to show up in 69 trucks.
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Old 03-14-2003, 08:40 AM   #14
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Come to think about it who has the "red rocket"? I believe it was a 71 K20. I PM'd him asking him how he got his shifter to the right of the tranny shifter and never heard back from him. I wonder if the levers will interchange?
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1970 K25, 8' stepside bed 350/465/205 44 up front, 60 in the rear 4.10s rolling on 33" Dunlop MTs
1986 K5, 350/465/208 Dana 60/14 bolt from a cucv 36" Super Swampers TSL/SX
1983 K20 w/ CUCV axles, 350/700R4/208 sitting on 37" Goodyears
1986 M1031 6.2 diesel, TH400/NP205 locker in the rear and a LS in the front, all stock for now.....
1986 K30, 350/400/205 dana 60 and 14 bolt. I kept the drivetrain. Body/bad and chassis are gone.
1981 K30, 350/465/205 dana 60 and dually 14 bolt. Has a G80, and a flat bed. Going to replace the flat bed.

1985 K20, 350/400/208 10 bolt and SF 14 bolt. I wonder where I can find some 1 tons. Hmmmmm
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Old 03-14-2003, 08:49 AM   #15
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The shifter on every GM 205 I have ever seen pivots on a shoulder bolt that bolts to the right side of the tranny to t-case adapter. That puts it directly in line halfway in between the two shift rails on the t-case. The shift lever does not have any real bends from side to side, so it sticks up just to the right of the tranny shifter, which is centered. I have never seen one like you guys are talking about. I am curious to see how they get the shifter on the left, and still operate the shift rails which are on the right. They must have been trying to make it easier to shift.

On edit, I looked at your pictures Jim, and it looks from the top like the shift lever just bends up over top of the adapter, and then up through the floor. I would bet that the later style shift lever would bolt right on, but I would have to see what yours looks like under the truck to tell. You would have to move the hole in the hump, or use a hump from a newer truck. My tranny and t-case are from a '72 Blazer.
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Last edited by Blazer1970; 03-14-2003 at 08:54 AM.
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Old 03-15-2003, 01:53 AM   #16
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shifter

I havew a divine 69 with a rockwell xfer case & m465. The xfer shifter is to the left of the tranny shifter. I also have a 70 with an np205 & m465. On that one the xfer shifter is to the right of the tranny shifter. I've been around a LONG time & every truck I've ever seen with these 2 combinations were the same as mine. That doesn't mean somebody couldn't modify one just to make it different. ......Zoomy
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Old 03-17-2003, 02:33 PM   #17
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Here is a pic of a 205 with the shifter coming out to the left of the 4spd shifter.
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Old 03-17-2003, 05:58 PM   #18
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Hmm.. that is one funky shifter. The ones w/ the 205 that we're talking about has basically the same setup, except a short shifter that doesn't hook over to the left like that. What is that out of?
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1968 K20 fleet
1969 K10 swb fleet
1972 K10 Suburban
1972 C10 lwb step
1992 K1500 'burb
1995 K2500 'burb
1997 C1500 'burb
1999 K1500
2000 K1500 'burb

Why do I own so many Suburbans?
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Old 03-17-2003, 06:25 PM   #19
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That's what mine looks like. Speed'o cable on the left. CV joint for the front shaft. Shift pattern on the glove box door is that of a NP205. I don't have headers though.
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1970 K25, 8' stepside bed 350/465/205 44 up front, 60 in the rear 4.10s rolling on 33" Dunlop MTs
1986 K5, 350/465/208 Dana 60/14 bolt from a cucv 36" Super Swampers TSL/SX
1983 K20 w/ CUCV axles, 350/700R4/208 sitting on 37" Goodyears
1986 M1031 6.2 diesel, TH400/NP205 locker in the rear and a LS in the front, all stock for now.....
1986 K30, 350/400/205 dana 60 and 14 bolt. I kept the drivetrain. Body/bad and chassis are gone.
1981 K30, 350/465/205 dana 60 and dually 14 bolt. Has a G80, and a flat bed. Going to replace the flat bed.

1985 K20, 350/400/208 10 bolt and SF 14 bolt. I wonder where I can find some 1 tons. Hmmmmm
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Old 03-17-2003, 06:59 PM   #20
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That shifter in the pic is in a 70 GMC and is the same as the one in my brother's 69 Chevy.
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Old 03-18-2003, 10:56 AM   #21
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Is it hard to shift the t-case? It almost seems that with that long of a bendy shifter that there might be times that you have to swear once or twice to get it in.

With the Rockwell t-cases, you have to swear once in a while to get it back into 2-hi if there is wear in the linkage.
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1968 K20 fleet
1969 K10 swb fleet
1972 K10 Suburban
1972 C10 lwb step
1992 K1500 'burb
1995 K2500 'burb
1997 C1500 'burb
1999 K1500
2000 K1500 'burb

Why do I own so many Suburbans?
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Old 03-18-2003, 11:03 AM   #22
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Mine is fairly easy to shift. As I remember it's easier than the NP208 I had in an 85 K5.
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1970 K25, 8' stepside bed 350/465/205 44 up front, 60 in the rear 4.10s rolling on 33" Dunlop MTs
1986 K5, 350/465/208 Dana 60/14 bolt from a cucv 36" Super Swampers TSL/SX
1983 K20 w/ CUCV axles, 350/700R4/208 sitting on 37" Goodyears
1986 M1031 6.2 diesel, TH400/NP205 locker in the rear and a LS in the front, all stock for now.....
1986 K30, 350/400/205 dana 60 and 14 bolt. I kept the drivetrain. Body/bad and chassis are gone.
1981 K30, 350/465/205 dana 60 and dually 14 bolt. Has a G80, and a flat bed. Going to replace the flat bed.

1985 K20, 350/400/208 10 bolt and SF 14 bolt. I wonder where I can find some 1 tons. Hmmmmm
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Old 06-07-2003, 06:27 PM   #23
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ahhh!!!! that must be what I have (NP208) cause it's a ***** to shift!!! The original transfer was tossed (damn PO) in favor of a "tougher" (in his opinion) transfer case...ya maybe tougher to shift
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1972 GMC K2500 Custom LWB Fleetside - Proud Owner For 3 Yrs - 1 of 571 Built & Sold In Canada! - 350 V8/SM465/NP205, 4” Rough Country Lift, 33” Interco TSL Thornbirds
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Old 06-18-2003, 11:04 AM   #24
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Not to barge in on 1969 GMC's post but since you guys are talking about transfer cases I thought I'd ask. Would a rockwell case be worth getting even if it has a broken gear inside?
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Old 06-25-2003, 12:02 AM   #25
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Red Rocket:
NP 205 with power take off.
Shifter to the right (passanger side) of 4 spd.
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