Author Topic: Oregon 72LG 76LG Stihl 33TS  (Read 2848 times)

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Offline Cut4fun

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Oregon 72LG 76LG Stihl 33TS
« on: February 28, 2011, 04:25:06 pm »
This is what the chain makers are looking for to make up those special race chains. Can you guys tell the difference in the cutter difference from the new Oregon 72 LG.

 2 different older LG cutters shown below.

The 76 LG is used just for it's lighter chassis drive links and tie straps.



Nice Oberg copied 6 sided bevel file.



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Offline Cut4fun

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Re: Oregon 72LG and 76LG
« Reply #1 on: February 28, 2011, 04:31:06 pm »
Oregon 76 SL can also be used for it's lighter chassis drive links etc.

76SL

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Offline mdavlee

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Re: Oregon 72LG and 76LG
« Reply #2 on: March 02, 2011, 05:08:51 pm »
I've never seen or used any of the 76. It does look like it would be a little lighter.

Offline HolmenTree

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Re: Oregon 72LG and 76LG
« Reply #3 on: March 10, 2011, 11:04:21 am »
I've never seen or used any of the 76. It does look like it would be a little lighter.
Nice little pulpwood chain with a very smooth narrow kerf chisel cutting action. Sized between a .325 and a full sized 3/8 chain. First introduced in 1982 and discontinued in the mid 1990s. Too bad we no longer can get it because for the professional cutter that size chain on the 50-60cc saws was real nice to have , a little bigger then the .325 for extra filing life but not as power robbing as the big 3/8. Less chain derailing on the safety nose bars too which alot of forestry outfits were forced to use to cut down on kickback injuries.
Stihl had the same style of chain called the 33-34TS [ Topic Super .050-.058].
 Racers would put a full size chisel 3/8" cutter on the smaller chassis enabling better chip clearance and flow, plus lightness with no need to grind down the shot peened surface as done on the full sized chassis.

Willard.
Making a living with a saw since age 16.

Offline Cut4fun .

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Re: Oregon 72LG and 76LG
« Reply #4 on: August 16, 2012, 05:35:51 pm »
Oregon 76LG  3/8 050

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Offline Al Smith

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Re: Oregon 72LG and 76LG
« Reply #5 on: August 17, 2012, 11:12:02 am »
I've got a couple loops some place hanging on a nail .Where it came from I haven't a clue but suspect perhaps on an old McCulloch I acquired some place .

Now the neat thing about that is the driver length count for both Mac 16" and Stihl are exactly the same which very seldom happens .They're usually off by a few drivers one way or the other to interchange .

A 16" other than .325 is something I seldom use although I've got plenty of loops for same mostly from Macs .About the only time being if I attempt to be a racer over the cants which hasn't been a success story but fun never the less .Since I managed to get a few Stihl mount 16"s I'll probabley delve into filing some faster chains .Perhaps saving those few loops of #76 chain for same .

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Re: Oregon 72LG and 76LG
« Reply #6 on: August 18, 2012, 01:58:54 pm »
Just sharing the old boxes with the info on the back of the Oregon 76LG chains. Looks like between the 2 pics of backs you can read everything.

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Offline HolmenTree

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Re: Oregon 72LG and 76LG
« Reply #7 on: October 31, 2012, 10:55:24 am »
Kevin I'm confused about the 76-77LP marked on the box when it should  be 76-77LG. I can't remember this chain ever being called LP. I do remember a few months ago a women from Oregon sawchain posted on A.S. saying the 76-77LP was discontinued in 1980.
I think she has bad information because I never heard of 76-77 LP  chain being discontinued in 1980.
I field tested 73LG and 77LG chain on my Jonsered in 1980-81 for Oregon which was then introduced in 1982. I have proof here from a July 1982 Chainsaw Age magazine ad. The bottom left hand corner of my pic here shows the date and the introduction of the 76LG. Notice they also called it low profile .   
Making a living with a saw since age 16.

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Re: Oregon 72LG and 76LG
« Reply #8 on: October 31, 2012, 01:19:30 pm »
I had some super guard 76 they called LP in pics above too.

 The end of those boxes were marked 76LG if you look at end.


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Offline Cut4fun .

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Re: Oregon 72LG 76LG Stihl 33TS
« Reply #9 on: February 10, 2013, 08:25:39 pm »
I've never seen or used any of the 76. It does look like it would be a little lighter.
Nice little pulpwood chain with a very smooth narrow kerf chisel cutting action. Sized between a .325 and a full sized 3/8 chain. First introduced in 1982 and discontinued in the mid 1990s. Too bad we no longer can get it because for the professional cutter that size chain on the 50-60cc saws was real nice to have , a little bigger then the .325 for extra filing life but not as power robbing as the big 3/8. Less chain derailing on the safety nose bars too which alot of forestry outfits were forced to use to cut down on kickback injuries.
Stihl had the same style of chain called the 33-34TS [ Topic Super .050-.058].
 Racers would put a full size chisel 3/8" cutter on the smaller chassis enabling better chip clearance and flow, plus lightness with no need to grind down the shot peened surface as done on the full sized chassis.

Willard.
on of the 76LG. Notice they also called it low profile .   

I just picked up 2 NOS 72dl loops of the stihl 33TS  33 Topic Super  you talked about.  Going to try them on the woods ported 45cc 346  and the stock 550xp
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