RCU Forums - Search Results

Search: Posts Made By: Antique

Showing results 1 to 9 of 9
Search took 0.07 seconds.

Forum: Gas Engines

03-23-2007, 11:25 PM

Replies: 151

3W 100 quits in Knife Edge

Views: 20,732

Posted By Antique

RE: 3W 100 quits in Knife Edge

There were some changes. the older 100 cases were split vertically and used the phenolic reed block..Newer cases are split horizontally and have the updated reed block...The older cases were...

Forum: Gas Engines

03-05-2007, 09:54 PM

Replies: 151

3W 100 quits in Knife Edge

Views: 20,732

Posted By Antique

RE: 3W 100 quits in Knife Edge

Could be, some engines take a little more time to warm up...
I sometimes run engines when the shop is only about 40 degrees, and they take a little running time to get a good transition, but less...

Forum: Gas Engines

03-05-2007, 09:29 PM

Replies: 151

3W 100 quits in Knife Edge

Views: 20,732

Posted By Antique

RE: 3W 100 quits in Knife Edge

That's the very reason to set the high first, contrary to some "conventional wisdom"...Unless something is wrong with the carb, 1/4 on the high is not enough....If you open both to 1 1/2 or 2, than...

Forum: Gas Engines

02-11-2007, 03:44 AM

Replies: 151

3W 100 quits in Knife Edge

Views: 20,732

Posted By Antique

RE: 3W 100 quits in Knife Edge

Great design :eek: The old phenolic part hasn't been used for years, it was questionable when it was new and got worse with age...If you check it on a flat plate you'll see that it's warped, letting...

Forum: Gas Engines

01-19-2007, 02:27 PM

Replies: 151

3W 100 quits in Knife Edge

Views: 20,732

Posted By Antique

RE: 3W 100 quits in Knife Edge

There are only 2 bolt patterns for all Walbros and most Tillotsons...The 150s use the wider bolt pattern....
The Walbro SDC80 is the largest carb with the narrow bolt pattern...
$46 for a carb...

Forum: Gas Engines

01-10-2007, 02:11 AM

Replies: 151

3W 100 quits in Knife Edge

Views: 20,732

Posted By Antique

RE: 3W 100 quits in Knife Edge

DA uses G10 epoxy board, sometimes called Garolite or FR4....

Forum: Gas Engines

01-07-2007, 06:54 PM

Replies: 151

3W 100 quits in Knife Edge

Views: 20,732

Posted By Antique

RE: 3W 100 quits in Knife Edge

I think the largest Walbro that fits the bolt pattern is the SDC80....It's a great carb, made for a big chainsaw...Only bad part is the price, about $74 retail....
There are only 2 bolt...

Forum: Gas Engines

01-04-2007, 01:16 AM

Replies: 151

3W 100 quits in Knife Edge

Views: 20,732

Posted By Antique

RE: 3W 100 quits in Knife Edge

The screw is really tight, best to put the carb in a vise and use a tight fitting screwdriver...
I took one of the screws out about 12 years ago to check it out..You might try a temporary plug in...

Forum: Gas Engines

01-03-2007, 10:14 PM

Replies: 151

3W 100 quits in Knife Edge

Views: 20,732

Posted By Antique

RE: 3W 100 quits in Knife Edge

There's a ball and spring under the brass screw...It's a leftover from the chainsaw the carb was made for...When vibration levels get too high the ball vibrates off the seat and richens the...

Showing results 1 to 9 of 9