066 Rebuild, Port Job etc

[Brewz]

Hi Folks

This will be a bit of a long running story as I progress through the rebuild and sport the old girl up a bit.

My old 066 has done a bit of work.
I bought it with a new after market P&C fitted, brand unknown.
It has about 170 PSI of compression and runs really strong but I just want to strip it and fix it up.

New AV rubbers, new hoses, new seals, clean up and clean out, port the jug and perhaps get a better meteor piston for it.

If OPE admin are keen, I would be happy to do some testing in Australia on one of these rumored MM Cylinders...... wink wink!!!

I am sick of the Stihl HD filter blocking up every 2nd tank of fuel so have just ordered a velocity stack and K&N filter and filter wrap
Here is what I plan to fit:
http://www.knfilters.com/search/product.aspx?prod=R-1100

The muffler on the saw is an old original dual port job but it dont seal to well around the cylinder exhaust port.
I have opened it up a bit but once ported, I plan to do something more serious with the muffler...... not sure yet.

I will post up some pics of the saw soon, and lots of pics as I go.

I would also be happy for people to add advice, their experiences with this model, port numbers to aim for, etc etc.

 

[czar800]

Start of a good thread!

 

[Mastermind]

We still have some more work to do on the MMWS 066 top ends.

They made the exhaust too flat.

It's going back for round two.....

 

[jmssaws]

Good thread on my favorite saw. I've got oem cylinders if you want one.

 

[Mastermind]

Repped

 

[Brewz]

Good thread on my favorite saw. I've got oem cylinders if you want one.

OEM would be preferable for porting I guess
At this stage I am a bit $ poor and am having to work through this slowly.

I will get back to you when I get to the jug and put a degree wheel on it.
If the numbers are not the best compared to OEM it will be on the cards.

If I am going to put the work into the saw I want it as strong as I can get it

 

[Deets066]

When you get to that muffler hog that baby out and let it breath, the bigger the better on an 066. I think it would run good with little to no front cover!

 

[jmssaws]

If you want it strong as you can get you need a oem cylinder. Pm me your address.

 

[jmssaws]

I've had better luck with the HD over the hd2. I've had a hd2 look clean and it flood my saw. I run the old style HD with the maxflow green foam cover. I think it's a maxflow. Deets will know

 

[Ironworker]

That's mighty nice.

 

[jmssaws]

We still have some more work to do on the MMWS 066 top ends.

They made the exhaust too flat.

It's going back for round two.....

I would like to talk to you about these sometime.

 

[jacob j.]

If they're going back for round two, can we ask for quad transfer ports?

 

[Brewz]

Mine is the HD2 and even after I blow it out with light compressed air, it's still hard to blow through the filter material.
I have found it needs to be soaked in hot soapy water to soak out all the super fines. After it air dries it is noticeably easier to blow air through.

I have one of those Stihl material band covers around the filter but that just makes it more restrictive so it's a lose lose position as far as I am concerned, especially when I start asking the saw to flow more air than standard.

I looked at the uni filter and I like them but I had a oiled foam Uni filter in my car years ago and I hated cleaning and re-oiling it.
I switched to K&N and never looked back, which is why I have gone with the K&N filter.

The velocity stacks are easy to find on eBay as the 1/5 RC car community seem to like using Walbro carbs.


Question:
What is usually the advantage or advantages of the OEM jug over the after market stuff?

 

[Mastermind]

If they're going back for round two, can we ask for quad transfer ports?

I supplied an OEM jug with a little machine work, a little port work, and a little epoxy. I wasn't smart enough to know how to make a quad ported prototype.

 

[Brewz]

I was just taking some pics of the saw to post tonight when I get on my puter and it got me thinking on the paint and covers.

It's a work saw for cutting fire wood, not a show pony.
If I paint it and make it look all pretty, it break my heart every time I get it filthy or add a new scratch.

This old boy has a few scars but we all know chicks dig scars!

I might leave the Finnish as is and just concentrate on repair and improvement.

 

[Brewz]

Here is the saw as it stands now.
Its still a bit dirty from a days work this week but its getting used again tomorrow so I didn't bother cleaning it right up like I usually do.
Its wearing a 25" bar and 404 Stihl chain









Little things like old worn AV mounts have prompted the work, plus I want to make it go better too

 

[Brewz]

Here is the air filter I run now and the band that goes around it.

Its good when its clean but after a tank or 2 in hard dusty wood, performance suffers

 

[VinceGU05]

i swear by this stuff for washing the saw with..


dont use paint at all.. its crap.. leave it or powder coating only. paint lasts 5 mins.
here is one i blasted, etch primed and painted. still chips just looking at it

 

[Brewz]

It sure gets the job done though.
When I got it, my old man said "what do you want something that big for?
When he wandered down the back paddock and found I had decimated an entire massive tree in a few hours, that he told me would take weeks to cut up, he conceded it was a good thing.


3 1/2' to 4' thick eucalyptus hardwood tree trunks. Sectioned some up with the 30" bar but it was hard work as the bar was too small for the job.





Bought a 42" bar for it and it made the job much easier.





Excuse fingers, I only seem to get the finger over the phone lens when I am tuckered out from cutting but want to take a pic of my work.

Its such a good saw and really deserves to be made to be best it can be.

 

[Brewz]

i swear by this stuff for washing the saw with..


dont use paint at all.. its crap.. leave it or powder coating only. paint lasts 5 mins.
here is one i blasted, etch primed and painted. still chips just looking at it

I saw the pic of the cleaning spray and then the saw and thought......... bugger me, it looks like new!

You painted it too...... would be nice though.

Like I said...... a new saw, well yeah just got to use it, but if I restore an old loved saw to like new, using it will be damaging all the hard work.
I guess the desire to respray, new covers etc is the little devil on my shoulder telling me I want a brand new saw but its so much more fun fixing an old one and I kind of like the old school stuff better for some reason.

I am also a fan of the rat rod.
I am thinking this will be like a rat rod...... old, busted, rusty and used looking on the outside but with a clean running motor that will go all day long on the inside

I believe I have just given my saw a name

RAT 66

To add to this, I looked at the Varioclean at my local Stihl dealer. They dont even put a price under anything in a Stihl dealer here in Australia because you would run from the shop in fear of bankruptcy.

I didn't bother asking what it costs when I can get cans of de-greaser from the auto shops for $2 a can