Mastermind Meets the 064AV

Here's a fine example of Stihl's 064. The mailman dropped it off a few days ago and now it's ready to go back home.





Just a tad over 145psi when I started on the old girl. We're gonna fix that though.

I gotta say everytime Mastermind meets something it seems to be extra angry when it leaves. I wonder what he does to those poor saws to get them so upset!?!?!?!

theoctagon said:

I gotta say everytime Mastermind meets something it seems to be extra angry when it leaves. I wonder what he does to those poor saws to get them so upset!?!?!?!

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You'd be angry too if sumbody stuck a rotary tool up yer exhaust port & reemed it out.:biggrin:

The stock numbers were a bit surprising to me.

Exhaust: 100° FTDC = 160° Duration
Transfers: 119° FTDC = 19° Blowdown
Intake: 72° FTDC = 144° Duration
Squish: .035

I dropped the jug and cut a .030 popup leaving the squish at .023... I really didn't want this saw pushing 200psi. As many here know the base is thinner on the 064 than the later 066/660 so I'm staying on the side of caution.

My finished numbers were:

Exhaust: 99° FTDC = 162° Duration
Transfers: 117° FTDC = 18° Blowdown
Intake: 80° FTDC = 160° Duration

I did find the oil pump drive to be fubared.



Fixed that though.



Not bad...

Nice work randy, waiting for the vids!

ptjeep said:

Nice work randy, waiting for the vids!

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Thanks Preston, I don't have any wood here that's large enough to do this saw justice. I'll post up a couple in the morning anyway. :msp_thumbup:

Great work Randy! Now go to the scrap pile and find that J-Red 49SP piston and send it to me.

Please.

Sprintcar said:

Great work Randy! Now go to the scrap pile and find that J-Red 49SP piston and send it to me.

Please.

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If I had one it would be in the mail. I reckon you know that. :msp_thumbup:

Mastermind said:

If I had one it would be in the mail. I reckon you know that. :msp_thumbup:

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Thanks bro, you da man.

I know the owner is very excited but is worried about your health.

You taking care of yourself?

Looks good Randy. You can see why those 064s run so nice stock.

Nice Randy, and you do have good taste in saw's!

Where's the vids???????

theoctagon said:

Where's the vids???????

Click to expand...

Sorry for the delay. I just got back from a concert.

Here's the saw stock with a 7 pin rim. It's fast through this poplar...

[video=youtube;k5_9WyfZg-8]http://www.youtube.com/watch?v=k5_9WyfZg-8[/video]

After port work and a popup, 8 pin rim. It's really no faster in this small poplar.

I didn't have any larger wood to test it in.

[video=youtube;HjVlrkKzrdI]http://www.youtube.com/watch?v=HjVlrkKzrdI[/video]

Another nice one Randy!:msp_thumbsup:

Nice work Randy looks like you picked up another second off of the cut time!!!

Randy i want to thank you for takeing time to post these build tread's in such detail it is a great tool for all us newbe that want to learn to port or oun saw's.You Rock buddy.

Yeah Randy good stuff!

I forgot to take many pics on this build. I've gotten really busy repairing local saws with firewood season in full swing. I'll try to do better on the next build.

Mike's saw is now a very strong work saw. I just hope he enjoys it.