Mastermind Meets The MS660

[Mastermind]

Video reply.........NOT A WORKSAW :hmm3grin2orange:

Mastermind Meets The Oh 64 !!!!

[video=youtube;eXHTVS_wuSo]http://www.youtube.com/watch?v=eXHTVS_wuSo&list=UUg2yelCeKwB12xIohZfmf1g&index=1&feature=plcp[/video]

 

[Bowtie]

Video reply.........NOT A WORKSAW :hmm3grin2orange:

Mastermind Meets The Oh 64 !!!!

[video=youtube;eXHTVS_wuSo]http://www.youtube.com/watch?v=eXHTVS_wuSo&list=UUg2yelCeKwB12xIohZfmf1g&index=1&feature=plcp[/video]

I promise I will never give you hell about cutting up an 064 again!!! :msp_ohmy:

 

[ptjeep]

Very impressive

 

[gink595]

Looks good! When you going to put the alky to it?

 

[komatsuvarna]

Dang Randy, that thing is motivating!!! Think im gonna "try" to build a pipe for my 395.... been thinking about it for awhile, just not sure how to go about it yet.

 

[blsnelling]

Looks good! When you going to put the alky to it?

Do you guys think an 064/early 066 crank will hold up to this level of performance?

 

[procarbine2k1]

Whats the part number on that pipe, or is it aftermarket?

 

[gink595]

Do you guys think an 064/early 066 crank will hold up to this level of performance?

Eric had an early 066 that he raced, Dave Neiger gave it to him. It run real good to if it weren't for the a fire. I ran it at Nates GTG a couple years back. It is the saw that I copied the pipe pattern from.

I think it is on the limiter the whole time:hmm3grin2orange:

<iframe width="560" height="315" src="http://www.youtube.com/embed/zWF0V4f9jjI" frameborder="0" allowfullscreen></iframe>

Here was mine with similiar porting and a copy pipe.

<iframe width="420" height="315" src="http://www.youtube.com/embed/vu-Ng-n71w0" frameborder="0" allowfullscreen></iframe>

 

[blsnelling]

Very nice. I guess I'm a little chicken to do that to my 064, lol.

 

[gink595]

Very nice. I guess I'm a little chicken to do that to my 064, lol.

Ahhh...just a Stihl, dime a dozen to fix!

 

[mt.stalker]

Very nice. I guess I'm a little chicken to do that to my 064, lol.

Aww come on , it's only money :hmm3grin2orange:

 

[blsnelling]

I think I'd rather risk a new saw than a 20 year old saw I restored to like new. I think my 390XP would be sweet with a pipe! I'm on the lookout for a spare jug for it. I already tried to kill it twice, and we both survived, lol. Randy, that 064 is sure sweet!

 

[Mastermind]

Looks good! When you going to put the alky to it?

That's the same thing Terry asked me.

I think I'll concentrate on learning to operate it well then boost ports, then alky.

 

[blsnelling]

That's the same thing Terry asked me.

I think I'll concentrate on learning to operate it well then boost ports, then alky.

So is the cylinder basically a standard port job plus lots more exhaust duration? No extra transfers? That thing's very impressive. I would have thought that it would take a lot more than that to make a saw run like that. Tempting, very tempting I don't claim to known anything more than woods porting, but I might be tempted to play after seeing that kind of results.

 

[gink595]

Whats the part number on that pipe, or is it aftermarket?

It was part number 3L! :hmm3grin2orange:

 

[Mastermind]

So is the cylinder basically a standard port job plus lots more exhaust duration? No extra transfers? That thing's very impressive. I would have thought that it would take a lot more than that to make a saw run like that. Tempting, very tempting I don't claim to known anything more than woods porting, but I might be tempted to play after seeing that kind of results.

That saw is the big bore 064 I built awhile back Brad. It has a lightened 395 piston in it and the transfer tunnels have been enlarged a lot. The carb has been bored as well.....also the ignition timing is further advanced than a woods saw. With the exhaust at 85° it's still blowing 170psi so a lot of work went into getting that.

 

[blsnelling]

That's definately some high exhaust!

 

[mt.stalker]

I think I'd rather risk a new saw than a 20 year old saw I restored to like new. I think my 390XP would be sweet with a pipe! I'm on the lookout for a spare jug for it. I already tried to kill it twice, and we both survived, lol. Randy, that 064 is sure sweet!

I can sympathize about desecrating your megahour resto .
And , I think your 390 piped , would destroy any Stihl's that dare tread near it :hmm3grin2orange:

 

[gink595]

What I'm most impressed with that you got the compression back up to 170psi without putting a head on it!

 

[blsnelling]

What I'm most impressed with that you got the compression back up to 170psi without putting a head on it!

I'm close to 200 PSI with the exhaust at 97° on my 390XP. Surely another 8°-12° wouldn't kill it The intake is already plenty low enough.