Project Stumpbroke 576xp Auto Tune

[Stumpys Customs]

I got a chance to mess with another Auto tune, this time the biger one. I guess I forgot to take a pic of it before I tore it down. I did get a vid of it stock. You wanna see it???

[video=youtube_share;Nc7F6FweQwI]http://youtu.be/Nc7F6FweQwI[/video]

 

[Stumpys Customs]

I love the looks of these cylinders with the long transfers. Looks kinda racy.

I need to figure out a way to put two carbs on these.:msp_scared:

Time to get down to business

 

[Nitroman]

I have seen three videos of these autotune saws, and in each one the saw was whining like an LM1500.

 

[Stumpys Customs]

I have seen three videos of these autotune saws, and in each one the saw was whining like an LM1500.

They do have a whistle to em

 

[Joe Kidd]

They do have a whistle to em

Stumpy, what was your impression in stock form? To me it was kind of a boring cut IMO. Maybe I'm expecting too much.

 

[Stumpys Customs]

Stumpy, what was your impression in stock form? To me it was kind of a boring cut IMO. Maybe I'm expecting too much.

It wasn't to bad. No wow factor or anything, just a good smooth saw with decent torque.

 

[Stumpys Customs]

Got it all ready to take .050" off of the squishband.

Looks almost like a L head briggs motor with the head off of it.

 

[bryanr2]

Subscribed.

 

[Stumpys Customs]

Getting ready for some grindin. Not much to work with on the intake.

 

[Stihlman441]

Subscribed.

 

[Warped5]

opcorn:

 

[Hedgerow]

Stumpy, what was your impression in stock form? To me it was kind of a boring cut IMO. Maybe I'm expecting too much.

If you're comparing it to your 395? Yes, expecting too much...:msp_wink:
Once it's been operated on, it should get a little snottier...
:ah:

Got 26.7 on the stock cut time...

 

[blsnelling]

Wow, major restriction there!

 

[Hedgerow]

Wow, major restriction there!

Not to mention those long transfers add to the case volume a ton...

 

[deye223]

:Eye:^:Eye:

 

[mdavlee]

They need more blowdown than what they have stock. It should be a good runner with the added compression from cutting the squish band.

 

[jasper89]

They need more blowdown than what they have stock. It should be a good runner with the added compression from cutting the squish band.

I'll just continue to read this as if I know what's really going on.

But willing to find out!

 

[Hedgerow]

They need more blowdown than what they have stock. It should be a good runner with the added compression from cutting the squish band.

The squish band looked about perfect on this one... From a cross-sectional area stand point...

 

[Joe Kidd]

If you're comparing it to your 395? Yes, expecting too much...:msp_wink:
Once it's been operated on, it should get a little snottier...
:ah:

Got 26.7 on the stock cut time...

Yes, Perhaps I posted in haste.

 

[Stumpys Customs]

Got er did.