066/394 hybrid build

[Chainsaw Jim]

I was being lazy and figured I could get away with doing it for one cut. I won't make that mistake again.

 

[Chainsaw Jim]

The numbers with the cylinder stock are 101 119 68.

Sorry about the mistake on the degree numbers. I was using a crappy degree wheel. I made a new one and it is now very accurate.

 

[paragonbuilder]

Sorry about the mistake on the degree numbers. I was using a crappy degree wheel. I made a new one and it is now very accurate.View attachment 39150

I must have missed it. Are they different from what you posted?

 

[Deets066]

Sorry about the mistake on the degree numbers. I was using a crappy degree wheel. I made a new one and it is now very accurate.View attachment 39150

Why did you make a wheel with all the extra crap on it?

 

[Chainsaw Jim]

Why did you make a wheel with all the extra crap on it?

Do you want to kick my dog too?
When I sent my wife a copy of the pic from my phone to print out for me at her work she wasn't aware that it wasn't the best one and neither was I until I saw it. I figured rather than wait until Monday to share some numbers people have asked for that I'd just make the best of it as is.
Go jogging or something if you're that bored. lol

 

[Deets066]

Do you want to kick my dog too?
When I sent my wife a copy of the pic from my phone to print out for me at her work she wasn't aware that it wasn't the best one and neither was I until I saw it. I figured rather than wait until Monday to share some numbers people have asked for that I'd just make the best of it as is.
Go jogging or something if you're that bored. lol

How big is your dog?

 

[Deets066]

I must have missed it. Are they different from what you posted?

 

[Chainsaw Jim]

I must have missed it. Are they different from what you posted?

They are different from what I originally posted and I edited the original post to the correct numbers. The wrong numbers are no longer listed.

 

[Chainsaw Jim]

The intake is looking good so far. I didn't lower the floor any but I did bring the roof up to the bottom of the piston at tdc. I was able to get a groove cut to hold the intake boot tighter. Now it's time to do the transfers and exhaust.

 

[Red97]

That ought to help a bit. You planning on low ing the exhaust too?

Or just drop the jug?

Very nice build you have here. Thank you for sharing.

 

[Chainsaw Jim]

That ought to help a bit. You planning on low ing the exhaust too?

Or just drop the jug?

Very nice build you have here. Thank you for sharing.

I'm not lowering anything at this point. I may flatten the squish and lower it for higher comp if I'm not happy with it.

 

[Chainsaw Jim]

I finally have the exhaust done and it's ready to strap back down to try out.

 

[Adirondackstihl]

Nice step

 

[RI Chevy]

Nice work Jim.

 

[Deets066]

I finally have the exhaust done and it's ready to strap back down to try out. View attachment 39364 View attachment 39365

Haven't seen that done in a while, lots of grinding.

Looks good Jim

 

[Keith Gandy]

I believe I have a step down also

 

[Red97]

Theroy behind the "step"? please.

 

[Adirondackstihl]

Theroy behind the "step"? please.

Helps "pull" exhaust gasses outta the cylinder.

 

[Deets066]

Larger than the port opening at the jug and more room to flow. Not sure if it's a gain or not cuz the ex. Flows the most when it first cracks open which is at the top of the port.

If nothin else the saw is lighter

 

[Keith Gandy]

Larger than the port opening at the jug and more room to flow. Not sure if it's a gain or not cuz the ex. Flows the most when it first cracks open which is at the top of the port.

If nothin else the saw is lighter

I was thinkin maybe one could drop the jug more without freeporting but still maintain a larger exhaust port?