Raffle 262 builds

[paragonbuilder]

Started on intake

Still need to drop it a few degrees

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[paragonbuilder]

Intake is set. Now a little clean up, and some slight bevels


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[mgr1]

Question from a noob about porting..

How do you know what port timing numbers you need?
Experience, gamble or do you steal the numbers from other builders?

 

[paragonbuilder]

Transfers cleaned up

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[RI Chevy]

Question from a noob about porting..

How do you know what port timing numbers you need?
Experience, gamble or do you steal the numbers from other builders?

I think it would be better referred to as information sharing rather than stealing. Comes down to research and development. Trials of several different combinations of numbers. Some better for speed and high RPMs, and some better for lower RPM torque.
Great bunch of guys here on this forum.

 

[paragonbuilder]

Question from a noob about porting..

How do you know what port timing numbers you need?
Experience, gamble or do you steal the numbers from other builders?

Stock numbers are always good to look at. What were the engineers thinking? And what am I looking to change about the saws performance? R&d from other members and their sharing of what has worked for them is considered. Previous builds I’ve done as well.
The problem with numbers from others, is that everyone times cylinders different, so they are relative. I’ve tested with others and found that numbers can be hugely different and the saws all run strong. I think a lot of results come more from grinding styles than numbers.


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[huskyboy]

I agree, if two different porters used the same numbers on a saw, I’d bet the two saws would run differently. For a variety of reasons probably.

 

[mgr1]

Thanks for the info.

 

[paragonbuilder]

Jugs are ported, transfer is cleaned up, and they are labeled.

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[paragonbuilder]

Ryan, has some slight marks from the transfer left behind in the cylinder, but it’s good to go.

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[paragonbuilder]

Matched the intake gasket to the intake entrance

Had to take a good amount off the bottom


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[paragonbuilder]

Now the intake manifold

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[Ryan Browne]

This is very exciting! Can't wait to see it running.

 

[paragonbuilder]

This is very exciting! Can't wait to see it running.

Me too!!!! But I don’t want to skip details... [emoji41]


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[paragonbuilder]

Intake manifold done. I do it just like a port. I take it to the edges, then blend it back to the other side of the manifold.

It slightly asymmetrical, I’m just matching the stock port entry.


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[Ryan Browne]

Me too!!!! But I don’t want to skip details... [emoji41]


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Good call. Don't rush on my behalf. I might have unboxed a new Husky last week which has helped quench my new thirst for the other orange saws.
Forgive the mess, we just moved in a few weeks ago.

 

[paragonbuilder]

Good call. Don't rush on my behalf. I might have unboxed a new Husky last week which has helped quench my new thirst for the other orange saws. View attachment 112699
Forgive the mess, we just moved in a few weeks ago.

Very nice!


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[paragonbuilder]

This saw didn’t run before so I started pulling the carb apart. I don’t like the look of this diaphragm...

And it’s stiff...
I’m gonna need a carb kit.



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[paragonbuilder]

And what’s missing here?

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[smokey7]

Inlet screen looks to be missing. Real nice work on all of these 262s. Be curious to see how they all compare to each other.