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Super Pro 81 is going back together...slowly. Hopefully leak testing today.

These 3 saws are all you'd need to tackle pretty much anything. Very nice!

Super Pro 81 engine is now ported and assembled...very grateful for the porting threads that Randy started a few years back and everyone who shared their knowledge. I'm learning a lot. Pic of the exhaust port...skills are slowly improving with every saw.

Super Pro 81 I'm in the middle of porting...hope to have it done this weekend.

Powder coat? That would look awesome :):)

Looks like your Mac collection is starting again!!:):)

Those look great Mark!

Lol true.

I miss the 254...sniff sniff

Thanks Mark. Great info!

Interesting that the mac 10-10 logo is the same as the right hand start saws as well.

For sure. This stuff is great to know so we can fix them.

It just seems odd that they list the pro mac 10-10S specific part numbers in the pro mac 10-10 IPLs at all.

Those are sweet!

The BH108 is also used in the 10 series mac's on the clutch side. Good info.

I can look around. What are the part numbers?

Might be as close as we are going to get. From my understanding the later pro mac 10-10 saws were electronic ignition as well. I'm surprised McCulloch has this screwed up so bad. Will you provide a copy of the pro mac 10-10 you have that lists all the dashes ?

Mine measured at 1.744-1.745... hard to be precise with a straw. Definitely not 1.81. 54cc it is. So the questions is, how do we get an IPL that lists the correct part numbers ? Even the Mac one has the 1.81 listed.

let me go check mine quick.

I am. It still doesn't answer why every single IPL has the 1.81 piston listed....unless they copied one for all the models ?