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10 ci west bend custom. three tollitson carbs gem intakes custom head all the best parts welded stroker crank made by Pete Jackson in 1968 custom long skirt wisco piston . 3500 ready to race

mostly just the cool part.----heavy too.--- we used them on our race saws for a season. sugi. lightweight are my favorite. with the heel trimmed to fit a 10 on our mac 101's and my west bend i have never had a chain problem. 32 in bars . we dont race the fence post thing up here

I know this is a super old post but we use chips in all our mac race saws and putting a 101 in a sp frame is a piece of cake. takes an hour to do it. i have built a ton of 101 125 race saws and anyone can do it .all our saws start on a half a pull with a std. flywheel and 30 degrees of timing...

i have a 40 i have a 40 on it. jet ski type. rejetted also. 2 down on the big end.

i have a 40 i have a 40 on it. jet ski type. rejetted also. 2 down on the big end.

yes i see your point. i have been training with the 15 thats on it for weeks. its a scary ***** as is. i have a 20 but i need to get a chain for it. i have been building mac's for other classes and they suck up all your money. when they are done ill get the guys at longbar to make me a chain...

this was my first season running my new saw. i have raced it in the unlimmited class hot start one cut with a 36 in bar. i have changed to short bar 24in and 404 high tooth. i have been running a 15 tooth sprocket with the big bar but dont know how big to go with the short one. We will be doing...

single cyl only at all the shows we race in. two dont fly. cool paper weight though

I ordered two of the 090 curbs off fleabag for my mac 9 hot saw. They work great. I have been chasing a hi lean condition on that saw with the old hl's from the old go cart days, and the ones from China are great. I don't trust things from China but they were so cheap if they didn't work we...

. l ran a 404 80 gauge on my mac 9 last season. Did a lot of work on the chain, but was still too big for the saw. We cut big logs in our local races and the bar makes the saw a little hard to handle. Changed to a stock bar off my 372 with the heal cut to match a 10 tooth sprocket. Now the saw...

That's what happened mike.

Yes I used one last weekend on a big ponderosa. I have a 36" mill and use a real ripping chain. I used it because my old 380 husky didn't want to idle that morning and the bar is the same. Don't get in a hurly and it will work just fine. Mike

I must agree. My 2002 with 8 tooth socket eats as fast as anyone on the hill. 32" bar and full chiz. 3/8 50. mike

We soaked the chain for my wifes hot saw in prolong for a week or so. Don't know if it helped or not. Did a 10.6 in a 30 in sugar pine log last weekend . I think it was the nitro that helped the most-----mike

That thing needs a expansion chamber. Very retro. ----mike

I must side with stinkbait. I have built hundreds of motors of all kinds. If the machine work is solid, the dog is ready to hunt. A new saw is a machinests work of art, and should be run like intended from the start. If it isn't, lets hope it blows in the first year. Keep them clean,run good...

Nice bunch of yellow you have there. I need more macs.-----mike

Just got back from town and a guy at napa had a 330 homelite with a bow bar in the back of his truck, and yes I talked him out of it Ill clean it up and show ya later. First bow bar for my collection-------mike