Hello Tinman for the guy with no spark I had a 372 I went through 4 coils with spark sometimes and other times no spark drove me crazy I sent 1 to ironhorse to test before we figured out that the end wasn't put on correctly inside the sparkplug boot!!! Now talk about a new build nightmare LOL
Interesting talk on saw timing. If I was younger and used my saws more, I would do some experimenting, but for now at least, I'll just enjoy learning about the ins and outs of timing. I have a couple of 2100s to restore, and I will do some thinking as to whether I want to modify one. I have had a lathe since 1970, and wouldn't be without one. I also have a small vertical mill, but if I could have only one of the two, it would be a lathe. When I didn't have a mill, I made a milling adapter to do milling on my lathe. It worked great. I have cut a lot of my own gaskets over the years.
Tinman no lathe here. As a metal stud framer for 40+ years I also have had many cuts on the job. The worst from tangling with a 4 inch grinder. Love your videos, I've got my husky 350 all torn apart getting ready to rebuild her. I've learned a lot from you thanks
Tinman- love the content! Gotta share this with you- try this please- when using the hole punch to make gaskets, do it on a steel surface, No cardboard. Tap lightly so you don’t crush the end of the punch- with no cardboard cushion the punch works through the gasket material very easily. Lighter taps. Clean holes. 👍
I always, always learn something watching other guys work on their saws. As much as social media has hurt society, it has also really helped society. The fact that builders and saw enthusiasts across the globe can all sit down and interact during a build is phenomenal. It makes us all better builders. Thanks for great content Tinman.
I tossed together a 372 with a 268 piston a while back, stacked base gaskets, purely out of curosity how it was going to run. Intake ended up at 164, which is more than I like, but the 372 seems to be blenty happy without the extra case compression. OEM jug, 0.0195 squish, exhaust ended up at 102, transfers at 124. Thing ran very well even before I ported it, no shortage of snap on the throttle. I have not played with a 52mm setup in quite some time.
South bend 9 inch lathe from 1945. They don't build them like that anymore! It gets a little tight turning cylinders sometimes, but they just means you have to get creative!
Have not so easy access to a lathe but dont have one. So nice to be able to just jump online and order the gaskets you need! But I still keep several rolls and a couple sheets in my shop.
I was able to do a 272 piston in a big bore 372 build without any lathe work by putting in a shim gasket in and using JB weld on the intake ironhorse style and it worked a treat
Hmm thumbs, I sliced halfway through the tip of one of mine with freshly sharpened hedge trimmers , the hospital took an xray and found the cut was 1mm away from the bone, it took years for the feeling to come back in the tip of that thumb. Look after them, you only get two of em...
That seems like a thick gasket...hmmm. I guess we will see how it turns out. No lathe in my shop. Timed out my 272xp, with a base gasket .027thou squish, 148° intake duration, 104° on the exhaust and 21° blow down. Polished up the exhaust port and cleaned up the piston windows. Let me know what you think. I think I will run with these numbers and see how it cuts. TC Mahalo Tinman 🤙🤙🤙
Right now I have a newer model 462 a guy ran alcohol in 🤣 I'm gonna try a 461 piston. Ik it's not a stato piston but ik the 461 piston is taller and the intake with 461 piston has too big of a intake. I'm gonna try a bigger gasket cause the top of piston dosent clear squish with stock gasket. Gonna try this any input would be helpful. Thanks for the awesome videos and keep on keepin on man!
Hey buddy good to see you in the shop this Friday, nice lookin build you have goin on here. How would you compare your 266 50mm to a saw like hogans 266 52mm? You and the family have a good weekend
I always learn something new when I watch your videos. I know this video is several months old, but I hope you answer my question. I have a 365 Special that the spark plug"s ground electrode broke off while it was running wide open. It ran around the top of the piston siezing the ring and peckering up the squish band before it traveled down a transfer and wedging between the crank throw and case where it locked up the engine. I've been watching yours and Ironhorse's videos on how to port a cylinder. I used this cylinder to learn to port on. I also removed the damage to the squish band. I actually did a good job on the porting and thought I might try to use this cylinder. I have around 0.055" squish now. I thought I might do a similar piston swap. My question is will a Stilh 036 piston or a Husky 262 piston work? If so does it need to be a pop up piston and which do you recommend? If you don't want to make a recommendation I understand but could you give me the demensions of each piston? I know they are both 48mm diameter. I need to know the distance from the top edge of the piston to the center of the wrist pin and to the bottom of the skirt. I don"t have money to spend on parts to be able to measure them to see if they may work. Thanks!
First off, thank you for the excellent content and sharing your knowledge. Now I might be missing something but wouldn’t raising the cylinder actually help to prevent free port as you are raising the bottom of the exhaust further up the piston? I’m just out here learning as much as I can before I take the plunge into porting my saw.
hey Tinman. Great content, love it. I am building a 266XP currently and have a question. I need more intake duration and don't want to enlarge my intake to much and slow the velocity down, If i cut the skirt down a bit on my piston, do I need to trim both sides? didn't know if it would throw the balance off and wear one side of the piston more or prematurely? thanks a bunch for the time, Shelby Wright
Hey tinman, built a 372xp not long ago, intake 154° exhaust 99°(stock) and 24° blowdown, runs awsome idles great, but takes like 8 pulls to start, may i have done something? its got a brand new carb kit bearings seals bottom and top end, any ideas on direction to look into, thnx
I traded a load of firewood for a 372 about 20 years ago, it had just been rebuilt. It had the same issue but I never thought anything of it because it always worked good, fast forward to 2023 and I watched Steve’s small engine saloon about carb tuning, I adjusted the low speed jet out a little, now it’s running in three pulls. It also ran excellent and would idle no problem. Just an idea
It may need more low jet like .aybe 1/8 turn. Or perhapse the little oring behind the sleeve on the clutch side is missing, that can cause a small air leak.
Thnx for the advice, it deffinetly had that little o ring when i rebuilt it, thnx to the tinmans videos i knew the o ring was necessary, screwed the low jet in a smidge and bam runnin like a top
All my Harleys have homemade gaskets from yours truly, glad I'm not alone!! Thanks for sharing Tinman, Be easy brother ✊️
Thanks buddy!! I've made a harley gasket or 2 in my day.
Hello Tinman for the guy with no spark I had a 372 I went through 4 coils with spark sometimes and other times no spark drove me crazy I sent 1 to ironhorse to test before we figured out that the end wasn't put on correctly inside the sparkplug boot!!! Now talk about a new build nightmare LOL
Paul from Iowa, Great Video Timman, Appreciate the videos, God Bless you and your family
Interesting talk on saw timing. If I was younger and used my saws more, I would do some experimenting, but for now at least, I'll just enjoy learning about the ins and outs of timing. I have a couple of 2100s to restore, and I will do some thinking as to whether I want to modify one.
I have had a lathe since 1970, and wouldn't be without one. I also have a small vertical mill, but if I could have only one of the two, it would be a lathe. When I didn't have a mill, I made a milling adapter to do milling on my lathe. It worked great.
I have cut a lot of my own gaskets over the years.
Tinman no lathe here. As a metal stud framer for 40+ years I also have had many cuts on the job. The worst from tangling with a 4 inch grinder. Love your videos, I've got my husky 350 all torn apart getting ready to rebuild her. I've learned a lot from you thanks
350 is mean once its ported, id rather have my 350 than my 545 for limbing and small stuff
Those studs are super sharp!!
I'd like to see the same cylinder timed on different cases to see the variances in the deck heights!
Tinman- love the content! Gotta share this with you- try this please- when using the hole punch to make gaskets, do it on a steel surface, No cardboard. Tap lightly so you don’t crush the end of the punch- with no cardboard cushion the punch works through the gasket material very easily. Lighter taps. Clean holes. 👍
I always, always learn something watching other guys work on their saws. As much as social media has hurt society, it has also really helped society. The fact that builders and saw enthusiasts across the globe can all sit down and interact during a build is phenomenal. It makes us all better builders. Thanks for great content Tinman.
This is exactly why I'm here!!
FYI, empty shell casings work really well for punching holes .270 makes nice 1/4" holes 32 cal makes 5/16", .38/.357 makes 3/8 nicely
I tossed together a 372 with a 268 piston a while back, stacked base gaskets, purely out of curosity how it was going to run. Intake ended up at 164, which is more than I like, but the 372 seems to be blenty happy without the extra case compression. OEM jug, 0.0195 squish, exhaust ended up at 102, transfers at 124. Thing ran very well even before I ported it, no shortage of snap on the throttle.
I have not played with a 52mm setup in quite some time.
South bend 9 inch lathe from 1945. They don't build them like that anymore! It gets a little tight turning cylinders sometimes, but they just means you have to get creative!
Great information Tinman. You are one of the best out there.
Have not so easy access to a lathe but dont have one. So nice to be able to just jump online and order the gaskets you need! But I still keep several rolls and a couple sheets in my shop.
Cereal boxes were the gasket material I learned on. Use the end grain of a 2x4 for clean holes.😅
I was able to do a 272 piston in a big bore 372 build without any lathe work by putting in a shim gasket in and using JB weld on the intake ironhorse style and it worked a treat
Great video, love the way you show and talk through what your doing and why.
With a thick base gasket like that use a torque wrench so your cylinder is sitting parallel to the case . 🇦🇺👍🏻great stuff Tinman
Hmm thumbs, I sliced halfway through the tip of one of mine with freshly sharpened hedge trimmers , the hospital took an xray and found the cut was 1mm away from the bone, it took years for the feeling to come back in the tip of that thumb. Look after them, you only get two of em...
That seems like a thick gasket...hmmm. I guess we will see how it turns out. No lathe in my shop. Timed out my 272xp, with a base gasket .027thou squish, 148° intake duration, 104° on the exhaust and 21° blow down. Polished up the exhaust port and cleaned up the piston windows. Let me know what you think. I think I will run with these numbers and see how it cuts. TC Mahalo Tinman 🤙🤙🤙
I‘m lucky to have full access to a variety of lathes, CNCs and more.
For my self made gaskets I use a paper puncher to make the holes 😅
this is a wicked discovery! good stuff tinman
Your hole punch tool sure looks like a track cutter for installing studs in a snowmobile track lol
Great video bud
sand the one ring down thinner like the iron house saw you have 372 love that one
I miss my lathes. Had an old harbor freight bench top ,it would have done most of these parts & cylinders
If you soak that karropak in warm water it cuts like notebook paper with an x-acto knife
Right now I have a newer model 462 a guy ran alcohol in 🤣 I'm gonna try a 461 piston. Ik it's not a stato piston but ik the 461 piston is taller and the intake with 461 piston has too big of a intake. I'm gonna try a bigger gasket cause the top of piston dosent clear squish with stock gasket. Gonna try this any input would be helpful. Thanks for the awesome videos and keep on keepin on man!
I said pardon? You're gonna end up wearin yer skirt?
Bro! LATHE..??? I don’t even have a work bench… …. I got a work floor!! At least it’s inside, heated and out of the rain though!!
Good stuff!…
Thanks!
Hey buddy good to see you in the shop this Friday, nice lookin build you have goin on here.
How would you compare your 266 50mm to a saw like hogans 266 52mm?
You and the family have a good weekend
I always learn something new when I watch your videos. I know this video is several months old, but I hope you answer my question. I have a 365 Special that the spark plug"s ground electrode broke off while it was running wide open. It ran around the top of the piston siezing the ring and peckering up the squish band before it traveled down a transfer and wedging between the crank throw and case where it locked up the engine. I've been watching yours and Ironhorse's videos on how to port a cylinder. I used this cylinder to learn to port on. I also removed the damage to the squish band. I actually did a good job on the porting and thought I might try to use this cylinder. I have around 0.055" squish now. I thought I might do a similar piston swap. My question is will a Stilh 036 piston or a Husky 262 piston work? If so does it need to be a pop up piston and which do you recommend? If you don't want to make a recommendation I understand but could you give me the demensions of each piston? I know they are both 48mm diameter. I need to know the distance from the top edge of the piston to the center of the wrist pin and to the bottom of the skirt. I don"t have money to spend on parts to be able to measure them to see if they may work. Thanks!
Wood lathe, No metal lathe
She be rite mate😊😊
Thanks!
Thanks for your support wade
Great video 😁
Check it out boys great tips on rebuilding chainsaw engine, carry on boys . 😊
awesome video tinman peace an love stu.
First off, thank you for the excellent content and sharing your knowledge. Now I might be missing something but wouldn’t raising the cylinder actually help to prevent free port as you are raising the bottom of the exhaust further up the piston? I’m just out here learning as much as I can before I take the plunge into porting my saw.
You are right, but i think he mentioned that the piston skirt is shorter with that new piston.
I knew I must’ve missed something. Thanks
No lathe, want one..
I have a lathe, old southbend 9"
If it doesn't freeport without a base gasket it won't freeport with one.
hey Tinman. Great content, love it. I am building a 266XP currently and have a question. I need more intake duration and don't want to enlarge my intake to much and slow the velocity down, If i cut the skirt down a bit on my piston, do I need to trim both sides? didn't know if it would throw the balance off and wear one side of the piston more or prematurely? thanks a bunch for the time, Shelby Wright
Cut the intake side only it will work just fine. Happy porting!!
No lathe and my MS390 clamshell has poor snap at 156 intake.
No lathe, have 2 friends with one tho
Hey tinman I just rebuilt a Stihl 028 wood boss and I replaced all the seals and gaskets and I just can't get it to tune you got any advice for me?
No lathe hear. I just mix and match parts as necesary to get desired results.
What is the thickness of the gasket you made ??
Hey tinman, built a 372xp not long ago, intake 154° exhaust 99°(stock) and 24° blowdown, runs awsome idles great, but takes like 8 pulls to start, may i have done something? its got a brand new carb kit bearings seals bottom and top end, any ideas on direction to look into, thnx
look how the fuel filter looks,if dirty doesnt get fuel so easy.
I traded a load of firewood for a 372 about 20 years ago, it had just been rebuilt. It had the same issue but I never thought anything of it because it always worked good, fast forward to 2023 and I watched Steve’s small engine saloon about carb tuning, I adjusted the low speed jet out a little, now it’s running in three pulls.
It also ran excellent and would idle no problem. Just an idea
It may need more low jet like .aybe 1/8 turn. Or perhapse the little oring behind the sleeve on the clutch side is missing, that can cause a small air leak.
Thnx for the advice, it deffinetly had that little o ring when i rebuilt it, thnx to the tinmans videos i knew the o ring was necessary, screwed the low jet in a smidge and bam runnin like a top
No lathe here.
Can you use JB Weld on the intake to bring the timing into the low 150's ?
Yes but I'd prefer not to
No lathe here. Dremel tool however.
Comment from me
No
no lathe