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upstateamish's latest activity
U
upstateamish
replied to the thread
Hybrid clonesaw 365 with a 390 topend - aka the "86'r from youtube"
.
Running echo red armor @ 40:1 Piston / cylinder look decent. wiped things down, tweaked the carb slightly and it doesn't seem to be...
May 6, 2025
U
upstateamish
replied to the thread
Hybrid clonesaw 365 with a 390 topend - aka the "86'r from youtube"
.
3rd run, getting it tuned in a bit more, I think I've almost go it dialed in so it will rev and won't die after sitting at idle for a...
May 4, 2025
U
upstateamish
replied to the thread
Hybrid clonesaw 365 with a 390 topend - aka the "86'r from youtube"
.
ok, I believe I found the source of that knock. I sheared the timing key on the flywheel when the lock washer came loose. I happen to...
May 3, 2025
U
upstateamish
replied to the thread
Hybrid clonesaw 365 with a 390 topend - aka the "86'r from youtube"
.
Alright. after searching through the bins for a bunch of random parts along the way... Got it together. I have a couple parts that still...
May 2, 2025
U
upstateamish
replied to the thread
Hybrid clonesaw 365 with a 390 topend - aka the "86'r from youtube"
.
Parts arrived over my lunch break! I installed the new seal and it is now holding pressure/vaccuum. So I started pulling the rest of...
May 2, 2025
U
upstateamish
reacted to
Ketchup's post
in the thread
Hybrid clonesaw 365 with a 390 topend - aka the "86'r from youtube"
with
Like
.
Looking at 385/390, there’s no bushing. The oil gear just rides on the pump. Seems like that would overheat the gear, but it would...
May 2, 2025
U
upstateamish
replied to the thread
Hybrid clonesaw 365 with a 390 topend - aka the "86'r from youtube"
.
Yeah, I don't have an actual 385/390 to reference but from what I can tell in my research they changed their bearing style to move to an...
May 2, 2025
U
upstateamish
replied to the thread
Hybrid clonesaw 365 with a 390 topend - aka the "86'r from youtube"
.
Me too! If it works, the next prototype will need some additonal case trenching on the clutch side to case match the transfers. And...
May 2, 2025
U
upstateamish
reacted to
Ketchup's post
in the thread
Hybrid clonesaw 365 with a 390 topend - aka the "86'r from youtube"
with
Like
.
Great work! Very excited to see a 95cc 372.
May 2, 2025
U
upstateamish
replied to the thread
Hybrid clonesaw 365 with a 390 topend - aka the "86'r from youtube"
.
Ok, some forward progress, I have the short block together (well, as far as I can get tonight) - new crankshaft bushing made - piston...
May 1, 2025
U
upstateamish
reacted to
Ketchup's post
in the thread
Hybrid clonesaw 365 with a 390 topend - aka the "86'r from youtube"
with
Like
.
My first try was 82/100/122. It’s apart right now and I bumped to 82/98/122. I epoxied the transfers but didn’t break through. Once...
Apr 23, 2025
U
upstateamish
reacted to
Outback's post
in the thread
Hybrid clonesaw 365 with a 390 topend - aka the "86'r from youtube"
with
Like
.
If that's the case I would say that less is more as regards the intake timing. Keep that primary compression up as high as you can.
Apr 23, 2025
U
upstateamish
reacted to
Jake Dykstra's post
in the thread
390xp advice
with
Like
.
So I checked the compression on the 395 as I bought it used. 155psi so not to bad. Put a new filter on it. Plug looked good. I bought it...
Apr 22, 2025
U
upstateamish
replied to the thread
Hybrid clonesaw 365 with a 390 topend - aka the "86'r from youtube"
.
Agreed on that amount of blowdown it seems like a lot. But I was reading somewhere (maybe this thread?) that this particular bigbore kit...
Apr 22, 2025
U
upstateamish
reacted to
Powerstroke Cowboy's post
in the thread
Hybrid clonesaw 365 with a 390 topend - aka the "86'r from youtube"
with
Like
.
Looking good! Glad to see it's coming along as well as it is. All the little (sometimes big) hurdles is what makes these builds...
Apr 22, 2025
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