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Was the Echo CS-7310P a fad or is anyone running them?

Dolkitafreak

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I absolutely get it.

Same reason my newest truck is a 1987 Dodge, and my newest tractor is a 1978 John Deere.

I have a MS362 on my bench right now that the MDG interface will not even recognize. Once I input the serial number, it knows that it is a MS362, but cannot communicate with the control module. Testing the system is impossible without the ability to connect to it. So what can I do? Shoot it with the parts cannon? I normally have a new Stihl of most every model here, but I don't have a MS362 because I don't see many new MS362s since the MS400 was released. So....I can't just swap parts till it fires up. I'm going to see if it will run with a MS400 control module tomorrow.
If you end up needing or wanting a spare coil let me know, I bought a new one testing a 400 I was having issues with and won’t use it ever. Price would be right 😁
 

Tor R

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Trick question: how many folks upgrade a saw to plastic caged crank bearings? Laughing!
Most have already upgraded to plastic caged bearings.
They came to Husqvarna in 1996, and gradually took over. Nowadays, it is mostly low end saws that use metal caged bearings.

Lack of lubrication and heavy xtorx pistons, and cold pressing of bearings are the main reasons for bearing races.
 

lehman live edge slab

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3 years ago I took a screen shot of the prices of a 7310pw: $900 24" bar or $850 pho. Now it's $1200 with a 24" bar.

To increase the price that much, why no walbro carb upgrade? Zama just sounds stupid.

Even though I've seen a zama carb outlast some walbros still..... zama just sound so stupid!

Wtf does zama even mean? Chinese zumba?

So what your say is Stihl parts are good enough for echo and husky? You realize zama is a carb company that Stihl owns 100% of.

This is just giving you a fun jab by the way they still make a good saw just not as cheaply as they did.
 

mainer_in_ak

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I went mildly ape-sh it with a pneumatic burr grinder. Only opened up secondary lowers. Left the primaries alone. Flattened top of that goofy round exuahst port.
Hogged out some of the muffler baffle and bent/pryed open the deflector.

Base gasket deleted. Used threebond 1207d. Bout .040 squish.

Removed the carb limiters.

Sanded down molding lines and sharp edges on the inside carb stack.

when that sealant cure for coupla days, will see how she pulls a 32" bar with c83 chain. Will run it against my ported cs 8000. I don't see 73.5 cc's of "triple port" out-cutting old school dual-port 81 cc's
20250107-195813.jpg

20250107-195641.jpg
 
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mainer_in_ak

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Some slightly annoying things:
As some folks know, the carb limiters are a btch to remove.

The muffler gasket imprint showed that the gasket wasn't seating completly at the bottom of the muffler. Came this way from the factory. I found some sort of gouge at the bottom of the cylinder exuahst port. Had to file it flat.

I guess some former husqvarna folks, went over to echo and were part of the team that designed the saw.

It's a weird saw its like a 372 oe, that got butt fked by a yz 125, on halloween.
 

lehman live edge slab

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Some slightly annoying things:
As some folks know, the carb limiters are a btch to remove.

The muffler gasket imprint showed that the gasket wasn't seating completly at the bottom of the muffler. Came this way from the factory. I found some sort of gouge at the bottom of the cylinder exuahst port. Had to file it flat.

I guess some former husqvarna folks, went over to echo and were part of the team that designed the saw.

It's a weird saw its like a 372 oe, that got butt fked by a yz 125, on halloween.
Why you ripping on echo? Decided to change sides for a bit? 😂
 

lehman live edge slab

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Some slightly annoying things:
As some folks know, the carb limiters are a btch to remove.

The muffler gasket imprint showed that the gasket wasn't seating completly at the bottom of the muffler. Came this way from the factory. I found some sort of gouge at the bottom of the cylinder exuahst port. Had to file it flat.

I guess some former husqvarna folks, went over to echo and were part of the team that designed the saw.

It's a weird saw its like a 372 oe, that got butt fked by a yz 125, on halloween.
It’s also crazy how you described this saw famous YouTuber is claiming he wants to make your description but with an 80 cc dirt bike cylinder and twin carbs possibly. Yet another of his wild builds that won’t happen.
As one of the comments says twin saw carbs would be easy just stack them together on long studs and make a linkage between to solve your issues of too small of carb to feed it.
 

mainer_in_ak

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Why you ripping on echo? Decided to change sides for a bit? 😂
Alright, I'll be a little more worldly here:

It's like a 372 oe that got butt fked by a yz 125, jonsered turbo (pre cleaned air injection) annnnd butt fked by stihl: zama carb and that top cover w/3 bolts that are 1/4 turn.
 

lehman live edge slab

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Alright, I'll be a little more worldly here:

It's like a 372 oe that got butt fked by a yz 125, jonsered turbo (pre cleaned air injection) annnnd butt fked by stihl: zama carb and that top cover w/3 bolts that are 1/4 turn.
Long as all the other companies got in on it should be good, combining the best of all brands is how you get to be elite.
 

lehman live edge slab

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Sniffed them real hard before Christmas. Half say it's great, other half say it's a POS stock. I retreated and will let time be the judge I guess.
I think it’s been out plenty long for decisions on it to be made, you either want it at this point or don’t. Plenty of guys have done full port jobs on them and ran against other 70 cc saws so just boils down to what you personally want right now.
 

huskihl

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Alright, I'll be a little more worldly here:

It's like a 372 oe that got butt fked by a yz 125, jonsered turbo (pre cleaned air injection) annnnd butt fked by stihl: zama carb and that top cover w/3 bolts that are 1/4 turn.
You misspelled “it’s like a 372 with the choke half closed” 😂
 

bwalker

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You misspelled “it’s like a 372 with the choke half closed” 😂
To me the transfer duct shape of the A transfer ports looks terrible. Hard to tell for the B's as they have been logged out.
Does not look at all like a OE 372 to my eyes.
 

huskihl

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To me the transfer duct shape of the A transfer ports looks terrible. Hard to tell for the B's as they have been logged out.
Does not look at all like a OE 372 to my eyes.
Inside they’re somewhat similar. The two lower transfers branching into three uppers is a little weird. I believe that’s just to get it to scavenge a little better.
 

mainer_in_ak

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Hahaha 😆, 372 on half choke. Yep! 60 thou squish, 106 degree exuahst roof.

The fkn Conway Twitty of 70 cc saws:

"You want a man with ah slowwwww chain"
 
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