Dolmar 64xx/73xx/79xx series, smurfs and solo 665/675/681 thread

[huskyboy]

If buying new? Might as well get the larger bore. However if I had the 7300/7310 I wouldn’t throw away the topend for a 7900/7910 cylinder. I’d spend that $ on porting the 7300/7310.

 

[kingOFgEEEks]

I’ve heard the 7300 has a little better port timing (stock) vs a 7900. I’m not an expert though, so I’m only spreading hearsay.

 

[NCFarmboy]

Always wanted to see how a 7300 runs versus OE372 and MS440 stock for stock or all ported. Would like have one but they are scarce to nonexistent in my area. My money would be on the 7300.
Shep

 

[bigbadbob]

Speaking of Smurfs...

The guys I got the 9010 from last week is now tempting me with this DCS7300.

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Ya all got trees big enough fer the 9010??

 

[GCJenks204]

Ya all got trees big enough fer the 9010??

Some of the city Elms would require it but that one is already headed to New York. That makes the 4th or 5th 90cc saw that I have owned and sold...

 

[Greg Newman]

Are there any differences between the 6401 and 6421?

 

[huskihl]

Some of the city Elms would require it but that one is already headed to New York. That makes the 4th or 5th 90cc saw that I have owned and sold...

I've seen where you're from. You should've been a fan of combines instead of chainsaws

 

[GCJenks204]

I've seen where you're from. You should've been a fan of combines instead of chainsaws

Funny you should mention combines, the grandfather of one of my friends invented the first rotary combine and was just inducted in to the Canadian Agriculture Hall of Fame...

 

[GCJenks204]

I've seen where you're from. You should've been a fan of combines instead of chainsaws

Speaking of are you coming up this year?

 

[huskihl]

Funny you should mention combines, the grandfather of one of my friends invented the first rotary combine and was just inducted in to the Canadian Agriculture Hall of Fame...

Never seen soil so black and fields so flat as up there

 

[SOS Ridgerider]

Are there any differences between the 6401 and 6421?

It’s more or less the same thing.

6401 had gloss top covers in grey or black, left hand decomp, and a non cat muffler.

6421 is the newer version. Flat black top covers, right hand decomp, and stainless cat muffler.

The decals on the saws are a little different as well. I’m sure there may be other things that are different, as there have been changes made through the years, but those are the ones that come to mind quickly and are easy to spot.

 

[huskihl]

Speaking of are you coming up this year?

Negative. I don't think anyone from our group is going. 1st time in 18 years

 

[Rob Stafari]

The early 6421's still had a left and decomp, but had gotten the cat muffler 'upgrade.'

 

[Wood Chopper]

Ya all got trees big enough fer the 9010??

I've got a couple big oaks and silver maple that are going to have a meet and greet with her.

 

[mettee]

Built in timing advance..
No need for more than half a fin..

Does the 6421 red coil have advance?

 

[T.Roller]

Does the 6421 red coil have advance?

That's the same one

 

[mettee]

That's the same one

But they do have advance so when you cut the key to add some timing what's the concensus? Still go 6 degrees?

 

[mettee]

I'm on page 24, this is a dang good thread.

 

[T.Roller]

But they do have advance so when you cut the key to add some timing what's the concensus? Still go 6 degrees?

I dunno I went half the key atleast. It seems fine

 

[huskyboy]

My next mod is going to be modding the oiler on these. It’s better than a 1128 stihl, but its no husky oiler. I modded the little 421 oiler already. Great results. Hopefully this one isn’t too difficult. Any input or tips on modifying the oiler on these would be greatly appreciated for me and the thread.....