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

[RI Chevy]

Sachs Dolmar Red silly...

 

[Wood Chopper]

I don’t think so. Lol. Could be wrong. More of a warm red.


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[Glock37]

Cust send a nos cover we matched the best we could shade wise



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[Glock37]

I saw a pic that had 3 dolmars in it and 3 different shades of color witch one do you. Match


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[Wood Chopper]

I saw a pic that had 3 dolmars in it and 3 different shades of color witch one do you. Match


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Not sure but I like the one you guys chose.


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[huskyboy]

 

[huskyboy]

Well it’s been a while since I ran the ported redtop 7900 in the big test log since I made some changes to it. Cut the very last cookie this log had in it, about 1/4” to cut lol. 32” full comp.

48.96 seconds. Not apples to apples, but it’s definitely faster than the over 58 seconds cut I managed to get earlier in the year with a slightly different setup.

Might be able to get a little more out of it with a different carb but I’m happy with the power it has... for now. Lol

 

[Wilhelm]

A thing of beauty, Dolmar PS-7900 & 36" Iggesund Forest bar

 

[stranter]

Can someone help me fitting a 272 coil. Can’t seem to juggle the wires in. Have I got the right coil? Do I need to pull through some more wire?
Thanks in advance

 

[Deets066]

Can someone help me fitting a 272 coil. Can’t seem to juggle the wires in. Have I got the right coil? Do I need to pull through some more wire?
Thanks in advance

You’ll need a longer plug wire than stock. Fit the coil first, then route your wire and cut to length.

Also, you won’t be using the flywheel key. Timing is way different

 

[RI Chevy]

So the flywheel "floats"? Just pressed on?

 

[huskihl]

So the flywheel "floats"? Just pressed on?

Yep

 

[RI Chevy]

Interesting stuff. Thanks Kevin...
Lotsa work to fit though...
Nothing but respect for you saw builders and porters...[emoji106]

 

[Deets066]

So the flywheel "floats"? Just pressed on?

The key isn’t supposed to “hold” anything. It’s only there for alignment

 

[RI Chevy]

Oh. I didn't realize that Keith. TY for the info...
I'm just a saw user. Able to do routine maintenance and stuff.
But I always am open to learn...[emoji106]

 

[stranter]

You’ll need a longer plug wire than stock. Fit the coil first, then route your wire and cut to length.

Also, you won’t be using the flywheel key. Timing is way different

Thanks for the info.
Does the wire still need to go under the coil in the same way, just carry on up and over? What do you do about the 90° bend into the coil?
Sorry for being simple, but electrics are not my thing, what type/ gauge wire will I need?

I have the diagram for flywheel set up. The key has sheared off mine so thought might as well do the 272 coil mod, starting to wonder if it’s worth the effort [emoji849]

 

[Wilhelm]

Technically You only need/want a coil swap on a highly modded saw.

 

[Deets066]

Thanks for the info.
Does the wire still need to go under the coil in the same way, just carry on up and over? What do you do about the 90° bend into the coil?
Sorry for being simple, but electrics are not my thing, what type/ gauge wire will I need?

I have the diagram for flywheel set up. The key has sheared off mine so thought might as well do the 272 coil mod, starting to wonder if it’s worth the effort [emoji849]

Yup, bend her tight and stick it under

 

[Deets066]

Technically You only need/want a coil swap on a highly modded saw.

I disagree

 

[NPKenny]

I disagree

Please elaborate. Are you noticing better characteristics throughout the RPM range? Better starting, advance, etc.?? Obviously tuning and top end are benefitted.