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70cc class Dyno day

ayoungtexan

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I’m gonna take the Echo for a 70cc. Sure it may not have the power of the 572 or the 462. And it’s also heavier than those saws as well. But it’s a lot cheaper than those saws too. I don’t need the best and most expensive saw. I want the one that’s reliable, built well, and the best value. It seems like that saw is the 7310.
 

P.M.P.

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I’m gonna take the Echo for a 70cc. Sure it may not have the power of the 572 or the 462. And it’s also heavier than those saws as well. But it’s a lot cheaper than those saws too. I don’t need the best and most expensive saw. I want the one that’s reliable, built well, and the best value. It seems like that saw is the 7310.

Makita 7900 can be had for less
 

andyshine77

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And checks the reliable value boxes as well. Tough proven saw. The 7310 would need to be pretty special for me to pick it over a 7900/7910...

I like the 7900 better, but I have a sweet tooth for the 7900.:D The Echo has better AV, balance, fit and finish, it's really simple and easy to work on. In my opinion the best filter setup on the market, and it feels like you could use it as a hammer. Nowhere near the power of a 7900, and it's larger/heavier. Out of the 572xp, 462, 500i and the 7900, I do place the Echo at the bottom, even though I still like it, @ $750 it's still a great value.
 

Wolverine

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So how efficient is each saw per cc?? Sure, the biggest displacement is going to punch the hardest, duh.

572 @ 71cc = 6.69hp .0942hp/cc
3710p @ 73.5(?)cc = 5.36hp .0729hp/cc
7900 @ 78.5cc = 6.47hp .0824hp/cc
500i @ 79.2cc = 7.10hp .0896hp/cc
462 @ 72.2cc = 6.78hp .0939hp/cc

Husky FTW. :campeon2:
 

andyshine77

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The 7310 goes the longest on a tank, 572, 7900, 462, 500i. This isn't hard fact just what I noticed, if one was to do things scientifically it would likely be a bit different, except for the 7310 and 500i, the others are closer.
 
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Deets066

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