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Author Topic: Tested 3 372 today  (Read 4702 times)

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Re: Tested 3 372 today
« Reply #10 on: June 27, 2011, 02:45:20 pm »
Wild guess #1

#1 stock
#2 ported,  deaper sound and very small gain over # 1
#3 big bore, it kept RPM's up all the way thru the cuts.

#2 and #3 could be switched for wild guess #2. I have never handles saws like that so these really are "wild guess's".
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Re: Tested 3 372 today
« Reply #11 on: June 27, 2011, 02:57:18 pm »
I just edited the videos, so the title shows which was which.
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Re: Tested 3 372 today
« Reply #12 on: June 27, 2011, 04:03:00 pm »
You can definately tell which one was the big bore .
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Re: Tested 3 372 today
« Reply #13 on: June 27, 2011, 06:55:30 pm »
Woohoo! Send me my prize!! hahaha
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Re: Tested 3 372 today
« Reply #14 on: June 28, 2011, 05:40:04 pm »
Quote from: Dennis Cahoon on June 26, 2011, 08:08:27 pm
didn't run a stock saw for a comparison when they test cut the ported saws. I still wonder where the stock saw would have placed in the group of ported saws.  Without a base line of 5 cuts with the stock saw, we'll never know what % the builders have gained.

Dennis I found where a stock 372xp with muffler mod had run at 2 gtg's I was at.

Here is info 10x10 yellow poplar 2 or 3 cuts ( I forgot to list it)

375K 51.4mm ported  4.72
372 50mm ported 5.04 very good running saw
681 stock muffler mod 5.97
460 ported  6.28
372 50mm muffler mod 6.41 strongest stock I have ran
7900 ported 6.72
7900 big bore 84cc stock  muffler mod 6.97



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Re: Tested 3 372 today
« Reply #15 on: June 28, 2011, 05:48:52 pm »
DC another gtg.

2 cuts in FIRM 8x8 yellow poplar  mm = muffler mod

375K ported  2.70
460 ported 2.81
7900 ported  3.68
372 50mm ported 3.75
681 stock mm 4.00
681 stock mm 4.91
372 50mm stock mm 5.25    I dont think he had a race chain on for his 1st gtg   ;)


2 cuts very FIRM 10x10 yellow poplar 

375 ported  5.10
066 Big Bore ported 5.30
066 ported 5.31
7900 ported  6.59
460 ported  6.60
681 stock mm  7.62
395 stock  8.12
372 50mm ported  8.25
075  13.19
372 50mm stock mm  13.41

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Re: Tested 3 372 today
« Reply #16 on: June 30, 2011, 08:25:01 am »
Quote from: 05_sprcrw on June 27, 2011, 08:46:16 am
definitely some strong saws makes me want to get a 372.

Who doesn't?   ;D

I don't need it, but I have one anyway........ ::)
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Re: Tested 3 372 today
« Reply #17 on: June 30, 2011, 02:46:38 pm »
Never had the need or desire for one.
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Re: Tested 3 372 today
« Reply #18 on: September 03, 2011, 01:03:13 pm »
I am thinking about taking a little more off the base of one or both of the ported 372's. What is the safest an tightest squish you guys have run on a WORK saw without problems?  No pop up pistons are being used.
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Re: Tested 3 372 today
« Reply #19 on: September 03, 2011, 05:45:49 pm »
I like .020 on 70cc up. I have had no trouble running .015 on 50cc.
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