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Minnesota Classic Glastron Forum
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merc 700
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Topic: merc 700 (Read 2616 times)
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TomLund
Hero Member
Posts: 601
BOATLESS
merc 700
«
on:
February 19, 2012, 01:20:20 PM »
What is good compression for a merc 700 its a 3 cyclinder? I can't seem to find any info on internet about it.
Thanks Tom
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Painting With Color Inc
Living Life in Color
Hyperacme
Administrator
Hero Member
Posts: 13306
Re: merc 700
«
Reply #1 on:
February 19, 2012, 01:27:42 PM »
Would guess 110 to 130, give or take a few ...
What ya gettin' ?
Have ya tried soaking pistons, rings, ring lands with Power tune or Seafoam ?
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Jason
Global Moderator
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Posts: 5564
1974 CV16SS, 1986 CV23
Re: merc 700
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Reply #2 on:
February 19, 2012, 01:46:45 PM »
According to Mr. Sellner, a leak down test is more important than compression. But you need a fancy tester for this.
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Jason S.
1974 Glastron Carlson CV16SS 140 I/O
1986 Glastron Carlson CV23 260 I/O
TomLund
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Posts: 601
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Re: merc 700
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Reply #3 on:
February 19, 2012, 02:32:58 PM »
I already have the merc 700 on my four winns 150 but when i put it away it didn't seem run right i am stuck right now with my 66 and no place to work on that i am so bored i have been thinking of working on that motor too.
Cabin fever sucks lol
Tom
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Painting With Color Inc
Living Life in Color
wiliermdb
Hero Member
Posts: 566
Re: merc 700
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Reply #4 on:
February 19, 2012, 04:09:11 PM »
You can pick up a compression test kit as well as a leak down tester for under $100 at Harbor Freight tools. I gave my family a list of tools I needed (wanted) for my workshop and I brought them to the guy who did the work on my old 115. He used it side-by-side with his expensive Snap-On sets and it was dead accurate. Both come in a nice hard case for safe storage. Picked up a spark tester as well. Already used it to rule out a couple of motors I was interested in purchasing.
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TomLund
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Posts: 601
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Re: merc 700
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Reply #5 on:
February 20, 2012, 05:46:51 AM »
Thanks guys i got a call last night a guy is supposed to be coming out tuesday to look at it hopfully it will go on the back of his truck that night if not i will continue to start working on it. I need that money to dump into my 66 i would cross my fingures but that never seems to work lol
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Painting With Color Inc
Living Life in Color
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merc 700