Looking for compression specs
1987 135hp all stock Mercury
my gauge shows 118-120 , 2# varience between all 6 holes
weak battery , cold engine , throttle open
Thanks
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compression specs 135 merc
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77viper
- HSF Supporting Vendor
- Posts: 1989
- Joined: Mar 29, 2009 11:38 pm
- Location: montgomery MN
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Re: compression specs 135 merc
That sounds about right for stock heads. If in dought take a leakdown test.
Samari on s&f
Chet Olson
75 viper 2.4 200, 130 shot of NOS
91 vegas loaned out
79 vking project 2.5 280
Chet Olson
75 viper 2.4 200, 130 shot of NOS
91 vegas loaned out
79 vking project 2.5 280
Re: compression specs 135 merc
leakdown test tell u nothin really all that really shows is the there is a lil wear
but yeah them specs are good for stock heads
but yeah them specs are good for stock heads
Re: compression specs 135 merc
Thanks for the info
my clymer book does not show any numbers as a guideline
my clymer book does not show any numbers as a guideline
<> God is Great , Beer is Good , Boaters are Crazy <>
-
77viper
- HSF Supporting Vendor
- Posts: 1989
- Joined: Mar 29, 2009 11:38 pm
- Location: montgomery MN
- Contact:
Re: compression specs 135 merc
Can you eplain how a leak down isn't a better test that compression.lundocno wrote:leakdown test tell u nothin really all that really shows is the there is a lil wear
but yeah them specs are good for stock heads
Samari on s&f
Chet Olson
75 viper 2.4 200, 130 shot of NOS
91 vegas loaned out
79 vking project 2.5 280
Chet Olson
75 viper 2.4 200, 130 shot of NOS
91 vegas loaned out
79 vking project 2.5 280
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