Vehicle & Technical > Series Land Rovers

I've done a compression test on my Series 1 86" 2.0 and I think it's expensive

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auf_wiedersehen_pet:
I've done a compression test.

Cylinder 1 - 98PSI - In the red.
Cylinder 2 - 90PSI - In the red.
Cylinder 3 - Below 10PSI - Off the minimum scale.
Cylinder 4 - Below 10PSI - Off the minimum scale.

I'm guessing very tired engine and head gasket gone between 3 & 4.

What do you think?

carbore:
Did you do a wet test and dry test. IF its better with wet (few squirts of oil in the culnder) then it could be worn rings????

auf_wiedersehen_pet:

--- Quote from: carbore on May 04, 2009, 20:07:41 ---Did you do a wet test and dry test. IF its better with wet (few squirts of oil in the culnder) then it could be worn rings????

--- End quote ---

No. Just warmed it up and tested.

What sort of oil - engine oil?

What would be a good reading for a good engine?

carbore:
I have never done it, but read it /seen it on TV so please check with someone else, but my understanding is.

Put in 2-3 squirts (from al oil can) of your normal engine oil for each cyl. The oil acts as a temporary seal and helps eliminate worn rings/cyls

Thefore.

High Dry reading High Wet reading = All is ok
Low Dry Reading High wet reading - Worn rings/cyl
Low Dry reading Low wet reading = Problem on the TOP end eg Valves/valve timing (they could be worn/stuck open etc) or as you say Head/Gasket

I dont know what the Landy values should be, someone else may and may make sure my advice above is correct.

brixworth-alan:
When I had this problem with my Mini Metro circa 1989 it was the exhaust valves that had given up the ghost (at 75mph overtaking a lorry on the A1 as it happens  :lipsrsealed:)

Head off, New valves, and some grinding paste later- it was fixed. Manually intensive but strangely rewarding.

Hardest thing was buying sets of four valves for an a+ series engine :huh: most places had three or less, and prices for pattern parts ranged from £5- £27 each! Rover had only made about 3 million of those engines but made no spares.....

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