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JW in MO 
Orange Level
Joined: 16 Feb 2010
Location: South KC Area
Points: 2595
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 Topic: Which way to go
Posted: 05 Jan 2019 at 9:23pm |
Bought a cheap 02 Isuzu Trooper supposedly with bad lower engine knock, I have a 98 with an excellent engine I was planning to put in it, not a perfect easy transfer but doable. With my bad hearing I got a second opinion but sure enough the knock is on the top side. Pulled the plugs, bore scope won't go past spark plugs but I can see what appears to be carbon in #5 cylinder. Further inspection shows all valves working. Now it's a question of pulling the head or just go with the engine swap. The knock is bad, it has to be if I could locate it by sound. Can't imagine any elixir that would dissolve the carbon and not wash out a bearing if it got down that far. Back in the old days we'd pour water down the carburetor as fast as it would take it but that was before fuel injection and catalytic convertors.
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Dakota Dave
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Joined: 12 Sep 2009
Location: ND
Points: 3893
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Posted: 05 Jan 2019 at 9:36pm |
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Seafoam in the injection rail.
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jaybmiller
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Joined: 12 Sep 2009
Location: Greensville,Ont
Points: 21465
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Posted: 05 Jan 2019 at 9:39pm |
do the engine swap . that way you'll have a car to get around to buy the parts after you've torn the bad one apart.... me, I'd try fixing the bad engine,get nowhere, and have to swap the engines anyway....
Jay
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3 D-14s,A-C forklift, B-112
Kubota BX23S lil' TOOT( The Other Orange Tractor)
Never burn your bridges, unless you can walk on water
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shameless dude
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Joined: 10 Apr 2017
Location: east NE
Points: 13611
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Posted: 06 Jan 2019 at 12:13am |
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ad dextron tranny fluid in the gas tank, i'd put2-3 quarts in the tank if it's full on gas. you sure it's not just a cracked exhaust manifold?
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JW in MO
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Joined: 16 Feb 2010
Location: South KC Area
Points: 2595
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Posted: 06 Jan 2019 at 8:50am |
 jaybmiller wrote:
me, I'd try fixing the bad engine,get nowhere, and have to swap the engines anyway....
Jay
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That is exactly my thinking and luck.
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DMiller
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Joined: 14 Sep 2009
Location: Hermann, Mo
Points: 29493
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Posted: 06 Jan 2019 at 9:09am |
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Most of the late model engines had built in piston slap to accommodate engine temperature changes better without seizing. Many of my old GMs did, now Fords and foreign manufacturer equipment is doing it. I wonder if not picking up on that with piston head carbon buildup.
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