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74 450 SEL, 78 300D, 99 Ford 7.3 turbo
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97 Posts
Discussion Starter #1 (Edited)
'78 300 D automatic 223k mi. Just made major discovery: slow loss of power, clouds of black smoke. Adjusted valves,(were OK), did compression test: all between 320-350, rebuilt injectors, adjusted pop pressure to 2000 psi. Still ran like crap. I purchased tools for removal of PRECOMBUSTION CHAMBERS, and found all the holes around the bottom blocked 80% with hard, brown crud. Prechambers cleaned up, but I put in new ones anyway. Car runs like new! No smoke, will run 100 mph if you stand on it long enough. I searched everywhere on the internet for this, I hope someone else finds it useful.
 

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Outstanding Contributor - Always Remembered, RIP
Zotye Auto 1.5T T600 2016
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Welcome to Benzworld
 
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