So, I would be reticent to use this stuff, having used stop leak in the past and been disappointed. However, this "Project Farm" report on a longterm test is pretty convincing that this stuff could restore some useful power in a genuinely ailing engine. Pretty great channel, too.
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See my car's mod & maintenance thread and my electric bicycle's thread for ongoing projects. I will rebuild Black and Green over decades as parts die, until it becomes a different car of roughly the same shape and color. My minimum fuel economy goal is 55 mpg while averaging posted speed limits. I generally top 60 mpg. See also my Honda manual transmission specs thread.
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Is it something added to the crankcase ? My 1958 Morris Minor 1000 used more oil than fuel, and really ran on STP, which increased oil viscosity so much, that the oil probably struggled to make it to the oil rings in the first place!
Added to the engine oil and seemed to seal the rings a bit better. In his test, compression improved after a few hours and then more over the course of a year.
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See my car's mod & maintenance thread and my electric bicycle's thread for ongoing projects. I will rebuild Black and Green over decades as parts die, until it becomes a different car of roughly the same shape and color. My minimum fuel economy goal is 55 mpg while averaging posted speed limits. I generally top 60 mpg. See also my Honda manual transmission specs thread.
The Following User Says Thank You to California98Civic For This Useful Post:
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