Is an engine flush a good idea? In the past I would have had to say no…DON’T do it. But things change and todays cars use oil for more than just lubrication. Variable valve timing and other engine controls are now using engine oil pressure to operate. For that to work they must remain clean. They are protected by very fine screens that can and do stop up with sludge. This has made me have to rethink the engine flush. The products we tried in the past broke up sludge in chunks stopping up oil pump pick up screens. This was my hesitation to relook into the flush systems. Enter our BG products salesman who assured me that his is different. The BG system dissolves sludge into very fine particles that get trapped in the oil filter where they belong.
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