All of these products have lost credibility in my eyes, because invariably they conduct a demonstation on some pushrod motor with no oil and show how it runs perfectly. Well, I wonder:
- What's keeping the metal inside cool (oil does do a big part of this)
- What's opening the valves in that hydraulic-lifter motor with "no" modifications?



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Best regards, Michael
'92 500E
'88 300TE