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    Question about the 3UZFE Lexus Engine

    I remember looking at a service manual and seeing that this engine does not have roller cam followers. If that's correct, does this engine need a ZZDP oil additive? Thanks
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    Horsepower?

    I have an 01 GS430. (3uzfe engine) In reading these posts, I assume that this car is one of the very few that can actually benifit from a K&N air filter. So often these things are purchased with the idea of gaining HP, when in fact there isn't a restriction in the intake tract. What would be...
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    GS400 430 Timing belt question

    Looking at a number of GS400's and 430's with 45 to 85K. I have been told that Lexus service calls for a timing belt replacement at 90K. Do these engines bend valves if the belt breaks? Anyone know if belt replacement HAS to be done by a Lexus dealer. (140 miles away from here) Looking for a...


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