Originally posted by cheps1svt:
You know i had the same problem with my tour, it was a ticking/knocking sound coming from the passenger side, like a lifter or something, it wasnt there at startup but when it got operating temperature it would be there, if i reved the engine you could barely hear it, it was annoying, i was ready for a new engine. (I read the above post that states a longblock from Ford at over $4,000 dollars, wow thats a ripoff, i can get one from my local Ford dealer for about $2,350 (longblock) plus of course uncle Sam, recently i know i shouldnt say this here but i raced an Eclipse Turbo i reveed the engine so high in every gear just to win (in which i did) i reved it so high that the noise was gone after,(true story) all that time that the noise was there it ran perfectly fine though. Just my $0.2 . 
I have had the same experience here recently. The CSVT's been parked for about a month while I've been enjoying the Miata. Now, she ticks as bad as the HLAs do on the 1.8 after a quick autocross run.
I'll try the "Italian Tuneup" on the way home, and prolly do the Berryman's in the tank and in the intake manifold later this week. Time to buy some spark plugs!
Whirling dervish of FFOG.
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