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The more I drive with this combo of Oil/Filter the quieter the engine gets. It's like I said though I don't know how old the old oil was so just changing the oil might contribute to the difference but, so far everything is great and sounds great. Here's the thread where mac1 notes the higher oil pre...

mac1 on probetalk noted a 5psi gain as per an under hood oil pressure gauge when using a zr1 filter. He also noted Hyundai filters are a direct fit.

I guess I'll take it to guys I brought my probes to.. whenever I got tired of messing with them..

woops forgot to mention I adjusted the TPS with a feeler. All within spec per Daninski's instruction.. so throw a new cat on?

My car is having a hard time passing smog.. It goes like this.. Everything the same as the day I bought it except the throttle body.. I drove it around for a half hour.. took it to the smog place and the car blew the test at idle 1st try numbers: @900 rpm idle speed test(no revving) max allowed: HC ...

napa gold is a wix rebrand to my knowledge.

I threw in Castrol Edge and the ZR1 purolator classic filter today.. first things first that filter is huge lol.. but, it does accommodate 5 qts easy and the HLAs do sound quieter.. disclaimer: I don't know when the last oil change was done.

I'm gonna try the napa zr1 filter on my next oil change.. I don't seem to have pressure issues.. I have to change the oil anyways.

Good to know.

does the zr1 filter work on the k8.. I know they run them on the KLDE.

somehow this double posted.

ignition timing set 10-11* btdc.
neutral idle speed rpm rock solid 650 assuming the first notch on the tach is 500rpm. While in gear +50.
tell me if this sounds right.

The old TB was glued on to the IM plus the top TPS screw was broken off at the head of the screw so yeah

Yeah thanks Glen it really came through. It feels real good and sounds good.

gonna do the ignition timing since it's dark.