Are all the same turbo and non turbo? And if not, are there any variations with the turbo plenums??

Also...

My switches for my drivers power seat, when I push them forward they stick, until you pull them back. Was this a "feature" in the 93 and up, or just my switches sticking?

- Plenums are all the same

- Switches are sticking (probably dust/lint). Some have taken them apart for a cleaning but be careful, little springs inside that can get lost. Maybe a small shot of some silcone spray will un-gum them???

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+++ John's NJ Ride +++
'91 2+2 96k miles, Chromed OEM Wheels, Chrome Plenum, JSPEC Clear Corners, Toyo Proxes 4's, U/D Pulley, Custom Mod'd Control Pods - White LED Lighting with Blue LED Indicators

Try pressing down until it "pops" into place. Mine did that and it wasn't snapped in.

jzack, actually aren't the plenums different? Not so much due to turbo or non turbo but due to the year? I recall already asking this and was told the plenums vary upon the year they are so had to make sure and get matching year style which was like 90-92 all the same turbo or non and 93-96 turbo or non.

the balance tubes are different, TT and NA.

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I have Lived and Learned to LOVE... MY Z
Thats like saying that Elvis and I have alot in common because we both took a dump in Tennessee in 1977. ~ Ballistic

The screw-in vacuum ports are different as well but the castings for the upper plenum are the same for the most part. The lower plenum is different between the 90-94 TT v/s the 95-96 TT. This would be to accommodate the new fuel injector and head designs. I can never remember the NA years but I think they're 90-93 for the older style and 94-96 for the newer.

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*-- Just some stuffy advice from an old fart who's too set in his ways. --*