Hello to all- Just picked up my "new" 1994 Z-28 Convertible. Got it home and noticed an oil leak and traced it to the front main bearing seal. Have several questions. What should a guy pay to have the seal replaced. I heard its a booger of a job and takes a good mechanic who knows what "Torque and angle" means. What if I just say the heck with it and put in some of that seal conditioner. Does that stuff work and will it cause more problems ? Also it has 125K miles on it and looks like the plugs have never been changed. One fellow told me not to worry about it if it runs OK. Suggestions ? One more thing; So disappointed to see it has a 115MPH speedo. Please tell me all the issues with putting a 150 MPH speedo. Does that mean I have a speed limiter ? (It has 235 tires). Thanks

 

if you got the right tools changing front seal is not a big thing. pull balancer and balancer hub, pull an replace seal and put balancer back on.

 

change the plugs,,, its worth it,,, might take all day,,, or two,,, lol. again having the right tools can make it much easier. flex head 3/8 ratchet helps. I usually take my time so I don't get frustrated so it can take most of a day but have done it in a couple hours.

 

Thanks graby Can always count on you with good advice. Pls give me input on the seal conditioner and the 150 mph speddo. thanks

 

Seal conditioner is a long shot,might buy some time might not,I'd do it right and forget about it.
If memory serves that speedo is a convertible thing,not sure what it takes to swap in a 150,thinking there's a speed governor on the ragtops so it's probably tied into the ECM.