Skip Burney

What did you run your oil pressure line with copper or plastic

GS977

i just installed my oil pressure gauge last week. i used copper line.
no leaks

ED79

Copper is what I would use, you can use plastic but be careful not to crimp the line, keep away from heat and don't over tighten the ferrell nut. Ed

Mike Ward

No Corvette came from the factory with a copper line. It was either plastic or a steel line with copper plating. Pure copper lines are not a good idea in this location.

shrekviper

You have to make sure you have the correct fittings. If not, you'll have a ruined stereo, oil soaked carpet, and a low oil level (ask me how I know). I'm converting to a '74 electric gauge.

If you're sticking to the original, don't try to save money on a plastic kit, it'll leak eventually (ask me how I know, again). The original lines aren't expensive (<$30 at Willcox)

http://willcoxcorvette.com/product_i...oducts_id=6652

This has some more info...
http://forums.corvetteforum.com/c3-g...k-in-dash.html

69Vett

copper is not the best matrerial, buy 1/8" stainless line, and forget about it forever.
or wonder when the plastic or copper line wil break and flood the inside of your car !
or even worse kill your motor.

eastltd

My 73 came with a short metal line attached to the pick-up point and transitioned to plastic as it went through the firewall to the gauge.

I bought a replacement 2-piece line from Zip. Part number CZ-844

7T1vette

About any good quality line [with the proper fittings] will do the job and last at least 10 years. Make certain that you have extra 'slack' left in the line so that you can remove the gauge cluster and so there aren't any stress-points in the line during operation. Check for proper operation and lack of any leakage before you reinstall the gauge cluster. Oh, and don't overtighten the fittings or you will damage the line [whatever it's made of].