ZR-1 Net Registry Forums - Can the LT5 experts fill me in on.....

Quote:

Originally Posted by spork2367 (Post 211306)

Both the bosch and mobil 1 are not recommended by Marc as per his last technical posting. He lists the Napa Gold as being good. I tested my Napa Gold and found it to retain 8.2 oz. after 24 hours.

http://www.zr1specialist.com/HAT%20W...ate%202011.pdf

Thank you for the link, have read that before, but was able to pivk up both filters for a decent price. Good to have as spares if necessary.....

My "unscientific" test.....
Started the Z after sitting for 2 days. Turned the key on, waited for 5 seconds and then started. Fired right up, no chain rattle, oil pressure took about 4 seconds to register on the gauge. Did just about a full warm-up and went to the store. Shut down the engine and did immediate restart, (did this twice) one after the other, oil pressure instant and no chain rattle. Went into the store, for about 10 minutes, came out and restarted, 2 second oil pressure delay, no chain rattle. Came home to switch cars in the garage, so another restart was necessary, same as before, good pressure, no chain rattle.
Now there have been times, like when I moved the Z over in the garage on Saturday night, because we were using it on Sunday, and the first start-up was fine, but on Sunday morning, there was chain rattle for about 5 seconds on the start-up.
It appears that if I use the Z and do restarts within a "reasonable" time, the "no chain rattle" is non-existent. But if I let the vehicle sit for an hour or more, the chain rattle makes itself known.....Go figure. Maybe my LT5 has a mind of its own.....
And again, using the GM Blue oil filter.....