1990 ZR-1

[pantera1683]

Originally Posted by PHILLY JOE

GREAT INFO . JOE

With the M1 0w40, you have to make sure its the euro formula, I usually get it when it's on sale for $4.99 at Autozone or Advance Auto Parts. It's usually almost $7.00. I just stock up on the stuff when it's on sale.

[FU]

Originally Posted by PHILLY JOE

thanks alot for the info i made copies of that test sheet. very interesting. joe

Here is a link to hi (Marc Haibeck's) site. There is ton's of info there.

http://www.zr1specialist.com/

Rhipster has alot of great info stored on this (LT5 Registry) site also.

[lakemeadzmonster]

AMSOIL Product's are top of the line and I have been using them since the early 70's. I have put them to the extreme test's in both hot and cold climates and yes it is a once a year oil change for most drivers.