Appreciate the guys who came back with what the manual calls for, that is what I asked for. As a side note it always amuses me when someone thinks they are smarter then the whole corps of engineers that work for Dodge and are willing to pontificate that something other than what the manual specifies is ok. If it really was they would have said so, and with the Viper it ain't about increasing the gas mileage which is the argument you see on other boards when talkng about increasing the weight.
Not sure who you are addressing that too. But the factory actualy changed its mind a few times. Check the history of our beloved vipers, as technology has improved so has their selection of oils for the snakes. It used to be 10w-40 back in the day, and then when 0w-40 became available, they saw it as a better option, does that mean anyone who has a car that came out only when 10w-40 was available, should keep using it?
Also, the manual doesnt specify between what you should do when you race your car, or what you do when you are on the street. So I'm sure they wont be discerning which is best for which condition.
Also, if the manual is so right and your arguement about those wonderful engineers, how come the gen 1 and gen 2 vipers change their power steering fluid to Redline when they get serious about tracking their cars? Why didnt the brilliant engineers use that to start with? Speaking of those always right people, how come the 03 Viper uses power steering fluid, yet the 04 and up use ATF (automatic transmission fluids). Its because those engineers learned more, and therefore improved on the system.
Finally, I'll help you with 1 other thing, usually when you THICKEN an oil ("increase its weight" your PROTECTION level goes UP, but fuel economy goes down, due to increased friction/enegery required to move through that heavier oil.
I for one have the on-line manuals for the 03-06 cars. What do I chose to do instead? Talk to folks like Janni/Henry Cone who race their cars, and know what REAL world works best. Not some manual that tells me what the general population should probably use.
Rant over. I'll just never prescribe to the mindset that what is in print is always right.
Jon
PS. I do agree you did not ask for opinions or recommendations in your original post, you asked for what the manual states. But sometimes, fellow viper owners share their experiences and insight. I actually appeciate it.. most of the time
