420A 420A turbo engine oil

[420AB00STED]

Hi guys, I'm new in this world, just got my '95 RS turbocharged.

Could you help me to know what's the best engine oil I need to put in?

I'll appreciate.

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[CKOPOCT]

Congratulations and welcome. The turbo will be harder on the engine oil due to the heat it generates, but that doesn't mean you change weights. Just use a high quality oil. Oil types have been debated and discussed on here for ages. Below are a few threads discussing oil brands/types - NA and boosted. Search is your friend.

As to the turbo on your RS, did you build/address the 420A itself (rebuild with stronger internals) or did you just add the turbo? Bear in mind that the stock Chrysler 420A is not very strong under boost and running more than a few pounds will stress the internals and lead to premature failure. If you had the engine built and prepped for a turbo, then most excellent. If not, either be extremely conservative with your boost (no more than 5 psi) or begin saving your pennies for repairs and rebuild - or start building a boostable 420A now so you'll have it when this one gives up the ghost.

http://www.dsmtuners.com/threads/which-oil.501374/#post-153574612

http://www.dsmtuners.com/forums/newbie-forum/17735-what-oil-should-i-use-merged-2-7-a.html

http://www.dsmtuners.com/forums/newbie-forum/50612-oil-merged-1-8-a.html

http://www.dsmtuners.com/forums/newbie-forum/5215-synthetic-oil-merged.html