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Ester "Shot" - Is it Necessary??

Posted: Wed Feb 21, 2007 4:02 pm
by sfyamr1
What's the deal with the Ester oil "shot" they refer to when switching over to 134? Does the pre-mix 134 you buy from an auto parts store suffice for sealing and internal lube (aside from the oil compartment itself), or do I really need to fill with 37-38 oz of 134 and then a can of Ester in addition??

I've already upgraded the components and just have to fill the system and pray it works!

Thanks guys!