Stymee
Well-Known Member
- Joined
- Mar 19, 2019
- Threads
- 59
- Messages
- 3,364
- Reaction score
- 1,699
- Location
- Delray Beach, Fl.
- First Name
- Joel
- Vehicle(s)
- 2019 Mustang GT
In small amounts MMT isn’t too bad (Boostsbe seems to have it not settle in the bottles which is good) but it can harm emissions parts but your 100% correct I’d much rather run E85Kinda dangerous using Sunoco,, Standard and cat safe in the same sentence ...
I know the 260 GT Plus webpage sez it contains MMT but it isn't listed on the MSDS so that would be a major misprint on their part ...
MMT is cat and O2 sensor safe,, I used it for years on my old SC'd 3v and turning the entire exhaust orange I had no O2 or cat [when I ran them] failures.
E85 is the way to go if it's available,, I finally got a E85 supply 20miles from my house ...
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