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      07-10-2021, 01:15 PM   #506
ziekxq
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Drives: 2011 535i xDrive
Join Date: Feb 2016
Location: United States

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Quote:
Originally Posted by $howtime456 View Post
Meth comes in 2 forms. 1 for cooling which is 50/50 and one for fueling. You increase the octane using the form for fueling which produces less stress on the hpfp side but it also comes with its downfalls. Clogged nozzles.. leaky check valves etc. All determining factors to blowing up a motor quicker than port injection with motiv reflex. You can be running a tune designed to use with meth for fueling. Have a clogged nozzle and blow up. I have had 2 clogged nozzles thus far. 1 with pro meth and 1 with cooling mist. I only use meth for cooling now. For fuel its super corrosive and not taking care of starts turning into rust then into your motor. Also leaky check valves is another downfall. If they are left stuck after the car is shut or below the crack pressure then you will have meth leak into your motor and flood it upon start up. Be careful.
Yeah.. If I ever go meth route I would just use it for controlling IATs... probably put windshield washer in the tank and let it cool the IATs lol but not for fueling.
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