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Discussion Starter · #1 ·
i am going to service the entire braking system and i noticed it said dot 3 brake fluid only.

can i use dot 4 brake fluid with no problems or would i have to stay with dot 3?

sorry if its a stupid question.

by the way its for a r33 gtst 1994
 

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dot 3 is crap and dot 4 is better but u will be better putting dot 5.1 brake fluid in it and the clutch as well mate.
reason being the higher the number the hotter the fluid can go before boiling but depending how you drive you may never notice it but it is worthwhile just in case. :bigthumb:
 

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i had a honda civic vti, and it stated to only put in dot 4
i flushed out the whole system and filled with dot 5.1 and had loads and loads of problems, and even went through 7 liters of fluid making sure there were no air leaks and still the brakes were pants, so flushed it all out and refilled with dot 4, stright away no problems and all was fine, strange!!!
 

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The best option by far is 5.1, read the spec online (google?) and you'll see why, I've had Motul 5.1 in our R33 for a year and the difference is noticeable if you drive hard. (accelleration & braking)

Aitch
 
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