[Mgs] Hydraulics

gordies garage mg_garage at comcast.net
Fri Jun 10 15:02:09 MDT 2011


Seems each car has its' own peculiarities.  I've got a good friend who uses 
dot 5 in his mga and has always had a small niggling leak.  Nothing serious 
and only required a top up at the beginning of the driving season.  And 
bleeding the brakes on his car always seems to be a challenge, even with a 
power bleeder.  Once bled however, the pedal is nice and solid.  Other 
friends have had from serious to no problems with dot 5.

I use LMA in my mga and have no leaks, and with care, no missing areas of 
paint.  Indeed, my White Post re-sleeve was done in about 1999.  Since then, 
I've had the car apart and back together.  I didn't do anything to store the 
MC (for 3 yrs) and 5 yrs (about 15k mile) after re-installation, I still 
don't have any leaks or missing paint.

If thinking of , IMHO, converting to dot 5 is not worth the effort to flush 
the system with denatured alcohol, and, you can never really be sure you've 
flushed it sufficiently.  I've seen multiple seal failures in various places 
on cars that have been converted to dot 5.  Is it a poor flush or an 
incompatible seal, or both?

In a new system, I would probably opt for the dot 5.

Gordie Bird
'62 MGA MKII 


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