sorry for the hijack, but what master has been used that is the most compact? i have limited space behind my inlet manifold (ill measure today) and would like the smallest one that will do the job

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Yes, this is the best kind, keeps your oil cool, but warm enough to do the job. As long as your engine coolant system is working properly, the oil temp won't go too low.

Works good for a turbo engine too.

to fit the master cylinder you need to just drill the required holes in the firewall and adapt a pushrod to your
clutch pedal. i think i made one to suit it from memory

i used a factory water to oil cooler from a series 3 rx7, save heaps of space and they work well
enough for n/a engines at least

ok sweet as thanks for that

I used a remote s2 oil cooler it mounts under your oil filter much better option due to hoses n more mounting required

hey ange,
was there much modification needed to get the master to fit, another quick question for you what oil cooler are you using and where did u mount it thanks

i use a series 2 rx7 master cylinder in my ute with 12a and series 3 rx7 gearbox.


has been working well for the past 6 years.

nar ive always been goin 12a, yea ive got a bigger tunnel in and the mazda box already has everythin for the slave so thats all ok just getting a master to fit

Hydraulic clutch needs constant adjustment. But the modulation is superior to cable, makes it much smoother. Tunnel space no issue as the slave is towards the bottom of the bell. All the transmissions have the casting for it, although you might have to cut the slot and tap the holes.

wernt u going 13b? series 4/5