Mazda Rotary Club

Cars by Model Type => 2nd generation RX-7's => Topic started by: tommo-r on May 11, 2012, 12:47:54 AM

Title: fc3s gearbox oil
Post by: tommo-r on May 11, 2012, 12:47:54 AM
hi all,
im changing the gearbox oil on my fc, can i use redline heavy shockproof gear oil? Also how many litres would i need.
thanks:)
Title: fc3s gearbox oil
Post by: Prof on May 11, 2012, 09:29:09 AM
Manual says 2.5L, SAE80W-90 (above 10C) or SAE75W-90 (all seasons)
Title: fc3s gearbox oil
Post by: 1990_fc3s_t2 on May 11, 2012, 10:42:44 AM
I once read the super lightweight shockproof is best and even gives a couple more hp, i never tried it because of the price and i was desparate to get back on the road so bought the cheap stuff, ill deffo try it in the future.
Im certain it was icemark on rx7club.
Title: fc3s gearbox oil
Post by: aundre-3000 on May 12, 2012, 12:02:29 AM
ive just changed mine today i used redline mt-90 just driving it now i used to have a crunch in 3rd under full load but now its silky smooth i had mine from jcc race and rally 14 quid a bottle i think

if your doing it just a tip i used this was easy with this
http://www.machinemart.co.uk/shop/product/details/cgg500-500cc-oil-suction-gun?da=1&TC=RV-040215070