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Just wondering if anyone has set up a manual transmission cooler or other cooling options for the nissan boxes. Mine is getting to 250F (121C) so I need to try and lower the temp somehow. I have already lagged the exhaust where it runs beside the gearbox which made a difference to how fast it gets there but I reckon it is still too high. I use Nulon 85w140 which is a GL-5 oil and the box is an SR20 with PPG helical dog set 1-4 and std syncro 5th. Any advice / experience regarding cooling set ups or additives to reduce friction is welcome. Thought some of you Guys with under trays might have temp issues?

Hey guys, ill start by introducing my self. My name is Hadley, I'm 19 and live in the Bluemountains. Last November i sold my beloved Mx5 and decided to get a 260z. I found one for sale 6 hours south so we drove down with a car trailer and next thing i knew i was the owner of this golden Turd.. Its a 1974 2+2 (vin ends in 000764 so I'm guessing it is a really early one). i bought it off an old pommy guy for $2,750, he had been using it to tow his caravan around... the flywheel provide it to. it was unregistered but that was ok. when i got it home i set about cutting out rust and welding in new plates and bogging it up. I must of done ok as it past rego haha. A few months later a mate and i drove to Brisbane one weekend to pick up a l28 block, head and some other stuff. But i haven since decided that i want to do an RB swap instead... which brings me to my main point Ive figured out pretty much everything that needs to be done except for the tailshaft and diff. Ive tried looking everywhere for conversions on 2+2s but i can't find anything that will help. Can i use the standard tailshaft out of my car and will it fit straight in the trans? or do i need to use a combo of both? or just get a custom one made up? Also can i keep the standard diff? its just going to be a stock rb25det atm so will it be strong enough? Im an apprentice so i don't have a lot of money to spend and id like to do as much my self as possible as my brother is a mechanic. cheers guys. some photos of it so far