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Tai Johnsen
Goo Roo
QLD
JZZ30 Pov Manual LSD & black! + 89 Z20 Aerocabin

Posts: 1870
Reg: 04-2006

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Monday, September 14, 2020 - 05:08 pm, by:  Tai Johnsen (Privatejohnsen)

The 3D printer has totally changed how I think and work. I'd highly recommend one to anyone who likes to tinker.

Due to the proximity of the actuator I decided to change out the engine mounts to the fully enclosed / stiffer ones of the Supra (yet another part stolen from the little brother) and replace the transmission mount which has seen better days.


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My plan was to jack the car and lift the engine and unbolt the engine mount brackets to take them out, but this bolt ruined the day and I had to lift the engine to the moon to get this side out.


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One way valve fitted to the exhaust side of the catch can in case of a backfire


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All scrubbed up and ready for the dyno!!

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We spent a long time on the dyno setting up all the cool stuff and there was only one real incident. After hitting boost cut on one pull the engine would no longer idle, but revved fine and was very rich at low RPM.. After checking hoses and lines and scratching heads it was noticed that the adjustable exhaust cam gear had moved all the way to the stops!! It was reset and we continued without incident.

The electronic actuator was flawless and the car ran beautifully and made 350rwkw on 20psi 98ron. There is another 100kw available if I want to go e85, but i'm sure this will be enough for a while.


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I thought it would be interesting to try and overlay they old dyno graph from when it was a 1JZ and made 315rwkw and see how it compared.

I tried to line up the axes and best I could and both of these are 20psi.

1JZ 7163efr vs 1.5JZ 8374efr


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More power everywhere

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