Its been a while but i have been slowly working on the old Z.
Found a Better Gearbox up north so purchased and installed
Sent my Data Logger / Wideband to Australlia and got it fixed- now ready for more tuning
Started installing sound Matt in the areas the factory didn't do, and re doing insulation/underlay try and improve the acoustics of this "harmonic Generator"
Autodec Carpet Kit for the Z, Dark Charchol
Got some Tidier Seats sorted out, it no longer feels like riding in a Taco
There was a Crazy Bad exhaust Drone a 3100 RPM, it literally hurt my ears and not being 17 anymore I decided to sort it out with Science.
So rather than adding a muffler or some other kind of restriction i designed , sized and built a Helm Holtz Resonator.
Basically it takes the resonating sound wave spins it around 180 and cancels it out, no loss of flow , still full 3" Exhaust and still sounds like a Dirty Turbo VG
I also did a lot of exhaust fitment improvement, now sits up nice and high out of harms way, My Tig welding of thin metal is also improving
And Previously installed oil cooler is working a treat, here im stuck in a 20 min traffic jam on Blenheim road 30deg outside, no airflow and the coolant temperature is rock solid stable.
have had the Boost cranked up at 18psi, i think if the clutch hadn't slipped i probably would have smashed 3rd gear ( old gearbox ) I also found the limit of my airflow sensor and it would strange things that never happened at lower boost levels.
Starting to fall in love with this car again, 6 months ago i was wearing ear plugs to drive it around now its at the state where its as quiet as a mid 90's OEM Japanese car. Its probably going to get a basic stereo install soon.
Very proud to say i can Daily drive it very smoothly and tamely, but when you get on it she's still a Boosty, wheelspinng, rapid changes in direction, arsehole puckering angry hard to drive 80's car.
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The Answer to your Question is NEEDS MORE VG30