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Michael.

Japan Strikes Back 1991 Soarer, UZZ32

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13 hours ago, zero said:

How effective is the ceramic coating?

 

And how expensive is the coating process?

HPC do it for about 400 for short headers, 600 for long headers. These came from Australia pre coated, so it was quite a saving. 

They work perfectly, and mean no rust if done properly, never change colour.

Studies show a reduction in temps, but they are marginal, you'd have to do tests with multiple temp sensors to see the differences.

Ceramic is always the way to go, rather than that terrible fiber wrap stuff people put on, that just causes moisture to rust them faster. 

4 hours ago, allan said:

What Db do you have?

Nathan V8 research ;)

dB reading? its like 80 ish with flaps closed, 85 peak with them open. 

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23 minutes ago, eliongater said:

Nice exhaust!

@Michael. how does a ceramic coated exhaust compare to a stainless one?

I don't know for sure, but the material difference wouldn't make much difference heat wise. 

From my experience, the Issue with stainless is you can only get thinner metals, and most common stainless (304-316) aren't that great for exhausts, they have a hardness that seems to equate to a high resonance (might be how you explain it, idk) so tend to give off more noise with the exhaust, so they can sound a bit cammy or ticky up front, especially when cold. That's why BMW double wall their stainless exhausts in some cases to cut the noise, it's also good for heat -but that's another discussion haha. 

The other issue with stainless headers, is the tenancy to crack, but that depends how they are made more than anything, but standard mild steels (ie boiler tube) is more forgiving for such, and quieter noise wise. 

A mild steel exhaust is a must for coating, due to the rust factor. 

Could get away with it, if you went stainless, but I'd still coat them for the thermal property reductions. 

Edited by Michael.
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sounds super, nice work Michael!

has it improved your perforance too?

Edited by Olaf
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7 hours ago, Olaf said:

sounds super, nice work Michael!

has it improved your perforance too?

Yeah much better, usually get 5-10rwkw with headers on these. Stock ones are pretty nasty. 

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Hmmm been thinking about what's been done, and what's left to go. 

  • Wheels, 17x7 ET46 Enkei 
  • New tyres 225/50R17 Michelin PS4
  • Front & Rear brake rotors, calipers rebuilt, TRW Dtech pads
  • Rebuilt brake accumulator, new seals, regased
  • Rebuilt front hydraulic struts, valved strut accumulator
  • Front suspension bushes replaced with rubber units
  • Suspension valve body main accumulator valved fitted, regased
  • Suspension pump pressure gauge installed for monitoring
  • Steering rack rebuilt, tie rods, end rods, and dust boots replaced
  • Steering column replaced
  • Steering rack bushes x3
  • Rebuilt rear hydraulic struts, valved accumulators
  • Rebuilt suspension valve body
  • Rebuilt Suspension pump and power steering pump
  • Replacement main pressure line
  • Replacement power steering return line
  • Cleaned suspension and power steering filters
  • Rebuilt front and rear strut accumulators (cut open, seal replaced, rewelded or threaded fitting)
  • Driveshaft hanger bearing
  • Driveshaft rear guibo 
  • Differential rebuilt
  • Differential mounts x2
  • Engine mounts
  • Transmission mount
  • Rebuilt half shaft axles 
  • Rear wheel bearings
  • Front wheel bearings
  • Rear suspension bushes, upper and lower

 

  • 3UZ-FE engine upgrade 4.3L with VVTi
  • 6 Speeed automatic upgrade with tiptronic control
  • New Koyo Radiator, Toyota LLC, thermostat, upper and lower hoses
  • Alternator rectifier replacement
  • Water pump, cam belt, idler bearings & tensioner, Oil pump seal front. 
  • 3 way fuel regulator installed, replace E46 reg/fuel filter
  • IS350 tiptronic steering wheel
  • Certification for engine swap
  • Header 4-2-1
  • Custom exhaust system
  • Tacho converter 
  • Speedo converter
  • Cruise control operational
  • Modified drive by wire throttle 
  • Immobiliser delete
  • speed cut delete 

 

  • Digital dash capacitors replaced
  • EMV screen capacitors replaced (all)
  • Stereo control deck capacitors replaced (50)
  • Stereo DSP capacitors replaced
  • Stereo Recievier capacitors replaced
  • Stereo main amp capacitors replaced
  • Stereo subwoofer amp cpacitors replaced
  • CD stacker capacitors replaced
  • ABS ecu capacitors replaced
  • Air bag ecu capacitors replaced
  • Power steering capacitors replaced
  • A/C unit capacitors replaced
  • Door control capacitors replaced
  • Remote capacitors replaced
  • Speed control capacitors replaced
  • Suspension ECU capacitors replaced
  • 4 wheel steering capacitors replaced
  • Reversing camera control capacitors replaced
  • Hydraulic fan control capacitors replaced
  • Mirror control capacitors replaced
  • Headlights replaced, 3M clear applied
  • Glass high beams installed

 

  • Door card fiber glass repair
  • Leather seat repair / replacement
  • Carpet cleaned / mats cleaned
  • Drivers door window regulator cleaned and greased
  • Passenger door window regulator cleaned and greased
  • Drivers door hinge replaced
  • Passenger door hinge replaced 
  • Interior console trim replaced
  • Handbrake handle replaced
  • Air purifier installed, speaker grilles changed, parcel tray

 

  • Door and rear 1/4 dents repaired
  • Full body respray 
  • Window seals replaced 
  • Door handle seals replaced

 

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Wow, that's comprehensive work.  It'll be time to sell it, when you've finished! :mellow:

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7 hours ago, Olaf said:

Wow, that's comprehensive work.  It'll be time to sell it, when you've finished! :mellow:

hahah neverrrrrr! 

Not really worth anything either :P 

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1 hour ago, Michael. said:

hahah neverrrrrr! 

Not really worth anything either :P 

nahhhh. someone will recognise the genius in your revisions and remediations.:)

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Rear active struts rebuilt and installed this weekend. Ride is smoother and more poised when giving it some pace around the bends. Did a full clean out, new seals through out, dust boots and installed a new high pressure valve type for the nitrogen accumulator spring for recharging purposes. 

22549481_10214577563177968_6646792561822976210_n.thumb.jpg.3be5fb1e588b4e2ac2cf8d21fc3c3b82.jpg

Most pleased!!

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Installed an Apexi Neo AFC to dial in some fuel corrections today. 

Making good power before the tune, peak of 177rwkw, but the low end was a bit poor so the tuner put in some more fuel down low and got a decent 10rwkw gain through most of the low to mid range! Now with a peak of 178.1 rwkw, so very pleased. Certainly pulls well in the lower rpm band. 

2113867684_3UZZ32dyno12.6.18segmentgains.thumb.png.084f6b7750d64026c94d0680b9d9e4ab.png769814706_3UZZ32dyno12.6.18AFCTorque.thumb.png.2d0cdc79b7fa986d2bd840d87e1bd1e8.png

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Awesome, now for an LSD to harness that new found grunt!

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