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R32 GTST rb25 neo rebuild

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Rekin Grand Master

Rekin

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Just when I thought everything was well with the world, the car started to misfire...As the days went past, the misfire became more & more noticeable. Only occurring when light-cruising, I was scratching my head at what it could be.

Checking coil-packs, replacing spark-plugs, disconnecting o2 sensor, cleaning AFM & even pulling apart the AFM to check soldering, the car would continue to surge & misfire!! Panic started to flood-in, did I break something fundamental, have I damaged this 2000km old engine before its final tune?!? Knowing my luck, this build has been anything but straight forward...

 Nothing wrong here...
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A glimmer of hope, Justin from RevZone contacted me & advised me that a tune-window had opened up just before Christmas. However with this misfiring issue playing havoc, this could mean another half-cooked tune if this problem chewed through the time. Not one to turn back a challenge, Justin said to bring the car past & they will check over it once more before the tune.

Fingers crossed!

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Rekin
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Problem found! Misfire issue resolved, crisis diverted! Matt from Nistune & Justin from RevZone did some live troubleshooting and found the NEO boost-sensor tripping!  This was causing the

Rekin
Rekin

R32 GTST rb25 neo rebuild So thought I would start a build thread for my 1993 nissan skyline r32 gtst. As the Vic regulars may know, having owned her for 10yrs, the mighty rb20 had never let

Rekin
Rekin

Some fantastic work done by Havoc Fabrication, their attention to detail, care and professionalism is above all else. Thanks to their workshop for tackling this mammoth of a job. Custom stainle

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Rekin Grand Master

Rekin

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Problem found! Misfire issue resolved, crisis diverted!

Matt from Nistune & Justin from RevZone did some live troubleshooting and found the NEO boost-sensor tripping! 
This was causing the car to r&r/misfire at random. Car is ready for its final tune :D Shout-out to Matt for all his help with Nistune.

 

RevZone pulled-out all the cards to ensure a rock-solid final tune.
As the tune was booked-in on a 36degree day, they refreshed the tune in the morning when it was much cooler. In addition, they even wired in their own Wideband sensor and finished-off with a road-tune to ensure it idles, cruises & drives perfectly. They even topped-up with extra e85 petrol as they ran-out :221_see_no_evil:

The final result:
Forged Rb25 NEO w/ GTX3071genII @ 27psi~ made a whopping 370kw atw
IMG_1135.thumb.jpg.5ae85b5138d9733d2513845dbca6efd3.jpg
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Clocking the boost-gauge, its a blur watching it peak to 27psi~ :4_joy:
IMG_1134.thumb.JPG.e3840789ebd6a2fd75a812d07debc875.JPG

 

A 2 year journey; from a rb20 230kw to a NEO rb25 370kw....its finally time to drive the car :17_heart_eyes:

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