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It's not a good idea to wind up boost with the stock ecu on that engine. This street racer found out the hard way.
image.jpeg.9311301220b89692b2b21a1944fd175c.jpeg

That pic suggests not enough boost as it was just bent, not a clean break, amateur at best[emoji12]
  • Like 3
19 hours ago, Dose Pipe Sutututu said:

will need fill custom dose pipe, going to be hard to find a 10" pipe and bends lol

Nah, grab some huge sheetmetal and roll it.

Easy af 

On 23/02/2017 at 8:10 AM, PatMol said:

Try skylines spares in Sydney he has neos on the shelf.

Thanks Pat, that did the trick!

Just paid for a Neo long engine, wasn't cheap but hopefully it will live up to the expectation.

Man there's a Neo drought out there big time...

  • Like 1
23 hours ago, V28VX37 said:

Thanks Pat, that did the trick!

Just paid for a Neo long engine, wasn't cheap but hopefully it will live up to the expectation.

Man there's a Neo drought out there big time...

So , question has to be asked....identified why you are knocking around the engine?  I  would expect a NEO to be very happy a the power level you are running

27 minutes ago, Roy said:

So , question has to be asked....identified why you are knocking around the engine?  I  would expect a NEO to be very happy a the power level you are running

Nope, we don't have a 100% clear answer at the moment. My suspicion is that what was originally identified as a blown HG (after much debate, since the evidence was inconclusive) ended up being a more sinister underlying issue with the engine. My best guess at the moment is a crack in the block but for a full diagnosis we'd have to tear down the bottom end and possibly crack test the block. I'm not interested in throwing any more good money after bad at the moment frankly, so we may be left guessing for a while.

And yes I've run it at 20psi / 275rwkw for a while, which is meant to be within the 'safe' range for a Neo. It died after about 8 track days so I'm wondering if there's a street 'safe' and a track 'safe' power level, and how different they might be... 

  • Like 1

Send me your tune file, I'll see what's going on there.

When I tune for track cars I always tune the entire mid range below MBT, taking at times 3 to 5 degrees out. This limits the amount of peak torque the motor can make thus keeping it together a little longer. Yes EGT goes up, but just richen it up close to 11 afr (on gasoline scaling) for E85. On 98RON I drop it under 11 afr. I don't aim for a flat AFR which most Internet experts like.

  • Like 1
Send me your tune file, I'll see what's going on there.
When I tune for track cars I always tune the entire mid range below MBT, taking at times 3 to 5 degrees out. This limits the amount of peak torque the motor can make thus keeping it together a little longer. Yes EGT goes up, but just richen it up close to 11 afr (on gasoline scaling) for E85. On 98RON I drop it under 11 afr. I don't aim for a flat AFR which most Internet experts like.

Thanks man will do! I've got the Consult cable but do I need a full version of the Nistune software to grab the tune?
3 hours ago, V28VX37 said:


Thanks man will do! I've got the Consult cable but do I need a full version of the Nistune software to grab the tune?

hrms.. good question, if not just do a screen shot of the timing table and roughly tell me which load cells it's hitting and/or what TP Load is roughly equal to what boost

8 hours ago, Dose Pipe Sutututu said:

hrms.. good question, if not just do a screen shot of the timing table and roughly tell me which load cells it's hitting and/or what TP Load is roughly equal to what boost

Looks like there is a trial version: https://www.nistune.com/index.php/support/software-downloads

I'll check it when I get the car back home, hopefully in two weeks or so...

Ok I may have a buyer for the original refreshed cylinder head, any tips on how to package up one properly for safe delivery?


Bubble wrap the f**k out of it.
  • Like 1

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