N13 Turbo - Round 2... Fight!

Converting To Delco ECU From Carby Or Other Injection Systems
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Joined: Fri Mar 04, 2016 10:35 am
Location: Windellama, NSW

Re: N13 Turbo - Round 2... Fight!

Postby BennVenn » Sun Aug 22, 2021 4:15 pm

What should have been 20min to clock this turbo dragged out to 3hrs... With the housing off, the vnt assembly is keyed so it can't be clocked. Tried pressing it out but turns out it's threaded. Turned down some steel and cut some teeth in it to make a tool. Vnt removed, rotated and locked in.

Just about ready to mount to this manifold and weld it all up. Not sure if I should continue on with this turbo or use the new MPR one coming this week...

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Posts: 330
Joined: Fri Mar 04, 2016 10:35 am
Location: Windellama, NSW

Re: N13 Turbo - Round 2... Fight!

Postby BennVenn » Sat May 14, 2022 1:56 pm

Wow! Almost a year has passed on this!?

A bit has happened since then, I found a chassis dyno for a crazy good price, fitted the yourdyno.com controller, sensors and load cell to it and have spent a few days tuning the controller to get it all dialed in.

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I'm onto the 3rd iteration of turbo kit for the pulsar, this time using a Saab 2.0L gt17. It has been ready to install for a little while now. I was waiting to tune the NA engine for a good starting point for the turbo tune. I didn't think there was that much power left on the table in the stock tune, but an extra 20% torque from around 2500rpm up makes it feel a fair bit quicker.

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Next up, tuning the gt17!

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Re: N13 Turbo - Round 2... Fight!

Postby Charlescrown » Sat May 14, 2022 2:08 pm

Nice gains. Just love the dyno setup. Lucky your neighbours are a distance away.

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Joined: Fri Mar 04, 2016 10:35 am
Location: Windellama, NSW

Re: N13 Turbo - Round 2... Fight!

Postby BennVenn » Sun May 15, 2022 9:30 am

Pretty happy with those gains. I would have thought with the 94 e10 I'd get it to knock but any more timing past MBT and it gently rolls off and nothing out of the ordinary from the knock ears. Might be the low compression or the cool weather. That'll probably change with the turbo.

Our town had a 3 day, 24hr bush doof a couple of weeks ago. That pissed off a few neighbours - it was about 4km from us and it carried pretty well. Hopefully a couple of pulls over lunchtime doesn't ruffle too many feathers.

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Re: N13 Turbo - Round 2... Fight!

Postby antus » Sun May 15, 2022 9:47 am

Thanks for the update. That yourdyno.com kit looks quite cheap and simple and it looks like there is some good info there about low cost and home brew setups. I think i'll have to have a read.
Have you read the FAQ? For lots of information and links to significant threads see here: viewtopic.php?f=7&t=1396

Posts: 330
Joined: Fri Mar 04, 2016 10:35 am
Location: Windellama, NSW

Re: N13 Turbo - Round 2... Fight!

Postby BennVenn » Sun May 22, 2022 7:09 pm

The yourdyno gear has been great, really easy to set up and repeatable results run to run. I have a slight issue with strapping a fwd car down, it wants to climb onto the drive roller and off the idle roller which changes inertia and a slight wave in the torque. I'll be setting up a Dyno dynamics style tie down system which should fix that.

A small update on the build, intercooler piping cut, welded and everything fits nicely. Almost ready for tuning!

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