Mine was setup up through the top...however my drain is the bottom passenger side plug.

 

Any updates?

 

It's not hitting VTEC because of not enough oil pressure.

The ECU thinks everything is all good tho so it adds a crap load of fuel...so it bogs and misfires and looks like your dyno graph does.

 

Yes, that's what it was. I replaced the vtec gasket and now the car will rev till red line.

I've also spoken to Paxton and they have told me that the oil squirter that fits in the bottom port fits in the top without fouling the gearing, so I can swap it if I want (which I will do).

They did also say that they now run their mustang kit in this configuration bottom feed and bottom drain.... But in my application on the S I can do either.

I'll report back when I've been on the dyno again. It won't be for a couple of week yet though.

 

Bit of any update, but not a good one unfortunately.

I've been doing some data logs prior to going for tuning and my N1200 is make too much boost?

It's currently making 22psi @ 7300rpm using a 3.2" SOS pulley. I've ordered a 3.4" pulley and fitted that but it now making 22 psi @ 7800rpm....

I've measured my crank pulley (whilst fitted to the car) and it measured about 5.5", this was installed on my old N1000 kit

Can anyone confirm the crank pulley size needed to match the boost readings on the SOS website?

This upgrade is turning out to be more hassle than it's worth!

 

I believe the CT crankshaft pulley size is the same as SOS which is measured as 5.45". Not sure how you're measuring boost, but there's no way that you're making 22psi at 7300rpms with a 3.2". There has to be some type of miscalibration. For reference, my N1200 with a 3" on my AP2v1 is making about 16psi at 7600rpms. It peaks around 18 to 21psi at 8400rpms depending on the ambient temperature.

 

I wish it was but I don't think it is.

The dyno confirmed the readings and the AEM boost cut is set to 22psi and it cuts out. Also the AEM only see's 15psi when the N1000 if fitted with a 3.0" pulley which is about right.

Could the blower be faulty? It's looking like I'd make 18 on a 4" pulley which is nuts..... It's making me want to sell the car....

3.4 pulley chart

 

I don't see how the blower could possibly be faulty by making more boost than you would expect. Is it possible that they changed or manufactured your 1200 with different internal gearing? That's the only think that makes sense to me. I'm not sure what the ratio is supposed to be, but it would be easy to pull the intake tube off and measure how many times the compressor wheel rotates when you rotate the back pulley 1 revolution.

Regardless, it's easy and cheap enough to swap pulleys once you determine the ratios, so you can figure out the proper pulley size for the boost level you want after that. I wouldn't give up on the car just yet.

 

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I've thought that but I've never seen anyone produce numbers like that on the board. I'm going to call Paxton again on Monday and ask them.

There website does say that the max boost pressure for the N1200 is 22psi at 52000 rpm. I didn't think at 7.3K on a 3.2" pulley it wouldn't equal 52k unless the ratios have changed as you say.

 

The Novi 1200 step-up ratio (gear ratio) is 3.61:1 apparently:

https://www.s2ki.com/s2000/topic/113...#entry23733514

That would be simple enough to check just for sanity like I mention above.