Paddles more fun then an actual clutch, that's an opinion!

 

Dustin you went crazy lol wen u get your new motor, stop taking it around those tracks lol, i know how you do it

 

Dustin, give me a call and I can explain everything to you

 

There is a local G37 sedan owner that needed his engine replaced at 900 miles. They ended up giving him a new car. There is a thread in the sedan section that has the details.

 

What would it cost to have the engine replaced? Also, if you aren't hitting the redline or rev limiter, why wouldn't the engine be OK and running in its designed operating range?

 

His cost is nothing, because it is being replaced under warranty.

My guess would be oil starvation due to hard banked cornering and/or chicanes. This is not a VQ specific problem, as any motor under those circumstances will suffer the same failure unless specifically prepared to deal with oil pressure loss.

 

Can you spell ABUSE?

 

The techs at the dealership just needed to make some hours so thats why they did what they did//.

 

100% correct! Add in the fact that the G is clearly not meant to be FI'd or tracked like that....1/4 mile or road raced. I believe thats what NIssan provided the 350/370z for.....

 

His car is not FI. It is a 5AT. It is impossible to overrev the engine.

The 350Z/370Z would have had the SAME issues he had even earlier, as they can pull more lateral Gs.

Hot lapping and canyon cruises are hardly the same as road racing and going turbo.

 

Isn't there something that alleviates that issue? The lateral G pulling the oil to 1 side.

Or do we not have that mechanism. I think I read about it for Corvette?
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Yes, the 'Vette has it--called a dry sump oil system. It keeps the oil supply to the engine at a constant pressure even at over 1 lateral g. It doesn't use a traditional oil pan with pickup tube like our G35/G37 does.

Description here: http://www.drysump.com/drysump.htm

And a longer one with pictures: http://www.stockcarracing.com/techar...tem/index.html

 

A dry sump.

Most production cars use a wet sump.

A wet sump system has 1 oil pump, and the 'intake' for the oil pump is in the bottom of the oil pan.

A dry sump system as 2 oil pumps. The first one is basically the same as the wet sump system: it pumps from the bottom of the oil pan. Instead if going straight back to the engine, it pumps into a resovoir, which has a second pump that pumps to the engine.

You can starve the 1st pump in the dry sump system, and still maintain engine oil pressure for a while via the 2nd oil pump.


I run a baffled oil pan and an accusump (pressurized oil collector).

*edit* he beat me to it... lol

 

Mike, pictures? Cost? Model?????

 

I realize it was covered under warranty, but what if it wasn't? What would something like a blown motor cost?