Doubs about simplify CA18DET

jimycrimson

jimycrimson

Member
Hi all,

I'm building a simple CA18DET, just for track, I removed:

- Oil/water thermo and replace by aftermarket oil cooler with thermo.
- IAC valve (IDLE managed with throttle bolt)
- No water lines for intake manifold, I'm using termal gaskets just leave the turbo water line.

So, the question is here:

I wanna remove the PCV valve, so, I think I've to conect the hoses from valve cover to catch tank, tap the PCV and the plug from intake.

It's right?

Regards
 
Draw a diagram of what you're intending to do.

You need to be careful you don't end up pulling un-metered air into the engine through the breathers.
 
r3k1355 said:
Draw a diagram of what you're intending to do.

You need to be careful you don't end up pulling un-metered air into the engine through the breathers.
Click to expand...

The idea it just leave the hoses from valve covers and tap the PCV and intake.

zwXrakK.png
 
That looks fine (assuming that thing on the top of the catch can is a filter)

Also, it may be worth removing the water cooling to the turbo if it is going to spend most of it's time being tracked. I know it sounds a bit odd but hear me out:

Running an oil cooler means you're not likely to see excessive oil temperatures, so the turbo will gain a lot of it's cooling from the oil
The constant heat cycling will at some point cause those water lines to break (common issue, and the oil feed line is also prone to this)
Yes, the water lines to the turbo are there to cool it when it sees excessive heat, but they are there just as much to get it up to temperature (ie add temperature)
With a 180sx front, air flow to the radiator is far from the best design. Removing an item from the cooling system will help keep coolant temperatures in check on track

If you wanted to go down this route i would invest in a braided line kit for both oil and water lines, but instead of running the water feed to the turbo, run it to the drain port (ie from head to block). Fit the braided oil feed as per normal

Food for thought anyway
 
BenRice said:
That looks fine (assuming that thing on the top of the catch can is a filter)

Also, it may be worth removing the water cooling to the turbo if it is going to spend most of it's time being tracked. I know it sounds a bit odd but hear me out:

Running an oil cooler means you're not likely to see excessive oil temperatures, so the turbo will gain a lot of it's cooling from the oil
The constant heat cycling will at some point cause those water lines to break (common issue, and the oil feed line is also prone to this)
Yes, the water lines to the turbo are there to cool it when it sees excessive heat, but they are there just as much to get it up to temperature (ie add temperature)
With a 180sx front, air flow to the radiator is far from the best design. Removing an item from the cooling system will help keep coolant temperatures in check on track

If you wanted to go down this route i would invest in a braided line kit for both oil and water lines, but instead of running the water feed to the turbo, run it to the drain port (ie from head to block). Fit the braided oil feed as per normal

Food for thought anyway
Click to expand...

Yeah! Its a filter hahahha

I'm using a new hoses for radiator and braided lines for turbo so I think I'll not have the CA18 lines problem. About run the turbo with out water... someone tried it before? I've 2560r.
 
jimycrimson said:
The idea it just leave the hoses from valve covers and tap the PCV and intake.

View attachment 303344
Click to expand...

Yea that looks ok, it's when people tap the PCV but leave the intake in place that things go bad.

Also you might want to check, clean/replace the breather hose that go's from the head to the block.
It's horrible to get to, runs under the intake manifold. But it's very bad for filling with gunk and blocking airflow.
 
r3k1355 said:
Yea that looks ok, it's when people tap the PCV but leave the intake in place that things go bad.

Also you might want to check, clean/replace the breather hose that go's from the head to the block.
It's horrible to get to, runs under the intake manifold. But it's very bad for filling with gunk and blocking airflow.
Click to expand...

Are you talking about this?

174_5b3df58d87875.jpg
 
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