ITB's?

DIGItonium · 07-05-2009, 11:20 PM

We'd all be curious to see how much restriction can be removed from the intakes and manifold while reducing air temperatures. Maybe I'm going nuts, but the Z starts to feel sluggish when ambient temps exceed 90F.

Without going to the extremes of tucking the intake filter behind the bumper (since I prefer ease of maintenance), it would be nice to see aftermarket support for improved intake manifolds and whatnot to reduce restrictions and temperatures.

regisbou · 07-06-2009, 04:58 PM

In that case get a meth/water injection kit. This will only keep the cyl head temps lower but in tern it will lower the air temp as well.

A little droplet of water will absorb a lot of heat without getting hot fast enough to match the temperature it is absorbing by the time combustion takes place.

Meth Injection, ram air setup, removal of butterfly valve in TB/intake port. Manifold wise I have no clue, but those three things that I just previously stated should reduce temps and improve velocity.

Faster air = cooler air. Higher octane = better cooling.

So for cheap mods, channel some HVAC to the CAI or whatever intake you have via the front bumper, you can always get a drain plug to plug the hose when it rains. Get some Octane boost (not because it will give you more power but because it will reduce cyl head temps intern making the air cooler (denser) while being compressed and therfore giving you your power back or giving you more depending on your ECU learning curve.

If you run 91 octane try finding a gas station with 93. If not just get 89 and put in some octance boots (STP) it should up it about 5 numbers so around 94.

Thats all I can think of other than getting a new intake manifold

kannibul · 07-06-2009, 06:35 PM

Quote:

Originally Posted by regisbou

In that case get a meth/water injection kit. This will only keep the cyl head temps lower but in tern it will lower the air temp as well.

A little droplet of water will absorb a lot of heat without getting hot fast enough to match the temperature it is absorbing by the time combustion takes place.

Meth Injection, ram air setup, removal of butterfly valve in TB/intake port. Manifold wise I have no clue, but those three things that I just previously stated should reduce temps and improve velocity.

Faster air = cooler air. Higher octane = better cooling.

So for cheap mods, channel some HVAC to the CAI or whatever intake you have via the front bumper, you can always get a drain plug to plug the hose when it rains. Get some Octane boost (not because it will give you more power but because it will reduce cyl head temps intern making the air cooler (denser) while being compressed and therfore giving you your power back or giving you more depending on your ECU learning curve.

If you run 91 octane try finding a gas station with 93. If not just get 89 and put in some octance boots (STP) it should up it about 5 numbers so around 94.

Thats all I can think of other than getting a new intake manifold

Aren't the valve-covers filled with oil (to lube the VVEL system)?

If so, I imagine that all that oil would retain heat a lot more than a few drops of water could do.

regisbou · 07-06-2009, 08:54 PM

Look up meth/injection on google...its a very common setup for supercharged engines as well as turbocharged engine.

Suby's get around 15+hp just with the kit and their cyl head temps go way down.

Look...as for the NA debate I dont give a doo doo if the fastet car in the world has 20 turbos and its the fastest one.

I AM SAYING that HP FOR HP N/A wins. Get that through your head, I dont care if a turbo can have 1800hp, I am saying that HP for HP 300 vs 300 or even 310 FI the 300 NA will win on the track.

End of story.

NA is more reliable as well. Nascar, Indy, F1, Moto GP all NA...go figure lol.

I agree that turbo's are the fastest top speed wise, and that they have the potential to rape NA's because of the whole HP per litre issue, but NA is always more rewarding. Better throttle response is a winner in my book.

I love turbo's dont get me wrong, but you saying that HP for HP FI wins i'm sorry but your argument is false.

Of course this has to do with the same car, same engine etc...

in good regards,

Regis

07-05-2009, 11:20 PM	#1 (permalink)
DIGItonium A True Z Fanatic Join Date: Jan 2009 Location: Kansas Posts: 3,800 Drives: 09 Z34-TT 6MT Rep Power: 43	We'd all be curious to see how much restriction can be removed from the intakes and manifold while reducing air temperatures. Maybe I'm going nuts, but the Z starts to feel sluggish when ambient temps exceed 90F. Without going to the extremes of tucking the intake filter behind the bumper (since I prefer ease of maintenance), it would be nice to see aftermarket support for improved intake manifolds and whatnot to reduce restrictions and temperatures. __________________

07-06-2009, 04:58 PM	#2 (permalink)
regisbou Base Member Join Date: May 2009 Location: Northern Virginia Posts: 22 Drives: 06 Scion Xa Rep Power: 16	In that case get a meth/water injection kit. This will only keep the cyl head temps lower but in tern it will lower the air temp as well. A little droplet of water will absorb a lot of heat without getting hot fast enough to match the temperature it is absorbing by the time combustion takes place. Meth Injection, ram air setup, removal of butterfly valve in TB/intake port. Manifold wise I have no clue, but those three things that I just previously stated should reduce temps and improve velocity. Faster air = cooler air. Higher octane = better cooling. So for cheap mods, channel some HVAC to the CAI or whatever intake you have via the front bumper, you can always get a drain plug to plug the hose when it rains. Get some Octane boost (not because it will give you more power but because it will reduce cyl head temps intern making the air cooler (denser) while being compressed and therfore giving you your power back or giving you more depending on your ECU learning curve. If you run 91 octane try finding a gas station with 93. If not just get 89 and put in some octance boots (STP) it should up it about 5 numbers so around 94. Thats all I can think of other than getting a new intake manifold Last edited by regisbou; 07-06-2009 at 05:01 PM.

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07-06-2009, 08:54 PM	#4 (permalink)
regisbou Base Member Join Date: May 2009 Location: Northern Virginia Posts: 22 Drives: 06 Scion Xa Rep Power: 16	Look up meth/injection on google...its a very common setup for supercharged engines as well as turbocharged engine. Suby's get around 15+hp just with the kit and their cyl head temps go way down. Look...as for the NA debate I dont give a doo doo if the fastet car in the world has 20 turbos and its the fastest one. I AM SAYING that HP FOR HP N/A wins. Get that through your head, I dont care if a turbo can have 1800hp, I am saying that HP for HP 300 vs 300 or even 310 FI the 300 NA will win on the track. End of story. NA is more reliable as well. Nascar, Indy, F1, Moto GP all NA...go figure lol. I agree that turbo's are the fastest top speed wise, and that they have the potential to rape NA's because of the whole HP per litre issue, but NA is always more rewarding. Better throttle response is a winner in my book. I love turbo's dont get me wrong, but you saying that HP for HP FI wins i'm sorry but your argument is false. Of course this has to do with the same car, same engine etc... in good regards, Regis