Intercooler ?'s

[baby99si]

I read that an intercooler raises the boost i am getting hte greddy turbo kit and keeping stock internals for now and if an intercooler makes more boost does this mean i shouldnt get it?The kit comes running 6-7 psi and that is good on stock internals but anymore and im going to f**k my engine up.

And what else is going ot make more boost?That i should be aware of.

 

[Soichiro-Honda]

6-7 psi is not hurting it. (What engine is it?) Intercooler helps make more boost cause it cools the air making it dense. Dosen't the kit come with an intercooler?

 

[zville00SI]

It doesnt make it dense, it makes it smaller, like in volume, if its hot it expands. Catch my drift? So yeah, the intercooler will give you more hp bc the colder air will allow more fuel to get into the cylinder.

 

[Soichiro-Honda]

Colder air increases in density, as the air temperature drops. I think you got it backwards.

 

[baby99si]

Its going on a b16 no it doenst come with the kit niether does a bov.

So what psi would i be running if i did get an intercooler if it comes running 6-7 with out the intercooler.i was told anymore then 8 psi and i need internal work so if an intercooler will put me over that i dont think i plan in getting one.

 

[edhgreatone]

the intercooler is one of the most important parts in keeping the engine from blowing up.... even if you run 6-7 why not be safe and get the intercooler you will need it down the road anyway if you plan on pushing your boost up

 

[baby99si]

K again 6-7 is what it runs right away with the intercooler it will be above that and anything above that on stock internals is not good so by getting that i put my motor in danger.

 

[stoleit]

you will want an intercooler and bov. an intercooler decreases the temperature of the air coming out of the turbo and into your engine. since this air is cold, it decreases in volume (increase in density). heres a rough comparison: (numbers wont work out, just an example)
one cubic foot of air at one room temp = one cubic foot of air volume
one cubic foot of air at 30 degrees colder = 1/2 cubic foot volume
the colder one is more dense, therefore you can fit more colder air in the same space regular temp or hotter temp air takes up...maken any sense?

the reason why you can run more boost with an intercooler is because the volume of the air is less, therefor you techinically "lose" boost with an intercooler, so you make it up by turning the boost up to counteract. Get the intercooler, and just run less boost if your worried.

BOV: Get one. It prevents compressor surge and you wont end up roasting your turbo. When you lift your foot off the gas you hear the pffftt, most people think all it is is a cool sound. its releasing the pressure between ur turbo and the intake. The engine is no longer needing that air so the only place for it to go is back...through the turbo...Get the BOV, its vents the pressure, saves ur turbo.

 

[baby99si]

Damn dude thanks alot i udnerstood it and it made all the sense in the world.

About hte Bov yea i orderd the Greddy kit, the greddy Bov, and a hondata.

So i already got the bov but i needed to understand the intercooler more before i got it,but thanks alot man i was getting a lil stressed for a second.

Is it cool if i pm you if i have anyother turbo questions?

 

[edhgreatone]

good info.....

 

[Handlebars]

Its going on a b16 no it doenst come with the kit niether does a bov.

So what psi would i be running if i did get an intercooler if it comes running 6-7 with out the intercooler.i was told anymore then 8 psi and i need internal work so if an intercooler will put me over that i dont think i plan in getting one.

an ic drops the boost pressure, but regardless, the wastegate will compensate for it. get an intercooler and a bov. although a turbo can be run without them, its a really really bad idea not to get em.

 

[Sound Streamin']

Get an IC no matter what. The air coming out of the turbo is very very HOT, and hot air will cause detonation, which is the enemy. You get an ic to cool the air so it's not so fricken hot when it hits the cylinder. That is why you get an IC, not because it makes you run more boost. The bigger the ic the better.. People who tell you that if an IC is huge, it will take too long to pressurize the tanks. That's garbage. The tanks pressurize in a millisecond no matter what. That said, you don't need to go buy a massive fmic. A smaller one is fine for most peoples needs... unfortunatly not mine.

 

[baby99si]

Sweet guys thanks for the help so putting the IC in wont do anything bad it will only do good is what i got.Will it be bad if i cant get the IC for a while i am getting hte kit with the BOV for sure will the bov cool it down a lil?

 

[baby99si]

Alright this is bullshit i found two differant supposed Greddy turbo kits.But one is ofr 2000 and one is 3000 but the kits are differant.Help if you can.Or are they pics of kits for differant cars not for 99 si's?

http://www.city-speed.com/webstore/eng_GreddyTurbos.html

http://www.coximport.com/greddy/turbo-kit.html

 

[Handlebars]

difference in price. some places sell the drag turbo kit for retail, which is 5 grand, and ive seen it brand new for 2500 or so. all about profit man.

 

[edhgreatone]

i like the way intercoolers look too... and the BOV great sound... it was be stupid not to get either of these with a turbo setup... also if you get more boost with an intercooler why are people saying that when you go through the intercooler you lose about 1 psi...?

 

[Handlebars]

i like the way intercoolers look too... and the BOV great sound... it was be stupid not to get either of these with a turbo setup... also if you get more boost with an intercooler why are people saying that when you go through the intercooler you lose about 1 psi...?

pressure drop. hot air goes in, gets cooled, and comes out the other side more dense, and consequently with less volume. so the pressure at the intercooler turbo side is higher than when it comes out on the throttle body side.

 

[edhgreatone]

so with the more dense it equals less volume so does mean the psi is the same but there would be more air into the engine?

 

[baby99si]

The psi goes down but the goes back up from hte intercooler so it evens out. Im not really getting a turbo for looks or sound i am getting the bov to get rid of hot air i dont need that can cause detonation and the intercooler i didnt reallyh plan on getting it for looks i want speed i dont want to blow my engine.

Why would it be stupid not to get either of those? I am getting the BOV but the intercooler will have to wait till i can afford it but i would still like to see why you think it is stupid.

 

[SeanMc300]

its not stupid, just not wise. sure you can run your car non intercooled, but its not exactly the smartest thing to do. with the non intercooled air being forced into your engine, it makes s**t ALOT hotter ALOT faster, which will lead to your motor going bye bye.