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Want to cool down for more boost!!!

MsG_ChRiS
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BezerkR32 Veteran

BezerkR32

Posted
Posted

coolers do not cause lag, i dont know where this idea comes from. as for pressure drop, this is needed as the inteference in air flow thruogh the core is what dissipates the heat out of your air charge. if your cooler flows with no pressure drop, its not efficient. you should defenetly feel performance increase with a good quality cooler fitted because your air charge is denser. this is what coolers are for.

if yor not feeling it, your coolers not efficient. you have just extended your cooler piping. factory cooler probably more efficient at lower boost levels. you will definately sort the good from the rubbish when you start pushing some boost.

10psi isnt worth the effort. you will notice the difference at around 15-18psi

Roy Grand Master

Roy

Posted
Posted

The reason ppl equate big ICs with lag is it will always take longer for a pump (in this case turbo) to pressurise a larger volume given the same flow)

So the turbo has to pressurise the pipes, the intercooler and the inlet manifold before it has a hope of pressuring the combustion chamber. Obviously a good coolers ability to flow air is important, but ppls fear of not seeing boost as quickly is based on the change of internal volume to the system when running the std turbo which can only flow so much cfm.

Yeh, yeh someone is going to come along and say boost is irrelevant, its cfm that matters, boost is a measure of resistance la, la, la...but we are all on the same page, generically more psi - more cfm

SLY33 Mentor

SLY33

Posted
Posted

haha lol at above!

So far ive gathered from here that Hyperflow have the best coolers on the market. Also that ARC have the best coolers on the market. Can anyone tell me more about these hyperflow jobs?

Ive been running a older hybrid, 600x300x75 thru various stages of power, now making ~270rwkw at just under 1.2bar. No probs so far... Id consider getting something phatter coz its the only thing that i havent upgraded for a while, but theres no more room without hacking into the bar.

siksII Grand Master

siksII

Posted
Posted

no dyno graphs, but i have owned 2 gtsts, one with a fmic(now) and one without(my old one) and test driven HEAPS (have made a few friends buy gtsts too and im always the test driver!)

and every one with a fmic felt laggier.

i think i should re-describe what i meant, instead of lag, a better description would be throttle response.

roy, i dont have a huge fmic, i have a greddy smaller model one! (i think the vspl) with greddy piping so nothing out of the ordinary.

BezerkR32 Veteran

BezerkR32

Posted
Posted
The reason ppl equate big ICs with lag is it will always take longer for a pump (in this case turbo) to pressurise a larger volume given the same flow)

So the turbo has to pressurise the pipes, the intercooler and the inlet manifold before it has a hope of pressuring the combustion chamber.  Obviously a good coolers ability to flow air is important, but ppls fear of not seeing boost as quickly is based on the change of internal volume to the system when running the std turbo which can only flow so much cfm.  

Yeh, yeh someone is going to come along and say boost is irrelevant, its cfm that matters, boost is a measure of resistance la, la, la...but we are all on the same page, generically more psi - more cfm

good reason to go too custom plenum. Shorter pipes etc, are people really persisting with standard turbo?

Munna Rising Star

Munna

Posted
Posted
did you have to hack the front bar to fit the Hybrid kit Munna?

Your front bar is the same as mine(if thats your car in the sig) I had to cut about 20mm off the bottom lip for it to fit I also had to cut the front bar support. No big deal all fitted up well and looks good now its finished.

I ran 10.5 psi before I had the cooler on and im still running that now I had a big miss after I installed it took it to my tuner and it turns out I had dirty coils they cleaned them, regaped my plugs and retuned my SAFC for a result of 195 at the rears and you could realy fell the differents in performance.

:stupid:

NickR33 Grand Master

NickR33

Posted
Posted

yeah thats my car in sig so we have the same front bar and I have the same cooler kit as you... could you send me some pics of your install? I am also running 10.5psi and have a SAFC so am hoping to push somewhere near 200rwkw with the Hybrid kit... have you upgraded your fuel pump?

did you install it yourself? I am toying with the idea... however I am not the most patient person when it comes to mechanical things...

Munna Rising Star

Munna

Posted
Posted
yeah thats my car in sig so we have the same front bar and I have the same cooler kit as you... could you send me some pics of your install? I am also running 10.5psi and have a SAFC so am hoping to push somewhere near 200rwkw with the Hybrid kit... have you upgraded your fuel pump?

did you install it yourself? I am toying with the idea... however I am not the most patient person when it comes to mechanical things...

Did you get fitting instructions with your cooler?

I fitted it with a mate who is a machanic we took out time took most of the day. Fitting instructions should come with the kit you will need to cut a hole for the return pipe but its all in the intructions all the pipes fitted up nicely. Unfortunatly I got no pics while we were installing but I will post one of the finished job when I get a chance. Might be worth getting a quote on fitment if you are not very patient with machanical things.

I have not upgraded my fuel pump although it would probably be a good idea to do so I have had it tested though and it is in good health. All my mods are in sig with the same mods and a good tuner you should get a similar power output.

:rofl:

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