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| Raptorsc |
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The pressure drop being seen is much more a result of friction, the longer the pipe, the longer the intercooler tubing, the more bends, take all those out and he will have HEAPS of pressure
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| EBXR8380 |
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The pressure drop could also be a very efficient cooler?? In being its cooling and making the air more dense.. It seems you have a pressure leak though?? Try adding some pressure and lowering into some water and check for bubbles...
Sheesh I have a cheap Hybrid intercooler and it flows 750 h.p so far. It's bar and plate which is better for drag racing. The tube and fin is better for circuit racing as there's less heat sink ability but better air circulation... But this can become a big debate !! [Like turbo / blower which is better?] They both work.. Being in Tassie I daught cooling would be an issue unless your way out of compressor efficiancy...
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| Slick |
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{USERNAME} wrote: The pressure drop could also be a very efficient cooler?? In being its cooling and making the air more dense.. It seems you have a pressure leak though?? Try adding some pressure and lowering into some water and check for bubbles...
Sheesh I have a cheap Hybrid intercooler and it flows 750 h.p so far. It's bar and plate which is better for drag racing. The tube and fin is better for circuit racing as there's less heat sink ability but better air circulation... But this can become a big debate !! They both work.. Being in Tassie I dought cooling would be an issue unless your way out of compressor efficiancy... I think twr7cx problem is its so cold down here the air going through the cooler solidifies, narrowing the air pathway. ROFL before he installed the cooler, he was still having boost drop. faulty BOV I reckon.
_________________ Mind f**k!!! it works on feeble minded ignorant sheeples... there's plenty of em on this site... some are very intelligent but by god they are so thick!!! {USERNAME} wrote: You can buy them seppertly
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| twr7cx |
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{USERNAME} wrote: before he installed the cooler, he was still having boost drop. faulty BOV I reckon.
That was resolved prior to upping the boost and installing the cooler - it was wrong setting on BOV. Incorrect spring and trumpet. |
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| twr7cx |
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I'm going to fit a 2.5" pulley (hopefully next week). If the boost increases then that means that the intercooler is probably not leaking, it's just causing a pressure drop. If the boost doesn't change, then it more than likely means the intercooler has an issue - which can be confirmed by removing the intercooler and running a straight pipe in it's place again.
Even with an intercooler that causes less of a pressure drop I'm still only going to be getting 7psi(as that's how much I get with no intercooler installed) or less. Since I'm wanting 9psi to actually be getting into the manifold either way I have to increase the boost further to receive this. If I can get 9psi into the manifold and retain the current cooler it means that the 9psi should be nice and cold. Then when I upgrade the fuel system I can look at a more efficent cooler setup to get more boost into the engine. |
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| xfpaul |
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noise from the bov at idle ??? WTF shouldnt make any at idle,ring me
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| Steady ED |
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{USERNAME} wrote: noise from the bov at idle ??? WTF shouldnt make any at idle,ring me
Yeah it will, depending on the spring. Chances are its a soft one being a centrifugal blower.
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| twr7cx |
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{USERNAME} wrote: {USERNAME} wrote: noise from the bov at idle ??? WTF shouldnt make any at idle,ring me Yeah it will, depending on the spring. Chances are its a soft one being a centrifugal blower. That's correct. It does sit a bit open at idle, and should - according to CAPA etc. And it's an extra soft spring by Turbosmart specifically for centrifugal applications. The original problem I had was I was running a Type III Dual Port, which has a lower opening, so some boost was leaking. I've since changed to a Type III Megasonic which is what the spring is for and now the BOV is fine. |
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| badcooky |
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What was the end result here dude.
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| Raptorsc |
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It certainly should be open at idle for a centrifugal setup. Seems all correct to me. Not all floating piston type BO valves are well suited but see how you go.
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| shav |
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sorry to thread mine.
Just was wondering if you got the boost leak issues sorted out on your setup?
_________________ Cheers |
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