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ihi rhb5 spool....

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Old 08-19-2004, 05:29 PM
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Default ihi rhb5 spool....
I'm wondering if i remove the wastegate how much psi a RHB5 from a mazda mx-6 can spool?
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Old 08-19-2004, 05:34 PM
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Default Re:ihi rhb5 spool....
first of all...dont do that. it will probably hit a decent amount of boost, although it wont be nearly efficient
 
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Old 08-19-2004, 05:35 PM
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Default Re:ihi rhb5 spool....
then if i put a maual boost controler... what would be the hight boost of this small turbo?
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Old 08-19-2004, 05:41 PM
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Default Re:ihi rhb5 spool....
on what car?...im sure on a honda it will spike really high but only hold like 10 psi or so...but i have no idea
 
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Old 08-19-2004, 05:41 PM
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Default Re:ihi rhb5 spool....
they are suppose to be good for up to like 15psi, but ---- it.

get something bigger if you want more power.

nathan
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Old 08-19-2004, 05:57 PM
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Default Re:ihi rhb5 spool....
Originally Posted by ssl2k
they are suppose to be good for up to like 15psi, but ---- it.

get something bigger if you want more power.

nathan
Its my fisrt HMT kit so first i will use stock wastegate 7.5~8.5 psi then i will increase boost with a boost controller... at this point, if i need more power i will buy a t3/t4

But for the moment i just want to know how much psi thi turbo will hold. So it seems to be holding 10psi...its a begining! :P
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Old 08-19-2004, 07:00 PM
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Default Re:ihi rhb5 spool....
yeah...

what kind of hp are you putting down with that turbo?

and what motor/setup?
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Old 08-19-2004, 09:33 PM
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Default Re:ihi rhb5 spool....
Originally Posted by ssl2k
yeah...

what kind of hp are you putting down with that turbo?

and what motor/setup?
its not installed yet but setup will be finish within a month or two...
i would say i want to put at least 165whp with stock wastegate (8 psi running vafc) maybe more when my ecu will be chipped on uberdata
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Old 08-19-2004, 10:29 PM
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Default Re:ihi rhb5 spool....
The stock wastegate will get you 7psi with good exhaust, with an MBC I wouldn't try to hold 10psi since the spikes you will get can get up to 12 or so pounds. I don't know about you but on a stock engine (as I am assuming) I wouldn't wanna take that chance. Use your MBC to hold at 8 with spikes around 10.
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Old 08-19-2004, 10:33 PM
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Default Re:ihi rhb5 spool....
i thought the mbc was supposed to help stop boost spikes?
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