rs500 t4 on standard head has anyone done it ?
24-06-2008, 04:33 PM
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rs500 t4 on standard head has anyone done it ?
just wondered what boost a standard port head would take with a proper t4 before it started surging ? has anyone tried it ?
24-06-2008, 04:57 PM
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it was ok on mine at 28 lbs.
24-06-2008, 05:43 PM
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Normally start to surge a buit around 25psi.
24-06-2008, 06:39 PM
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ford did it at the factory!
24-06-2008, 06:49 PM
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Quote:
Originally Posted by
Stu @ M Developments
Normally start to surge a bit around 25psi.
Would a largened penny washer help with that at all Stu? Or am I confused, and getting my terminology the wrong way round?
Last edited by cossie604; 24-06-2008 at 06:50 PM .
24-06-2008, 06:50 PM
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Quote:
Originally Posted by
dave cos4x4
it was ok on mine at 28 lbs.
& went like stink when Karl mapped it
24-06-2008, 06:59 PM
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Mine had just cleaned up ports and that went alright at 28-29psi boost.
24-06-2008, 08:36 PM
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mine was standard and held 30psi,ported wastegate though
25-06-2008, 08:31 AM
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im curious as id like to be making 2.2 bar from 4k without surge. my head has only had lite porting and a polish and am wondering if it could be my inlet manifold causing the surge between 4 - 5k rpm. if i can be certain itl cure it i wana put on small turbo escos inlet and remap with a bd15 inl cam and be on full boost straight away.
25-06-2008, 08:59 AM
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mine boosts at 24 psi on std head
25-06-2008, 09:12 AM
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Quote:
Originally Posted by
Stu @ M Developments
Normally start to surge a buit around 25psi.
would using a GT30 have the same problem? Does having a different cam such as BD14 get round the problem somewhat?
25-06-2008, 09:39 AM
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Mine Gt3076, have anti surge kompr. house
25-06-2008, 09:47 AM
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Quote:
Originally Posted by
grcossie
Mine Gt3076, have anti surge kompr. house
is that also know as a ported shroud?
25-06-2008, 09:52 AM
25-06-2008, 10:20 AM
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Mines at 25psi at the moment and will be 30psi soon on a totally standard engine
25-06-2008, 11:50 AM
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what injectors are you using gary and what ecu
26-06-2008, 03:52 AM
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Still on p8 mate, and im using siemans injectors.
26-06-2008, 07:12 AM
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Quote:
Originally Posted by
milkman
Mines at 25psi at the moment and will be 30psi soon on a totally standard engine
nice
what kind of figures are you making Gary?
26-06-2008, 07:24 AM
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24-06-2008, 04:33 PM
rs500 t4 on standard head has anyone done it ?
