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How much power

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Old May 31, 2009 | 07:35 PM
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Default How much power

How much power can my head handle if kept standard with standard cams

It measures just over 139mm dont think its ever been skimmed
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Old May 31, 2009 | 07:56 PM
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Over 400 bhp.
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Old May 31, 2009 | 07:58 PM
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Thats good then only want stage 3
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Old May 31, 2009 | 08:02 PM
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standard heads are limited to around 420hp
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Old May 31, 2009 | 08:06 PM
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Didn't cossie rich get more than 420 on a standard head
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Old May 31, 2009 | 08:16 PM
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Originally Posted by LHD220Turbo
standard heads are limited to around 420hp
453bhp i think cossierich got on a std head(non ported) but he has got cams and pistons
Paul
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Old May 31, 2009 | 08:27 PM
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Originally Posted by KSA-Cossie
Didn't cossie rich get more than 420 on a standard head
different inlet cam i believe
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Old May 31, 2009 | 08:29 PM
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Originally Posted by costina
453bhp i think cossierich got on a std head(non ported) but he has got cams and pistons
Paul
inlet i believe is different

you done much on the Tina over the weekend?
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Old May 31, 2009 | 08:31 PM
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Originally Posted by LHD220Turbo
inlet i believe is different

you done much on the Tina over the weekend?
nope been sulking back to work tomorrow

Paul
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Old May 31, 2009 | 08:47 PM
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Originally Posted by costina
nope been sulking back to work tomorrow

Paul
ohh yeah 1st June! that first day is gonna be hard!
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Old May 31, 2009 | 08:54 PM
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depends what you rev it to. my head is just polished with 4x4 plenum and bd14s and makes 472 bhp at 7800 rpm on a t4 at 32 psi. boost had to be capped below 5k revs to 25 psi as it was surging.
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Old Jun 1, 2009 | 07:21 AM
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Originally Posted by scoooby slayer
depends what you rev it to. my head is just polished with 4x4 plenum and bd14s and makes 472 bhp at 7800 rpm on a t4 at 32 psi. boost had to be capped below 5k revs to 25 psi as it was surging.
That's nice power, bet she goes well!!
tabetha
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Old Jun 2, 2009 | 07:44 AM
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Standard port head can get more than 420 as i have prooved. Cam change - BD14 inlet, 4x4 plenum cover and spacer got me 453 bhp

Last edited by CossieRich; Jun 2, 2009 at 07:46 AM.
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Old Jun 2, 2009 | 08:08 AM
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Originally Posted by CossieRich
Standard port head can get more than 420 as i have prooved. Cam change - BD14 inlet, 4x4 plenum cover and spacer got me 453 bhp
true, but they guy asked for a standard head & cams
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Old Jun 2, 2009 | 08:43 AM
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indeed he did but i was just pointing out that a standard head is not limited to 420. Maybe with standard cams it may be
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Old Jun 2, 2009 | 10:35 AM
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Originally Posted by CossieRich
indeed he did but i was just pointing out that a standard head is not limited to 420. Maybe with standard cams it may be
yup,

yours make good power, must be nice to drive especially with the GT turbo
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