need a head..
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04-06-2008, 11:27 AM
#12
You could help by providing a bit more info 
.
1. A 2wd head will have the casting on the side to take a turbo damper, whereas a 4x4 one won't, so will require a Bailey / Spec-R hanger or bracket.
2. They come in various levels of condition / spec and whether you want a built up one or just a bare head.
Expect to pay £375-£475 depending on condition and date of manufacture (the latter being for a head cast (but still bare) to the later 4x4 spec, but still with the turbo damper mounting - the very last 2wd heads made).
Obviously I can also have these ported for you to a good 450bhp spec
.
.1. A 2wd head will have the casting on the side to take a turbo damper, whereas a 4x4 one won't, so will require a Bailey / Spec-R hanger or bracket.
2. They come in various levels of condition / spec and whether you want a built up one or just a bare head.
Expect to pay £375-£475 depending on condition and date of manufacture (the latter being for a head cast (but still bare) to the later 4x4 spec, but still with the turbo damper mounting - the very last 2wd heads made).
Obviously I can also have these ported for you to a good 450bhp spec
.
04-06-2008, 11:39 AM
#16
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cheers mike 
now tell me how much your gona charge me for the headwork and what turbo to go for as i have no idea.. had so many diffrent options and not sure
now tell me how much your gona charge me for the headwork and what turbo to go for as i have no idea.. had so many diffrent options and not sure
04-06-2008, 11:54 AM
#17
Stop moving the goal posts then 
.
A roller-bearing T38 will do 450bhp, but that will be about it's comfortable limit...
An externally gated GT30 0.63 a/r is a nice 450bhp turbo and will squeeze 500bhp if pushed (see Paul Ripley's dyno figures)
. However, you would normally spec the whole engine around the minimum power required, in order to make it as responsive as possible.
.A roller-bearing T38 will do 450bhp, but that will be about it's comfortable limit...
An externally gated GT30 0.63 a/r is a nice 450bhp turbo and will squeeze 500bhp if pushed (see Paul Ripley's dyno figures)
. However, you would normally spec the whole engine around the minimum power required, in order to make it as responsive as possible.
04-06-2008, 11:55 AM
#18
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Stop moving the goal posts then .
A roller-bearing T38 will do 450bhp, but that will be about it's comfortable limit...
An externally gated GT30 0.63 a/r is a nice 450bhp turbo and will squeeze 500bhp if pushed (see Paul Ripley's dyno figures). However, you would normally spec the whole engine around the minimum power required, in order to make it as responsive as possible.
.A roller-bearing T38 will do 450bhp, but that will be about it's comfortable limit...
An externally gated GT30 0.63 a/r is a nice 450bhp turbo and will squeeze 500bhp if pushed (see Paul Ripley's dyno figures)
. However, you would normally spec the whole engine around the minimum power required, in order to make it as responsive as possible.ok lets call it 470minimum
dont really want to go external now.
04-06-2008, 12:02 PM
#20
T4 roller-bearing or GT30 internally gated. Then swing the cams for response and sacrifice some top-end . Those are your ONLY choices for 470bhp internally gated . I would go with the T4 personally, as it is bomb proof. But according to everyone, I'm stuck in the past .
. Those are your ONLY choices for 470bhp internally gated . I would go with the T4 personally, as it is bomb proof. But according to everyone, I'm stuck in the past .
04-06-2008, 12:05 PM
#21
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T4 roller-bearing or GT30 internally gated. Then swing the cams for response and sacrifice some top-end . Those are your ONLY choices for 470bhp internally gated . I would go with the T4 personally, as it is bomb proof. But according to everyone, I'm stuck in the past .
. Those are your ONLY choices for 470bhp internally gated . I would go with the T4 personally, as it is bomb proof. But according to everyone, I'm stuck in the past .
04-06-2008, 12:06 PM
#22
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T4 roller-bearing or GT30 internally gated. Then swing the cams for response and sacrifice some top-end . Those are your ONLY choices for 470bhp internally gated . I would go with the T4 personally, as it is bomb proof. But according to everyone, I'm stuck in the past .
. Those are your ONLY choices for 470bhp internally gated . I would go with the T4 personally, as it is bomb proof. But according to everyone, I'm stuck in the past .and yes i agree with being stuck in the past..
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04-06-2008, 06:43 PM
#30
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well past it best then as it will now be very close into the valve seat area
I have a 4x4 head that measures 138.75mm that perfectly flat if your interested
04-06-2008, 07:05 PM
#31
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If it helps I paid £650 fairly recently for a bare 2wd head, although it had already had a lot of work done.
An unskimmed head will be weighing in at comfortably £700+, or at least that's what I found when I was looking for one.
04-06-2008, 09:52 PM
#37
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no any head past 138mm is deemed past its best ford say any lower than 138.68 and you can have issues, i've personnally had a head at 138mm on a low comp engine running 380bhp and had no issues
If you go off ford manual 138.68mm is the lowest a head should be,
but you can get away with running them as low as 138mm but its not advisable as you can get valve contact when the heads are that low
04-06-2008, 09:55 PM
#38
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no any head past 138mm is deemed past its best ford say any lower than 138.68 and you can have issues, i've personnally had a head at 138mm on a low comp engine running 380bhp and had no issues
If you go off ford manual 138.68mm is the lowest a head should be,
but you can get away with running them as low as 138mm but its not advisable as you can get valve contact when the heads are that low
If you go off ford manual 138.68mm is the lowest a head should be,
but you can get away with running them as low as 138mm but its not advisable as you can get valve contact when the heads are that low
mate pm me a price for the head please.
.