1.8 Zetec head info needed
25-04-2007, 10:06 PM
#2
PassionFord Post Troll
Not off the top of my head but....
The CR is 10:1 and the bore x stroke is 81 x 88 mm from memory.
With that info you should be able to work it out.
Will do it for you at work tomorrow if you are still stuck.
The CR is 10:1 and the bore x stroke is 81 x 88 mm from memory.
With that info you should be able to work it out.
Will do it for you at work tomorrow if you are still stuck.
25-04-2007, 11:06 PM
#3
PassionFord Post Whore!!
Thread Starter
If you could please,
i know the whole combustion chamber cc is 50cc, with 80.6 bore, 88 stroke, and capacity of 1794-6cc
but that doesn't tell me the cc of the head on its own, nor the crushed h/g.
Will you have a std head, h/g at work or info on what your measured before?
my other option is get a std head and gasket, and measure them.
i know the whole combustion chamber cc is 50cc, with 80.6 bore, 88 stroke, and capacity of 1794-6cc
but that doesn't tell me the cc of the head on its own, nor the crushed h/g.
Will you have a std head, h/g at work or info on what your measured before?
my other option is get a std head and gasket, and measure them.
26-04-2007, 08:05 AM
#4
PassionFord Post Troll
Dan,
Using a bore x stroke of 80.6 x 88 mm I make the volume above piston crown to be 49.9cc so the head chamber on its own must be a little bit less than the 50 cc you thought as if the gasket has a crushed thickness of 1mm it will be 5.1 cc
If you tell me what CR you are trying to achieve I can tell you how much material you need to remove from piston/head or thickness to add to a gasket if lowering or how much to skim off the head if raising.
Hope that helps,
Doug.
Using a bore x stroke of 80.6 x 88 mm I make the volume above piston crown to be 49.9cc so the head chamber on its own must be a little bit less than the 50 cc you thought as if the gasket has a crushed thickness of 1mm it will be 5.1 cc
If you tell me what CR you are trying to achieve I can tell you how much material you need to remove from piston/head or thickness to add to a gasket if lowering or how much to skim off the head if raising.
Hope that helps,
Doug.
26-04-2007, 07:11 PM
#5
PassionFord Post Whore!!
Thread Starter
Originally Posted by Garage19
Dan,
Using a bore x stroke of 80.6 x 88 mm I make the volume above piston crown to be 49.9cc so the head chamber on its own must be a little bit less than the 50 cc you thought as if the gasket has a crushed thickness of 1mm it will be 5.1 cc
If you tell me what CR you are trying to achieve I can tell you how much material you need to remove from piston/head or thickness to add to a gasket if lowering or how much to skim off the head if raising.
Hope that helps,
Doug.
Using a bore x stroke of 80.6 x 88 mm I make the volume above piston crown to be 49.9cc so the head chamber on its own must be a little bit less than the 50 cc you thought as if the gasket has a crushed thickness of 1mm it will be 5.1 cc
If you tell me what CR you are trying to achieve I can tell you how much material you need to remove from piston/head or thickness to add to a gasket if lowering or how much to skim off the head if raising.
Hope that helps,
Doug.
Cheers mate,
but i can work it all out,
just i havent got a std head or h/g off a 1.8 zetec to measure.
but i have got a pattern part h/g, which comes in at 83mm bore, @ 1mm crushed = 5.4cc
and the 49.9cc (as i worked out too, but i rounded it up, to make it easier)
as you know is for the head, h/g and piston and bore.
i guess that the std head will be around 45cc.
i will check 2moro when i go in the garage.
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06-05-2007, 04:33 PM
#10
10K+ Poster!!
Originally Posted by Fiecos Dan
I've just flicked thro burtons cat'' and cant find any info like that.
also forgot to reply on here too 
maybe worth giving someone like Ian Howell a ring and have a brief chat... i know you wont be a customer but he may not mind helping you out
worst case scenario he tells you to fuck off 
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