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| jake8090 |
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Au4.0 is 150 psi to low for cylinder compression ?? I'm going to be running 9psi into a au motor in the future and need to find out what is good compression
Any ideas would be great 
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| EBXR8380 |
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If all 150 its ok ...
_________________ As in ZOOM 126 edition |
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| Shortshift |
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I read on another Fordmods thread that the readings should be 180-200psi (non VCT). How many kms has your engine done, and is that the worst reading of all of them? I had about 170psi readings on stock E-Series engines.
_________________ AU2 XR8 with Raptor VL, ported Yella Terra GT40P heads, Scorpion 1.6 RRs, XE264HR-14 Comp Cam, ceramic coated Hurricane Headers, 60lb injectors, Walbro 255, 200cfi cats, 3" exhaust & Snow Performance water methanol injection |
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| TROYMAN |
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yes, 170-190psi is where ive seen a few au engines, but 150 psi is still ok, actually it will cope slightly better with boost at 150psi..
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| jake8090 |
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The motor I have now is a au 4.0 ,xr6 ef head it has 150 psi in the cylinders but has a lot of blow by running9 psi
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| Mad2 |
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{USERNAME} wrote: yes, 170-190psi is where ive seen a few au engines, but 150 psi is still ok, actually it will cope slightly better with boost at 150psi..  thats great ta see as i hav an AU mota here that i hav ta checkout....  
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