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ef compression 

 

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 Post subject: ef compression
Posted: Sat Sep 02, 2006 2:28 pm 
Getting Side Ways
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Ride: ef fairmont,

Location: brisbane
QLD, Australia

what is ideal compression ratio for a ef i6 motor (in psi and kpa) asap response would really help thanx all :D :lol: :wink: :mrgreen:

 

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Posted: Sat Sep 02, 2006 2:30 pm 
Fordmods Junkie
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11/1 :)

i checked mine recently and they are all around 8.5/1

 

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Posted: Sat Sep 02, 2006 2:36 pm 
Getting Side Ways
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Ride: ef fairmont,

Location: brisbane
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would u know how many psi,kpa it was :lol: it was like round

 

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Posted: Sat Sep 02, 2006 2:56 pm 
Getting Side Ways
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Location: Adelaide
SA, Australia

standard compression ratio is 9.3:1

cylinder pressure is 1010kpa or 146psi for a stock engine give or take

 

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Posted: Sat Sep 02, 2006 8:15 pm 
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Ride: 96 XH/97 EL

Location: South Coast
NSW, Australia

As mentioned, min pressure to be not below 1010kpa, max diff between pressures not to exceed 100kpa.
For comparison figures, I checked mine last week - 1325kpa plus/minus 25kpa - EL I6 220000 km.

 

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