Thread: Dohc ej22e
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#13: 08-04-2012, 01:04 PM
 
 DOHCEJ22E1
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Putting 22E heads on a 25D will increase the compression ratio but it would be best to get those heads to flow in/out more air before putting them on. Any 2.2 pair of heads would be sufficient but their chambers changed a little as the years went on. And gasket thickness also determines the final C/R.
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