Quote:
Originally Posted by dark_thorns
Is the oil pump, alternator, timing components (obviously not the belt), and all the other external drive systems from an EJ25D compatible with an EJ22?
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Everything that you have mentioned is perfectly compatible with the EJ22.
There have been some instances where I've seen the same accessories on both engines.
Quote:
Originally Posted by Kennyfvholla
True. I was speaking along the lines of 2.2/2.5 build. Either way, I'd rather use the 97-99 EJ25D heads. They have a better quench design, you can rev them higher, and they're just as good after some porting. I'm not saying they wouldn't work, I'm just saying the non-HLA head is a better start.
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The 96 25D heads are better suited for TQ due to the wider intake ports & the VERY small exhaust ports. The quench chambers are suited prefectly for the 2.5 bore. These heads would be perfect for a smoothly running engine. Smoothness contributes heavily to reliability & response.
Quote:
Originally Posted by Zues Marine
i wouldnt do this, it'll just cause more detonation than anything
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I'm running a DOHC EJ22E with 9.4:1 CR.
It isn't even close to detonation but produces more power than the SOHC EJ22E in the midrange while low-end is a little lacking but not as much as before the tune-up with the 0 resistance plugs/wires & maintenance.