What is the difference between the two. They look the same. Can I turn the F22B into a H22A if I swap heads
richardmayes,
Dec 8, 6:01pm
H series has high tech hardened cylinder linings, f series doesn't.
vtecintegra,
Dec 9, 1:46am
As I understand it you can make it work but the head requires some modification (from memory there are extra oil passages in the H that aren't present in the F22)
Not sure it makes sense these days anyway, easier to get the whole H22a
differentthings,
Oct 11, 9:45pm
Yes thanks. Did some googling and 2 oil holes are different and the water pump pulley has to be swapped and a water pipe has to be cut and welded. Plus you end up with a low compression motor 8.5:1 which is ideal if you want to turbo it. Just looking for a parts car but it's got a F22A motor
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