Hi guys, i'm really confused. I have just purchased a 97' honda prelude and i found out that the engine is a h22a1. I have searched through google and some sites have said h22a1 is in 97-98 preludes and it is (bb6) and there is another h22a1 for 92-96 prelude vtecs. Please help me here.
if you have a '97+ it should be a h22a4.. unless the previous owner did a motor swap with an older h22a, which would have the h22a1 code. Or, it could be a jdm h22 swap, then would be marked h22a.
wow, that's weird how the old owner swapped it to an older engine, what do think was the reason for this? and will my car's odometer not be accurate then?
niice.. yeah i got my prelude, first car, about 3 yrs ago... still in love.. Welcome to the site man.. Post up in the intro forum so we all can get to know you.
the main diffence from h22a1 and h22a4 is h22a1 is close deck but is a stonger block and it has the manual tensioner for the time belt as to h22a4 is the weaker block. the pistons are coated with some type of cemical so it;s not abrasive to the cylinder walls and has the auto tensioner for the time belt which has fail causing the time belt go loose. best case if u go boost the 92-96 h22a1 is the ideal block. and if ur going all motor get the manual tentioner swap from a later modle h22.hope that gives you mor info about that.
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