Ok so according to the engine list sticky, the f22a1, f22a4 and f22a6 engines are all 2.2 liters with an 8.8:1 compression ratio with the difference being how much power they make and in what RPM range. So if these engines are nearly identical then what can be used to tell the difference between them? Is there a mark on the block somewhere that designates which engine it is?
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1993 Honda Accord LX 2004-2009
1996 Honda Civic LX 2009-2012
2012 Kia Optima LX 2012-2013
2010 Honda Accord EX-L V6 2013-2018
2007 Honda Fit Sport 2017-2017
2018 Honda Accord EX-L 2.0T 2018-20XX
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Searching is the key!
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And thus cannot be said in the beginners section.Originally posted by F20A CB7
1993 Honda Accord LX 2004-2009
1996 Honda Civic LX 2009-2012
2012 Kia Optima LX 2012-2013
2010 Honda Accord EX-L V6 2013-2018
2007 Honda Fit Sport 2017-2017
2018 Honda Accord EX-L 2.0T 2018-20XX
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Yes. On all Honda 4-cylinders since the 80's or so, the block is stamped to the left of the exhaust header, just under the water neck.Originally posted by Ghetto_Accord
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Thanks a lot. That helped a bunch.Originally posted by CamuraiYes. On all Honda 4-cylinders since the 80's or so, the block is stamped to the left of the exhaust header, just under the water neck.
@DarkShadow707: That link is the one I was referring to and i could not find any info ab out how to IDENTIFY the engines. Thanks anyway though.Comment
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F22A4 is identical to the F22A1 other than the exhaust manifold (which is a tubular header on the A4). It provides an additional 5hp. Everything else, even the pt3 ECU, is the same.
The F22A6 has a cast iron exhaust manifold like the F22A1, but it's still a better design. It has an intake manifold with an IAB system (dual runners with butterflies that open at highr RPM). It also has a wilder cam, stiffer valvesprings, and a PT6 ECU with different programming (and control for the IAB). Those things give an extra 15hp over the F22A1.
And as said above, you can identify the blocks by the stamp... or, once you know what you're looking at, by the parts attached to the motor.
The insides of the motors are all the same (unless you count the springs, whcih aren't that big of a deal). That means you can take the A6 parts and put them on an A1 for more power.
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