MadTown

I am trying to figure out when head I have on my car. Pretty sure its a USDM head on a JDM block.

USDM head- P13 HF 1
JDM- PDE-1 HF 1
Euro-PDE-1

I need to get to the bottom of this, but there is a mystery when I research this topic.

If you have a full JDM H22 swap, what is your head code?

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merlinbadman

P13 head = H22a1, H22a2, H22a4, H22a5, H22a8, All H22a (excluding Type-S & S-SPEC)
P5P head = H22a (Type-S & S-SPEC)
PDE Head = H22a7 (Accord Type-R)

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UKDM RHD 2000 2.2 VTi 4WS BB8 H22a8 - JDM RHD 1993 2.2 SI VTEC 2WS BB4 H22a2 engine swap

MadTown

Thanks for the response dude.

I have a H22a block with a P13 HF-1 head on it. The guy who sold me the car also sold me a different head with the car (very long story) The head he gave me is a PDE HF-1 head with blue cams. So, does this mean I have a JDM h22a with a USDM head on it right now?

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merlinbadman

The PDE head was not available on any H22 other than the H22a7 ATR/Euro-R. But it could be the head from an H23 VTEC, not too sure as I dont have any experience of the H23 VTEC or ever wanted to research it. The more agressive cams found in the Type-S/S-SPEC, H22a8 and H22a7 do have a blue tint to them. Sounds like scored some good parts though .

I would think that your P13 head is the original head that came with the block. All regions got the p13 head.

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UKDM RHD 2000 2.2 VTi 4WS BB8 H22a8 - JDM RHD 1993 2.2 SI VTEC 2WS BB4 H22a2 engine swap