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| Let's get Technical! Discussion for hardcore in-depth motor heads! |
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#1
05-12-2004, 11:03 AM
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Out with the F20A4 in with the H22A
I have a 4th Gen UK Prelude with the Honda F20A4 engine, I'm looking at sticking in an H22A engine (From another 4th Gen UK Prelude) - Has anyone done the same sort of thing??
What do I need to change? What do I need to add? I've been told it's pretty simple, change the engine, use the same loom but use the ECU from the VTEC model and add 4 wires - Any ideas? 
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#3
05-13-2004, 03:52 AM
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Re: Out with the F20A4 in with the H22A
I've heard the f20 to h22 is a little more complicated. Your thinking of the h23 to h22 which is relatively simple.
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#4
05-13-2004, 06:42 AM
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Re: Out with the F20A4 in with the H22A
That all depends - The F20A4 engine (In the UK and Europe) is a 2.0 SOHC, with the same footprint as the H22A.
The wiring loom is the same (In fact, the wiring is there for everything, from looking at the Prelude FAQ for this it I have that connector for the VTEC). From looking at it the only I'd have to change is the flanges on my exhaust so that it connects to the H22A downpipe.
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