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Forum: Experiments, Modifications and DIY

03-29-2008, 11:49 AM

Replies: 13

CRX HF '91 Federal ECU in '88 CA?

Views: 5,346

Posted By FritzR

Tell me your results when you get done! I think...

Tell me your results when you get done! I think the main difference between the fed and the CA hf is the ecu causes the car to run better at low rpms and that the fed has a shift light. I don't think...

Forum: Experiments, Modifications and DIY

02-13-2008, 04:13 PM

Replies: 13

CRX HF '91 Federal ECU in '88 CA?

Views: 5,346

Posted By FritzR

https://www.autos.msn.com I had thought...

https://www.autos.msn.com

I had thought that the 90-91 had 70 HP but I checked autos.msn.com and they still were 62 so no difference there. This experiment will have to be postponed until the...

Forum: Experiments, Modifications and DIY

02-01-2008, 08:29 AM

Replies: 13

CRX HF '91 Federal ECU in '88 CA?

Views: 5,346

Posted By FritzR

37820-PM8-L020 = CA version 37820-PM8-A030 =...

37820-PM8-L020 = CA version
37820-PM8-A030 = Federal Version

As for the difference in MPG it is a little too soon to tell. It seems a little better but I need a couple of full tanks to prove it....

Forum: Experiments, Modifications and DIY

01-21-2008, 12:42 PM

Replies: 13

CRX HF '91 Federal ECU in '88 CA?

Views: 5,346

Posted By FritzR

Well maybe this thread should be moved to general...

Well maybe this thread should be moved to general as this is not a scientific test but:

I got my wheels alligned only a tank ago but it doesn't seem to have made a difference. I just did it...

Forum: Experiments, Modifications and DIY

01-18-2008, 12:16 PM

Replies: 13

CRX HF '91 Federal ECU in '88 CA?

Views: 5,346

Posted By FritzR

This is why I'm going to do this test. I figure...

This is why I'm going to do this test. I figure something must be different in the ECU for CA to require it's own version for emissions reasons. Pretty much all honda engines prior to this were lean...

Forum: Experiments, Modifications and DIY

01-17-2008, 01:03 PM

Replies: 13

CRX HF '91 Federal ECU in '88 CA?

Views: 5,346

Posted By FritzR

CRX HF '91 Federal ECU in '88 CA?

I picked up a 91 Federal HF ECU for $33 shipped off fleabay.

It looks like the engines are the same, injectors, oxygen sensor, camshaft etc. Do you think this alone would push the HP from 62 to...

Showing results 1 to 6 of 6

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