Comments on: b18a1 swap http://madnessmanual.com/2007/12/14/b18a1-swap/ Zen and the Art of reverse automotive engineering Sat, 19 Jul 2008 15:32:26 +0000 http://wordpress.org/?v=MU By: Chu http://madnessmanual.com/2007/12/14/b18a1-swap/#comment-382 Chu Sat, 12 Jul 2008 04:38:04 +0000 http://projectcrx.wordpress.com/2007/12/14/b18a1-swap/#comment-382 I have a question, I did a b18b (obd1) swapped into a 89 CRX DX. Everything is wired up correctly and getting fuel to all 4 injectors, but no spark. I am using the oBD1 distributor, but hell I might as well be color blind too cause matching the colors on harness to dizzy is not working. Do you have a dizzy pinout for a OBD0 and OBD1 distributor? I have a question, I did a b18b (obd1) swapped into a 89 CRX DX. Everything is wired up correctly and getting fuel to all 4 injectors, but no spark. I am using the oBD1 distributor, but hell I might as well be color blind too cause matching the colors on harness to dizzy is not working. Do you have a dizzy pinout for a OBD0 and OBD1 distributor?

]]> By: J!MMY http://madnessmanual.com/2007/12/14/b18a1-swap/#comment-300 J!MMY Mon, 19 May 2008 07:44:38 +0000 http://projectcrx.wordpress.com/2007/12/14/b18a1-swap/#comment-300 ya i think its obd0 it says(37820-pr4-A10) on the ecu. I pluging in the ecu it plugged in great it even ran my d15b2 like you said it would and didnt even cut out reved up great. the only thing that didnt work good is how it bolted down didnt fit but all i got to do is spin the ecu aroung 180 degrees and move the plugs to the other side so it will bolt in. Next i got to get either 90-92 crx/civic dx or the Acura Integra steering knuckles for the cv axles to fit, becouse the hf are smaller splined thats what i read on some forum and i tried putting the tegs cv joint in the dx and it worked didnt have time to try it in the hf but pretty sure it wont fit. Now all i need to do the swap is wait on my motor mounts, shift linkage, new cv axles and possibly dx or integra knuckles. Ya i can go ahead and take pics of the ecu and harness and how to bolt it in. But im still waiting on my mounts and shift linkage so it might be a while B4 i get to accually get to put the motor in, But i will take lots of pictures and post them when i do. Thanks ya i think its obd0 it says(37820-pr4-A10) on the ecu. I pluging in the ecu it plugged in great it even ran my d15b2 like you said it would and didnt even cut out reved up great. the only thing that didnt work good is how it bolted down didnt fit but all i got to do is spin the ecu aroung 180 degrees and move the plugs to the other side so it will bolt in. Next i got to get either 90-92 crx/civic dx or the Acura Integra steering knuckles for the cv axles to fit, becouse the hf are smaller splined thats what i read on some forum and i tried putting the tegs cv joint in the dx and it worked didnt have time to try it in the hf but pretty sure it wont fit. Now all i need to do the swap is wait on my motor mounts, shift linkage, new cv axles and possibly dx or integra knuckles. Ya i can go ahead and take pics of the ecu and harness and how to bolt it in. But im still waiting on my mounts and shift linkage so it might be a while B4 i get to accually get to put the motor in, But i will take lots of pictures and post them when i do. Thanks

]]> By: Mad Scientist http://madnessmanual.com/2007/12/14/b18a1-swap/#comment-298 Mad Scientist Sat, 17 May 2008 20:56:16 +0000 http://projectcrx.wordpress.com/2007/12/14/b18a1-swap/#comment-298 Jimmy, That's a great question. The HF and Si wiring harnesses should be interchangeable since both are obd0 mpfi harnesses. The b18a1 ecu WILL plug in directly without modification. You could actually run your d15 on the b18a1 ecu, but it would run pretty badly. Make sure the b18a1 is an obd0 version, not the obd1. The 90-91 was obd0, the 92-93 was obd1, and after that the b18b was introduced to replace the b18a1. Make sure you take lots of pictures! Jimmy,

That’s a great question. The HF and Si wiring harnesses should be interchangeable since both are obd0 mpfi harnesses. The b18a1 ecu WILL plug in directly without modification. You could actually run your d15 on the b18a1 ecu, but it would run pretty badly.

Make sure the b18a1 is an obd0 version, not the obd1. The 90-91 was obd0, the 92-93 was obd1, and after that the b18b was introduced to replace the b18a1. Make sure you take lots of pictures!

]]> By: J!MMY http://madnessmanual.com/2007/12/14/b18a1-swap/#comment-294 J!MMY Sat, 17 May 2008 07:08:50 +0000 http://projectcrx.wordpress.com/2007/12/14/b18a1-swap/#comment-294 do i still have to get the CRX Si Engine Wiring Harness if i got a 1990 crx hf. also will the b18a1 ecu plug straight into the hf without any wiring or do i still have to wire a little? Thanks lots. and great write up helped me alot. do i still have to get the CRX Si Engine Wiring Harness if i got a 1990 crx hf. also will the b18a1 ecu plug straight into the hf without any wiring or do i still have to wire a little? Thanks lots. and great write up helped me alot.

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