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Can a CDB ej207 be swapped into a htach ?

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Old 16 November 2019, 11:37 AM
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Flowerz
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Default Can a CDB ej207 be swapped into a htach ?

Hi, as per the title I konw the ej207 with big port heads will fit the hatch, but will the engine be compatible with the hatch ecu ? Obviously I will loose the air pump etc and the avcs on the exhaust side ?

Has anyone done this swap before, or can shed any light ?

Thanks
Old 16 November 2019, 12:50 PM
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MOTORS S GT
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Yes it can be done but not on the std OE Hatch ecu, you will need an aftermarket ecu, & wiring changes from your 2.5 3 pin sensors to 2 pin cam sensors, keep the 2.5 inlet etc.
Old 16 November 2019, 01:05 PM
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stockcar
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also just to be exact none of the newer EJ205/207 motors are CDB but are a Semi-Closed set-up..........

factory CDB motors were only produced approx 1989-1994 - ODB & SCDB blocks can be modified if you know who to ask...........
Old 16 November 2019, 06:34 PM
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Flowerz
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Originally Posted by MOTORS S GT
Yes it can be done but not on the std OE Hatch ecu, you will need an aftermarket ecu, & wiring changes from your 2.5 3 pin sensors to 2 pin cam sensors, keep the 2.5 inlet etc.
From what I seen you can make a 3 pin cam angle sensor fit with the 207 heads ? Retaining the use of a stock 257 ecu ?

Originally Posted by stockcar
also just to be exact none of the newer EJ205/207 motors are CDB but are a Semi-Closed set-up..........

factory CDB motors were only produced approx 1989-1994 - ODB & SCDB blocks can be modified if you know who to ask...........
Yes I am aware of this (I have a few block up the workshop), good info for others tho. I have assembled a few engines now and definitely prefer the thick liners on the old sdb. I have ej20 early legacy (1994 irc) cdb to use in this application. Actually you guys rear trust converted it.
I also have a ej257 I could used to retain the 2.5 but would want it cd converted(it will be going to you). I just fancied using the 2.1 with spec c heads in the hatch

Thanks for the info guys

Last edited by Flowerz; 16 November 2019 at 06:38 PM.
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