when your doing the engine swap what are the very crucial parts taht you need to get to get the car working? are there any helpful tips that may make my life alot easier? i know you need the engine harness and the dash harness but what aobut the throttle cable? i have a 01 impreza and ive heard you need a longer throttle cable? Any and all help would be gratedful... trying to get all my pricing right so i can slap this thing together thanks!

 

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well the problem im having now is i need to get new harness and everything from a wrx. Does anyone know the part numbers for the harnesses i need for the complete swap? i believe that its the engine harness and the under dash harness.

 

After acquiring the wrx's engine to ip-ecm main bulk wiring, a service manual will prevent you from prematurely aging when figuring out the circiutry. Its not really that bad. Use the WRX throttle cable. When removing the wiring from the 'donor' car see to it that you acquire its entirety. Avoid cutting to much and if you do, label them. Pay a lot of attention when wiring the fuel pump relay section- theres a lot of difference between the two- good luck!
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What you need.....engine, 91-94 turbo legacy crossmember for proper fit, wrx fuel pump or walbro high flow, bulkhead harness (the one that goes from the ecu to the engine connectors), dash harness, fuel pump controller. You will not need a longer throttle cable cause all you need to do is modify the wrx's throttle bracket. Make sure you get wiring schematics for both cars. Anymore questions, let me know cause I just did my swap and it was challenging.

 

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