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how to increase 5efhe's bhp?


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as said in the topic how to do it?

the mods i hv are:

4efte throttle

4efte injectors

4efte fuel rail

4efe MA-5960 ecu (sadly mine didnt came with 5efhe ecu)

corolla 100 dual core radiator

4efe fuel pump

and everything stock from 5efhe engine

going to do 2.25inch exhaust and decat it.

My plan is to go turbo but before that want to drive it as fastest na.any suggestion mates?

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Raise the compression, raise the rev limiter. Don't touch the cylinder head though, the ports are already way too large as it is, I dare to say you will even gain power if you made the ports smaller due to the increase in velocity so get better cylinder filling.



Depends on your budget really though, could go ITB's, change the cams, change pistons etc.


Edited by AdamB
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