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problem putting neo in r33 s1

hi all i have dropped a neo into my r33 s1 but cant get it to fire compression is great engine cranks i have spark i can hear the fuel pump prime when i remove cas and spin it by hand i hear the injectors click i am using a s2 engine loom and tried multiple s1 and s2 ECUs i have swapped vct plug and repinned the cas plug in opposite order i bought the engine as a s2 rb25 but after closer inspection it seems to be a neo with a s2 intake manifold/throttle body/hot side. any1 got any ideas?

Sorry i cant help but it Could just be late model r33 25 they did come with a neo cas

It has the black neo cas ! neo timing belt cover and a neo vct solinoid coil packs are neo and mounted like a neo with no brackets

Which CAS do you have - R33 is metal with Mitsubishi logo Neo is Plastic Hitachi unit. And what injectors are you using?

Black cas

Look like standerd s2 injectors

Edited by Heyojaybo
  • 2 weeks later...

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