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Showing results for tags '25 neo'.
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RB25DET Neo into a R33 Gtst with 33 box Hey Guys, My mate and I have just finished converting his R33 GTST to a RB25 Det Neo, so I thought Id doc the process and what we used of each car Block, head, sump is all Neo Inlet manifold is s1 with a cut n shut top half including throttlebody exhaust manifold is aftermarket from the s1 enginemounts, we used the R33 ones but neo are the same alternator, power steer, A/C are all s1 including the brackets thermostat housing we used the 33 s1 part so we could use the same bottom hose but if u use the neo housing then just use a neo bottom hose coilpacks we used the s1 packs as their only a few months old but they do not fit in the head valley so we made a bracket and mounted them elsewhere WIRING CHANGES vct plug needs swapping to a neo one or EV1 injector plug I beleive is the same CAS wires need to be swaped...ie 1234 becomes 4321 thats it....because we used r33 stuff everything else stayed the same pics to come
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