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Dil-Dog

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Posts posted by Dil-Dog

    R34 GTT not starting

    in RB Series - R31, R32, R33, R34 (1986-2002)

    Posted

    On 8/26/2019 at 11:31 AM, JdonR34 said:

    Okay I drove my car up to Walmart the other day and when I went to leave it won't do anything I have tried to engage the starter but got nothing the power is on and everything comes on but will not engage, or even sound like its engaging, ordering new starter but what could it be otherwise. map censor idk please help 

    Hey bro can you tell me what the part number is for the stater motor? is it the same as series 2? or are the neo's different 

    Rb25- Mating the Engine to Transmission?

    in RB Series - R31, R32, R33, R34 (1986-2002)

    Posted

    So my mechanic and i was wondering if its possible to put back the rb25 engine in my R34 Skyline with the transmission still in the car... Asking because to drop the transmission is alot of extra work and we wanna know if they can be mated together when they are both in the car. I cant find any example or video on any forum or on youtube... only seeing guys who mate them out the car and THEN put it back in all at once. If anyone has done this before please let us know! Thanks

    -Dylan 

    Doing a +t conversion on an unopened RB25DE NEO (R34 GT)

    in Naturally Aspirated Performance

    Posted

    Hello everyone

    HELP

     i am currently converting my r34 GT rb25de NEO to now become turbo charged....now i have a couple of questions for you guys that i hope you can help me with. 

    #1 Is it possible to use a complete stock r33 turbo intake? or a fredyy/greddy? ( I HAVE BOTH)

    #2 Can it be done using stock NA/DE engine Harness?

    Lastly i Have  a Turbo R34 GTT Ecu to run it all.

    THANKS! ADVICE IS URGENTLY NEEDED

    N/a+t Power Results - N/a +t Turbo Conversions Only

    in Naturally Aspirated Performance

    Posted

    Hello everyone

    HELP

     i am currently converting my r34 GT rb25de NEO to now become turbo charged....now i have a couple of questions for you guys that i hope you can help me with. 

    #1 Is it possible to use a complete stock r33 turbo intake? or a fredyy/greddy? ( I HAVE BOTH)

    #2 Can it be done using stock NA/DE engine Harness?

    Lastly i Have  a Turbo R34 GTT Ecu to run it all.

    THANKS! ADVICE IS URGENTLY NEEDED

    How to turbo your N/A

    in Naturally Aspirated Performance

    Posted

    Hello everyone

    HELP

     i am currently converting my r34 GT rb25de NEO to now become turbo charged....now i have a couple of questions for you guys that i hope you can help me with. 

    #1 Is it possible to use a complete stock r33 turbo intake? or a fredyy/greddy? ( I HAVE BOTH)

    #2 Can it be done using stock NA/DE engine Harness?

    Lastly i Have  a Turbo R34 GTT Ecu to run it all.

    THANKS! ADVICE IS URGENTLY NEEDED

    rb25DE NEO with DET NEO pistons? Conversion build.

    in RB Series - R31, R32, R33, R34 (1986-2002)

    Posted

    @NEO25T wow bro that is really beautiful,  so did a cnc machine "port" your head to the bigger DET holes? what coil packs are you running? is that timing belt cover from a series 2, because it looks like the steel ones and not the plastic NEO ones? and LASTLY, for you catch can, what the fittings you used to fit in the standard holes in the valve covers? i know its AN but can you explain how you made it work, i would like to do the same as well

     

    rb25DE NEO with DET NEO pistons? Conversion build.

    in RB Series - R31, R32, R33, R34 (1986-2002)

    Posted · Edited by Dil-Dog

    12 hours ago, NEO25T said:

    Ive just assembled a grenade so to speak, rb25de neo.

    From what i could see,

    De neo oil pump has shorter relief valve springs by about 10mm but rest of the pump looks the same as det neo.

    De neo rods look to be the same as hydro 25.

    De neo pistons have a slightly longer skirt and a little extra volume in the dome but pin height is the same as det neo.

    De neo block has no oil squirters, oil feed and return has to be drilled.

    De neo cylinder head uses same size valves and lifters as det neo, exhaust ports look to be same size, inlet can be ported out to det size  behind the valves and up the divider however where the intake manifold bolts on will get fairly thin in places and wont match 100% without welding and grinding, but does still fit nice enough for a low buck build.

    I used det oil pump springs, gtr rods, arp head studs, supertech valve springs, tomei type b poncams, standard rings measured .014" top .018" second so back in they went.

    Probably limit boost to 2 bar and see how she goes

     

     @NEO25T Hey bro thanks for the reply, its nice to see someone else has gone through the same journey i am doing right now,

    so .... what you are saying is that the DE neo pistons are larger/taller than the DET neo pistons and that is what makes up the difference is compression ratios between DET and DE neo's? I am still very keen on using CP forged DET NEO pistons, but before i order i must be 100% certain that i wouldnt run into any valve clearance issues with the DE neo Head. but from what i am hearing and reading, they are the same dome size only the intake ports are smaller and shouldnt have issues hopefully.

    Lastly, for your build, what intake plenum did you use? a series 2 r33 det, or r34 det neo, or the DE neo "y" intake that it came with? Thanks alot 

    rb25DE NEO with DET NEO pistons? Conversion build.

    in RB Series - R31, R32, R33, R34 (1986-2002)

    Posted · Edited by Dil-Dog
    spelling mistakes and missing words

    @GTSBoy okay so i been doing research on RB connecting rods and from i have been hearing people say in the forums is that they are the same with the overall height of 121.5mm  AND  from what you can buy online, all the aftermarket brands of connecting rods mention that they are both compatible for 25 and rb26. so that would mean that the difference in Compression and Valve clearance between neo's series 2's and rb26's  must not be from the Rod height but rather the smaller NEO head's dome cc and Pistons. .... what do you think bro?

    rb25DE NEO with DET NEO pistons? Conversion build.

    in RB Series - R31, R32, R33, R34 (1986-2002)

    Posted

    @GTSBoy wow bro thanks for that insight, i didnt even think of that! what i will do now is pull the pistons form th de neo and the series 2, take pictures and measurements of them side by side and post them here soon.

    @KiwiRS4T i was actually planning to do that after i realized i was scammed how ever the engine's wiring harness and ecu harness will not match the R34's due to the fact that the r34 is only compatible with NEO's

    rb25DE NEO with DET NEO pistons? Conversion build.

    in RB Series - R31, R32, R33, R34 (1986-2002)

    Posted

    56 minutes ago, zoidbergmerc said:

    Yeah they'll fit...
     

    You'd be better off getting a turbo motor though, cylinder heads are much better.

    Or if you want to cheap out, just run a NA neo on ethanol and run all the boost!

    Hey bro, thanks for the confirmation. the real story is... i bought a "neo DET" to replace my NEO de naturally aspirated but i basically got scammed once the engine was delivered to me because it wasnt actually NEO but rather a late series 2 possibly a series 3 that has the plastic hitachi CAS sensor and basically now i am swapping over all the parts. kind of a frankenstien build really. 

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