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Thread: S13 rb25

  1. #1
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    S13 rb25

    Hi looking at doing a rb swap on my s13 is there any info out on the swap thanks

  2. #2
    Can't tell the difference cleanhands's Avatar
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    Yes

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    That was helpful thanks

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    Can't tell the difference cleanhands's Avatar
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    Wow, what i tit!!! Me I mean, that was a reply to a text I'd just got. Only came here because the little green arrow meant I'd posted.

    There is a lot of info out there, it's a very common swap. Not done it myself, but I think there are a few permutations on subframes, gearboxes, props etc. There was a wiring diagram on here, have a look for member 'John Bennet' (not 100% sure of spelling)

    Sorry, don't really know much more than that.

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    �������� that's made my day

  6. #6
    Guest ianlea73's Avatar
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    I'm doing the swap but have no experience except for things I've read.
    I've used an R33 front crossmember with an S13 steering rack. I'll need to get a power line made. I'm using s13 power steering pump with the main lines.
    I've read that the arb will need to be lowered to clear the Rb engine sump.
    I'm going to modify my S13 gearbox mount.
    I've got a front facing plenum.
    I'm using an s13 alloy radiator with twin electric fans on the front to draw air through the radiator.
    Propshaft will need to be custom made.
    I'm not using the ecu as I'm going custom link management.
    At the moment I'm using the existing diff but I do want to upgrade to 2 way when my mate sells it.

  7. #7
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    RBed S13s in progress = RBed S13s finished = SRed S13s running = CAed S13s likely to pass their MOT first time next year

    About equal numbers of each.

    If you use the search engine, you will find more info than you could possibly want on ruining a perfectly good CA engined S13 by sticking a big hefty lump of extra cylinders out the front (Just joking ).

    Your first consideration is "Do I have the money ?" - It aint cheap.
    Your second is "Do I have the skills ? " - Its feckin expensive to get someone else to do it for you.
    Your third is "Which RB lump ?" - RB20, RB25, RB26 ? DET or DETT ? - Depends on what you want it for, what you can find and how deep your pockets are.

  8. #8
    Guest Nuts's Avatar
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    I underestimated the work time and money.

    I spent a year collecting bits and a 3 day weekend getting the motor in.

    I don't have allot of free time so now 3 months tidying and finishing. About a day or so a week.

    Plenty of info on Google, not very hard but not the same as dropping another sr in where everything just fits.

    I used a syco mount kit btw





    Sent from my SM-G930F using Tapatalk

  9. #9
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    If you have to ask how you probably can't.

  10. #10
    Guest Nuts's Avatar
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    I disagree better to ask.

    It's not hard just time consuming to do it to a high standard.

    Sent from my SM-G930F using Tapatalk

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