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RB26 block serial numbers...

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  • RB26 block serial numbers...

    hey guys , spun a rod bearing and pulled my motor - I am pretty sure it is an R34 motor that was put into my R32, anyway Iv tried to find a block serial number like mine and I cant, My block is stamped "RB26 704416X with an R directly above the X" I found one bit of info on skylines Australia that stated the following :

    X and then a R above is definitely a R34 Nur engine, these engine's are build by Nissan Motorsport and have the following specs in stead of the STD Rb26:
    - R34 NUR cams little different then STD R34
    - N1 block (24U)
    - N1 piston rings
    - piston + conrods weight balanced
    - crankshaft weight balanced
    - Nismo F112 bearings main + conrod
    - N1 oil pump
    - N1 water pump

    The part I cant figure out is my block is definitely stamped 05U as a standard block...

    anyone with some knowledge I would love to hear from you.. lol

    picture of my block number
    Last edited by Shane_Sawatzki; 02-21-2015, 03:16 PM.
    1992 Dark Blue Pearl Skyline GTR - 457 rwhp, 404 tq @ 19 psi , chevron 94.
    1991 Gunmetal GTS4 - SOLD

    Originally posted by dah_hunter
    i wait till the lights yellow.. or i lean far and go.. thats what BOOOOST if for..
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