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i have 2 bare rb30 blocks, one from r31 other from vl

i notice skyline block is heavy than the vl one

skyline 62.1 kg

vl 57.2kg

from digital scale

would the skyline block have more meat ?

Edited by chairman
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both 100% rb30

even have the single cam heads to be 100%

:)

i did here skyline were made from better cast iron and vl cheaper but dont know

I believe you but RB20 did come in Single cam and looks the exact same ;)

Moreso you should go by the Cast of "RB30" on the side of the block and the engine number.

afaik the a6 was just so you know its not an a8 (vlt) block. seeing as all 31s were NA (with 1 exception) there was no need for the number anymore?

edit: OP, does the VL block have the machined section where the tensioner relocation goes?

Edited by JonnoHR31

afaik the a6 was just so you know its not an a8 (vlt) block. seeing as all 31s were NA (with 1 exception) there was no need for the number anymore?

edit: OP, does the VL block have the machined section where the tensioner relocation goes?

What exception is that?

Sure it was a 30? And factory turbocharged?

yer thats the one i was talking about and yes its a factory 30e+t high comp motor from memory.

it definately sounds like a s2 block then, which means it cant be some early production block that for whatever reason was lacking somewhere.

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