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Rb30/35

passin ewe

By passin ewe,
in Engines & Forced Induction

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passin ewe Proficient

passin ewe

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I want to do the Rb30/25 in my Datsun C210 Skyline . I have been reading the threads about this hybrid and just want abdolute convincing that I can use the stock non turbo RB30E block and put the RB25 DE on then add turbo manifolds, Are there some turbo oil lines that are suppose to return oil to the sump, and if so how do they attach? would like to see some pics if possible. Excuse my noobieness but I've only ever run carbs and i'm out of my zone. I have a block on offer to me and would like to buy it soon if usable.Ricky

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R31Nismoid Grand Master

R31Nismoid

Posted
Posted
I want to do the Rb30/25 in my Datsun C210 Skyline . I have been reading the threads about this hybrid and just want abdolute convincing that I can use the stock non turbo RB30E block and put the RB25 DE on then add turbo manifolds, Are there some turbo oil lines that are suppose to return oil to the sump, and if so how do they attach? would like to see some pics if possible. Excuse my noobieness but I've only ever run carbs and i'm out of my zone. I have a block on offer to me and would like to buy it soon if usable.Ricky

just read the RB30 forum, all of it is covered.

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The Dan Grand Master

The Dan

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Not all RB30's are the same.

You need to make sure the block has the machined surface for the idler bearing and at the bottom of the block surface half way along it has to have the bung there for the turbo oil drain.

The idler bearing is right next to where the tensioner is positioned on the 30 engine. It will just be a flat surface, with a 10mm hole and a 1.5 thread in it. This is where you'll need to put the idler bearing

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