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Rd28 Diesel Block?

R_B_Boy

By R_B_Boy,
in Engines & Forced Induction

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R_B_Boy Apprentice

R_B_Boy

Posted
Posted (edited)

Hi,

It stated on wikipedia that the Nissan RD28 Diesel engine is very similar to an rb block, but obviously diesel and single-cam. And that some ppl have used a custom head to convert to standard petrol.

Does anyone know if a RB Head will bolt on to a RD28 block?

If it does, then wouldn't it be a good option? aren't diesel blocks usually stronger?

Nissan RD28 Diesel

Bore: 85mm (guessing you would bore it out to 86mm if you have to)

Stroke: 83mm

l_img_null24290.jpg

Edited by R_B_Boy
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Beer Baron Grand Master

Beer Baron

Posted
Posted
Isn't it better that a rb30?

RD28 - Stroke: 83.0 mm

RB26 - Stroke: 73.7 mm

RB30 - Stroke: 85.0 mm

lol, personally I wouldn't want an 85mm stroke either. but you do have a point about it comparing favourably to a 30 crank and rods in that respect.

I have no idea if this thing is feasible for a performance application though, and also not sure how comon they are?

Sydneykid Grand Master

Sydneykid

Posted
Posted

Old news, very old news. Simply put there is ZERO advantage over an RB30 bottom end. No stronger, DET cylinder head doesn't bolt straight on, water and oil galleries are different, as is water pump and oil pump etc etc.

I see nothing wrong with an 85 mm stroke and 86 mm bore (as in RB30), that's a pretty "square" engine (bore = stroke). Same as a BMW 3 litre 6 (as in M3) or a Toyota 2JZ. Neither of which are exactly bad engines. And of course an SR20 is 86 x 86 as well.

:P cheers ;)

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