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'91 CRX Si
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2,158 Posts
i think the d15b has the larger d16 sized journals... so no, i dont think you can

not 100% positive, but you could easily measure that to find out
 

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racist-bigot-sexist-homophob
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11,892 Posts
The JDM d15b crank has the rod journals of a D16 but the mains of a USDM D15. So If you use a USDM D15 crank in a JDM d15b then you will have to use USDM rods.

Someone pls correct me if I am wrong.
 

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2009 tacoma 4x4
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220 Posts
the d15b crank is unique to its design, using 1.5 diameter main journal widths and 1.6 diameter rod widths.

so, if you wanted to use any other 1.5 crank in the jdm d15b, youd have to use the associated rods with that crank.

i.e-d15z1 crank with its d15z1 rods(137mm)
i.e2-d15b1,2,ect crank with those rods(134mm)
 

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93 ex coupe
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54 Posts
Discussion Starter #9
THANK U,THANK U,THANK U guys now i can continue with my build fully understanding how to do it use the rods with watever crank im using now to lo0k up witch ones will give the most compression ratio
 

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455 Posts
the vtec d15b has 45mm rod journals, all other d15 cranks have 42mm including the vtec-e d15b which is a d15z1 clone. however, all d15b variants (and the d15z1) use 137mm rods while all other d15 engines use 134mm rods.

the PMS piston is pretty much the only oem piston you can use for a high CR build, with the block decked .030
 

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Acura integra
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25 Posts
ok sorry to thread steal but i need to rebuild my bottom end on my jdm d15b.... what motor would i snag parts from? i know its not the d16z6 because the pistons are alittle longer. cananyone help or point me in the direction of the correct thread? thanks guys
 
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