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Discussion Starter #1
Does anyone have the sizes for all/most of the dseries engines? I've got a d15b vtec, and would like SPECIFICALLY to know how
its crankpulley compares to that of an EX.

I read somewhere that the d15b crank is larger.. but would like to know for sure.

thanks.
 

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98 Civic EX
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well there were 2 sizes on the crank snout where the pulley goes on. i have seen both sizes in the D15 motors but only the larger one on the EX and Si (D16), but i've also heard that the JDM ZC motor came with both, but i don't have first hand experience with the ZC motor.
 

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98 Civic EX
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yes i'm sure. i just put a D15B7 motor together and replaced the crank with one from and earlier model, the B7 had the larger A6/Z6 size snout and the earlier crank has the smaller snout. i can measure it and post both sizes later tonight.
 

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Discussion Starter #7
i'm having a feeling the d15b crank is bigger..
cuz i'm getting alittle over 1 psi more boost than i'm supposed
to be getting with the stock JRSC kit...

also i was having problems using non d15b alternators on this motor..
 
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