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Honda
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22 Posts
Discussion Starter #1
I'm wondering if a d17a2 Vtec head will bolt up and work properly on my D16y8 block.? All help is appreciated..
 

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93 Civic HB SI
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511 Posts
Nothing is impossible with the right amount of money, but that head on that block do not work together. Too many things are different between the D15/16 block/head compared to the D17 block/head. The D17 is practically an entirely different engine, although it does share some internal engine geometry characteristics with the D15/16 series engines, that's about it.

This winds up in the same category as trying to say the B21A1 from the 3rd gen preludes is similar to the better known B16/18/20 engines that we all know. The B21 shares almost nothing with the more well known OBD1 honda engines, even though it is technically a "B" series engine.
 

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97 Del Sol
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54 Posts
They are note 100% incompatible, but using anything but minor external parts probably isn't going to work. For example I managed to get a D17 evap purge valve to work with my D16.
 

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Never finishes (TWSS)
91 Civic SI hb
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1,891 Posts
You can use the d17 crank, rods, pistons, oil pump and timing gear in your y8 block.

the d17 block/head are not the same as the d16 block/head. So you cant use one on the other or viceversa

Why use a d17 head, when there are d16/d15 heads out there?
 
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