d seris blocks the same?

D15, D16, D17 and Mini-Me swaps
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d seris blocks the same?

By 93civicgsr
- Thu Apr 30, 2009 4:23 pm #114147 ok i i have a d16z6 and a d15b6 can i take all the internals and the head off my z6 and use them in the b6? but still use the b6 crank? :?



kinda stuck on gettin my car runnin till i can figure this out
please help any and all help will be much appreciated
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By d-mon
- Thu Apr 30, 2009 5:42 pm #114160 why not just use the Z6?
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By drago742gtr
- Thu Apr 30, 2009 5:43 pm #114161 i know the d15 crank wont fit in the z6 so maybe its also true for the other way around im not to sure tho maybe some one else has some more info
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By 93civicgsr
- Thu Apr 30, 2009 5:48 pm #114163 in my z6 the third cylinder wall is all scratched up and my crank its all chewed up due to a fuckin bearing but i wanna use the d15b6 crank and all my z6 internals in the d15b6 block?
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Re: d seris blocks the same?

By teal_dx
- Thu Apr 30, 2009 6:46 pm #114173
93civicgsr wrote:ok i i have a d16z6 and a d15b6 can i take all the internals and the head off my z6 and use them in the b6? but still use the b6 crank? :?


http://civic-eg.com/viewtopic.php?t=171
you can see there that they are pretty much different. While the z6 head will bolt up to the d15b6 block, the z6 internals won't be the same because the motors have different stroke lengths.

I'd put the z6 head on the d15b6 (assuming all the passages line up) and run that setup. In the meantime look for another z6 bottom end, even to build up if you plan on going that route.
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By 93civicgsr
- Thu Apr 30, 2009 6:54 pm #114176 im sendin my z6 block to a shop and gettin it bored out and if i use my z6 head on the b6 internals i think my valves r gonna hit the piston :? so i think id have to use my z6 pistons for the clearnce anyway idk what to do am i fucked either way? and im on a super strict budget
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By d-mon
- Fri May 01, 2009 3:00 pm #114339 the crankshafts are different from d15's and d16's.
d15 cranks have shorter stroke (that's why they're d15 insted of d16)
also they have smaller main journals, and use shorter connecting rods.
you are better off replacing the Z6 crank, and whatever other damaged Z6 parts than trying to make the d15b6 (62bhp @ 4500rpm) work
or maybe just find another d-series long block
d15b6 specs:
http://www.jdmenginesamurai.com/engines ... _d15b6.htm
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By Classiccarsrule85
- Fri May 01, 2009 10:20 pm #114396 I beleive it would be alot of machining to do something like this but i think you could use dont quote me but i think its possible to use the z6 crank with d15 rods and 1.6 pistons or you could just use 1.6. pistons or you could just go about doing a mini me head swap which would be so much easier....
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By d-mon
- Sat May 02, 2009 4:06 am #114433 you cannot use a d16 crank in a d15, for the 2 reasons i posted.
1-stroke is too long, pistons would stick out of the block.
2-main journals are too big, crank won't fit in the block. then there's the oil pump

you cannot use D15 rods on the d16 crank because the rod journals are larger than the 'big end' of the d15 rod.

the d15b6 gets whopping 62bhp@ 4500 rpm. (fail)
a stock d15b7 makes more power and can be used for a mini-me with your z6 head.
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