I'm working on a 99 Civic Si build that currently has a D16 SOHC engine - before you tell me I'm wrong, in Canada this engine was an option in the Si. I'd much rather have a B16 DOHC engine and was wondering if the two engines use the same block. If they do, I don't need to worry about finding a donor car to do an engine swap, I can just build up the motor I've got and replace the top end.

Any comments or anything I'm overlooking?

Thanks, guys....

 

only d series to ever run dohc was the d16a1 was in the 87 integra. i no for a fact the canadian em1's were only stock with y8's ppl with dohc vtec look down on sohc vtec's but its sad. the sohc n dohc omost produce the same amount of torque. it cost money to build a bottom end up but there are many bolt ones u can do the top end n it will exceed a stock dohc forsure.

 

to be able to put a dohc into you civic you will need alot more than just a b16 motor, you will also need shift linkages, mounts, trans, ecu, exhaust mani, intake mani, and some extra wire to wire vtec up.

as mentioned above you can find a older model integra and get the zc dohc head and put it onto your sohc block its the only dohc head that will fit on a sohc block.

 

my d16y8 screams and i love it, id keep it if i were you

 

Thanks for the advice guys. My original plan - if I could have just swapped the top end - was to build my d16 motor into a b16, then build from there. What I'm looking at is a strong street car that I'll also be using for some days at the drag strip. That being said, I doubt my d16 is going to give me the hp or torque I'm going to want, even with a turbo or spray.

I'm looking into swapping in a 1.8 vtec out of an Integra or a 2.4 vtec from an Accord, but I realize those are going to be a lot more work. If anyone has or knows someone whose done one of these swaps and can give me some "do's and don'ts" that would be appreciated

Thanks again, guys

 

is there any engine out there that will bolt in where a d16y8 was? i have a 2000 civic ex and im having a hard time finding a replacement d16y8. any info would be greatly appreciated