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Hey there, it's my first time in a forum, so go easy on me. Lol. I have a forth gen 1989 Honda civic do hatchback, I have the d15b2 engine in it, with a 5 speed tranny, runs great, got at leas 150K on the motor, I plan to keep it for a long time, but I want more power. I already put cold air intake, and after market exhaust system, love it so far. So hears my question, if I already have the d15b2, I want to get another bear block to pump up then swap with ease, and will look the same, and bolt up perfectly. Can I use the d15b7 block? Will it bolt in correctly? Do you have a better suggestion?
Thank you now for any advice.

 
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...No point swapping an eco engine for an eco engine, imo.

Go with a B series or K, if you're going to go through all the work.

However those will need aftermarket mounts, they won't just drop in.

 
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Thank for the advice. I'm looking to have an engine that bolts up perfectly with what I have. I'm going to do lots of work to the extra block I'm getting. I also want it to look the same as the engine stock. Yeah I know about the K20 and others like it is a huge jump, but too many mounting issues. Just can, from your knowledge, the d15b6, or the d16z2 bolt up nice?
Thx

 
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Hello,

Can someone point me to the official TSB 10-048 document? I have the same problem and want to go to small claims court. I want to read the official document but I cannot find it on the web. Any help is appreciated.

Thanks.

 
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This one:

https://www.8thcivic.com/attachments...48-pdf.139330/