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what are the differences between the D15B7 and the D15B8? You said the Z6 head would not work on the B8 because of bent valves, but on the B7 it will yeild more torque and rev easier and higher. Is there that much of a difference between the two engines?

Hey guys, I know you all have a WEALTH of knowledge in the realm of swapping, and building engines. I was wondering if it were possible for one, two, or all of you to post what you know about interchangable parts, as well as quality aftermarket. Basically so what I'm looking for is a...

I will have to listen to it again. It sounds like from the engine. We had someone suggest the fly wheel, but I don't think it's that. It almost sounds like something is loose inside the block. Could be the heat sheild, but I would prolly have noticed that right away. Thanks, if you come up with...

That is true but you can make an educated guess and come pretty close. With 10PSI you should be running around 200HP to the crank depending on tuning. Mathematical theory says it should yield 218HP at sea level. But whether or not it's safe and reliable is a different story. Your best bet would...

what do the A6 rods look like? Are they beefier than the B8 rods? How about the A6 pistons? What CR will it yield? I'm lookin to build my cuzins D15 but know little to nothing about this engine.

My cuzin has a 92 Civic CX with a D15 engine. At around 3500RPM it makes a horrible rattling sound. I'm not certain it's 3500 because I have only listened to it under the hood, but it sounds like about 3500. Anyway it comes on and then goes off really quick, prolly within about a 250-300RPM...

My cuzin recently bought a 92 Civic CX HB and he has the stock D15 engine. I laughed at the diameter of the intake tubing and the TB. He's pushin like 70HP out of that beast, which isn't nearly enough for him. I was thinkin a small turbo, possibly a T25, would give him a little more power and...