I think ppl will prolly laugh at me but I really like the sound of 2.0 turbo.

but seriously I got a couple questions about the Integra blocks vs the 2.0, I'm most likely gonna have it balanced/built with forged rods/pistons either way. I haven't decided if ill use F/I. More than likely I would use a b16 head because I'm probably gonna swap a stock del sol's motor into my civic before I upgrade the block.

I was thinking about it, and what I think would be ideal is a 1.8b block & crank with with some forged copies of 1.8C rods and pistons. maybe that's too much stroke, though? I dont wanna rev it to 11,000 RPMs like I would want to with a 4age or b16. But I do wanna rev to 8ish.

and IV been told the 2.0 blocks aren't as reliable for various reasons, usually when they're turbo'd. But on the other hand I do prefer a squarer engine, if not more bore than stroke. So I like that about the 2.0 block. Besides the pleasant 'ring' "two point O, turbo" has.

thanks Integra ppl

 

B20's are unreliable with boost. The cylinder walls are too weak. But if you're going all motor you might as well get the b20. There is no replacement for displacement, and the b20's are torquey as hell.

 

b20 is the same as an LS b18 just bored from 81mm to 84mm from the factory, the sleeves are thinner, I believe that's what makes them less reliable for boost

 

^^That used to be the case, but in the last few years, there have been some solid numbers coming from stock sleeve B20s. I would trust stock sleeves for a while, but if you're planning to build the bottom end and still want a B20, at least invest the $600 in CSS.

Not the case...there isn't enough material in the 81mm B18 sleeves to overbore to 84mm. The sleeves are entirely different

There is less material between the cylinders, but the stock sleeves are just as thick as any other B series. The sleeve design/configuration makes them slightly more prone to cracking.

https://honda-tech.com/forums/showthread.php?p=23148529

 

I think I saw a picture of a 2.0 being rebuilt the sleeves were overlapping or something.

they're good for n/a though? I wouldn't wanna invest in new rods and high c/r pistons just for my block to crack.

does anyone have a stroked b18? I dont know how this would help or maybe hurt the engine, but it seems like a good idea. That extra millimeter of stroke should make a big difference amiright?

 

ive been street-tuned on my setup for about three years now. was a daily for 2 1/2 years and was a weekend car for the remainder 6 months. bone stock b20z block b16 head w/ gsr cams boosted. SC34 @ 12lbs. rev limit happily bouncing at 8,000 rpm's . i have alot of faith in this stock b20z block i have. although.. i have seen more b20b's than b20z's crack sleeves. Or maybe i just have a factory-freak block. lol

 

That's a good thing to know, thanks yubgkhmer. I'm considering a few diff options but I may get a 2.0 block and leave it stock and boost it. Usually I wouldn't turbo a motor that isn't made for turbo without building it nice and strong, but why not I could probably get a few 2.0 short blocks for the price to build it with forged parts.

the block would probably crack before the stock rods have a problem anyway