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Hi, I would like to know what type of header, intake manifold and cams should I use with a b18c equipped with a drag turbo kit in a second gen integra ? I wan't it to be streetable and reliable and reach the best whp. I also would like to achieve from 1.68 to 1.77 rod ratio. Is that possible or should I use the stock configuration of the engine ??

thanks a lot
 

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To get that rod ratio you will need a 92-93 GSR b17a crankshaft. You can only use from the stock warehouse, a civic si or integra ls or a b17a rod. All are 137 mm long and with the b17a crankshaft you will have a 1.68 rod ratio. You would have to weld on a deck plate if you want to use the Si crankshaft.

The 94-01 GSR, ITR, and CTR rods will not fit on the big end with that crankshaft.

An STR or Zex IM will be good for turbos.

there is no header with a turbo since the turbo sits where the header is.

there are high end turbo exhaust manifolds like Hytech's sequentially paired unique turbo exhaust: kaching kaching...lotsa of cash needed though...

Jun 2, Crane turbo, or GSR intake and ITR exhaust cams are fine.
 
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