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For almost a year now my good old B20A3 has been sitting in the corner of my garage... and some crazy idea hit me today... just need to know some answers before (if) I start this project.

Has anyone tried to see if the B20A5 or B21A1 head will fit the A3 block? I have the intake manifold for the DOHC head and I was planning on going around to see if I could fit some sort of aftermarket carb on there and bolt it up with DOHC head...
 

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the blocks are identical. but you will need an oil cooler, and the water inlet pipe from an si for all the water hoses for the intake manifold. i have no idea albout a custom carb setup for the DOHC head. try it! and tell us how it goes. and if you need any B20A3 parts i have em.
 
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