80172, RE: 4g63 ---> 420a turbo manifold adapter plate Posted by thedawg, Dec-31-69 06:00 PM
Why don't you just swap in the whole 4g63? It's an easy swap, fitment's no big deal.
Here's the writeup: http://evilboost.com/swaps.asp (Edit: Link only works for IE because the author is an idiot, sorry.)
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