maybe try asking the question over at Mazda626 Forums
I know there are a few members over there with a USDM spec 86/87 model.
I have the AUSDM version which is totally different and probably no help. Its already stickied.
84 626 sedan FE SOHC turbo, FE3 on hold, Toyota E58 conversion under way.
89 626 5 door F2T now with VF34 and MFactory LSD parted - now being made into tomato soup cans
90 323 sedan B6 SOHC Slug-o-matic DD, sold...too slow
84 626 sedan RF diesel, a slug but you get 6.0L/100km (39MPG)
The AutoGuide.com network consists of the largest network of enthusiast-owned enthusiast-operated automotive communities.
AutoGuide.com provides the latest car reviews, auto show coverage, new car prices, and automotive news. The AutoGuide network operates more than 100 automotive forums where our users consult peers for shopping information and advice, and share opinions as a community.