Sounds like an awesome project (I <3 13B-RE's). That rust definitely sucks, but looks fixable. My FC is probably 15-25% rust
Good luck!
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-Ted
-1986 Mazda RX7 Sport [DD/beater]: engine finally let go at 205k. parts car status.
-1986 Mazda RX7 base [resto-mod project]: S5 n/a swap in progress.
