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tpi 200r4

  1. Tpi swap need help!!

    LT1/LS1/EFI Tech
    Hello, been all over the site for some time now. Just swapped in a maf tpi unit into my 87 Elco 305/200r4. Engine seems to run great but the trans shifts way to soon and keeps going into lock up in 3rd and 4th lugging the engine bad to the point where almost dies until mash the throttle to...