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hi just got 89 25b regal and was wondering if anyone has upgraded to tbi and 4 speed trans on these models. thanks steve1 new member | |||
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Official Barth Junkie  |
I did one a while back. Much better than carburetor. https://www.barthmobile.com/eve...173973877#3173973877 Do a search for "TBI" several other references. Others have done trans/overdrive mods. I went with a beefed up 3sp TH400 on the 33 ft I had. 9708-M0037-37MM-01 "98" Monarch 37 Spartan MM, 6 spd Allison Cummins 8.3 325+ hp | |||
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