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- Sat May 27, 2023 10:51 am
- Forum: 1967-1971 Thunderbirds
- Topic: 1971 Thunderbird Carb
- Replies: 6
- Views: 1670
Re: 1971 Thunderbird Carb
I actually just replaced my 3rd 4300 for a Holley 4 barrel (0-1850S). That being said, a Holley 4412s (2-barrel) should be a direct bolt-on with the 20-2 ball stud kit. Currently working on jetting to fix a richness problem.