There's a ton of info available on the web to help you through most any question related to Broncos and 4X4's. Over the years we've gatthered some useful tips and information ourselves, and will be placing as much of it as we can here on the site over the coming months.
66-77 Bronco Engine Specifications
| 1966 | 170 | 105 | 289 | 200 | 9.3:1 |
| 1967 | 170 | 105 | 289 | 200 | 9.3:1 |
| 1968 | 170 | 100 | 289 | 195 | 8.7:1 |
| 1969 | 170 | 100 | 302 | 220 | 9.5:1 |
| 1970 | 170 | 105 | 302 | 220 | 9.5:1 |
| 1971 | 170 | 100 | 302 | 210 | 9:1 |
| 1972 | 170 | 100 | 302 | 140 | 8.5:1 |
| 1973 | 200 | 84 | 302 | 138 | 8.1:1 |
| 1974 | 200 | 84 | 302 | 140 | 8.1:1 |
| 1975 | N/A | N/A | 302 | 125 | 8.1:1 |
| 1976 | N/A | N/A | 302 | 134 | 8.1:1 |
| 1977 | N/A | N/A | 302 | 122 | 8.1:1 |
66-77 Bronco Fuel Tank & Tire Size Data
| 1966 | 14.5 Gal. | N/A | 7.35X15 | 6.50X16 | |
| 1967 | 14.5 Gal. | 11.5 Gal. | 7.35X15 | 6.50X16 |
| 1968 | 14.5 Gal. | 11.5 Gal. | 7.35X15 | 6.50X16 |
| 1969 | 14.5 Gal. | 11.5 Gal. | 7.35X15 | 6.50X16 |
| 1970 | 14.5 Gal. | 11.5 Gal. | 7.35X15 | 6.50X16 |
| 1971 | 12.2 Gal. | 10.3 Gal. | E78/15 | 6.50X16 |
| 1972 | 12.2 Gal. | 7.5 Gal. | E78/15 | 7.00X15 |
| 1973 | 12.2 Gal. | 8.0 Gal. | E78/15 | 7.00X15 |
| 1974 | 12.2 Gal. | 7.5 Gal. | E78/15 | 7.00X15 |
| 1975 | 12.2 Gal. | 7.5 Gal. | E78/15 | 7.00X15 |
| 1976 | 12.2 Gal. | 7.5 Gal. | E78/15 | 7.00X15 |
| 1977 | 14.5 Gal. | 7.5 Gal. | E78/15 | 7.00X15 |
MORE TECH COMING SOON!

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