Boss 302 Block Problems
The boss block capability has been proven abound the world both on the track and on the street.
Boss 302 block problems. I have been researching it for a while and. The ford boss 302 is a high performance small block 302 cu in 4 951 l v8 engine manufactured by ford motor company the original version of this engine was used in the 1969 and 1970 boss 302 mustangs and cougar eliminators and was constructed by attaching heads designed for the planned 351 cleveland which debuted the following year to a ford small block. Most non boss 302 block castings are good through about 450 hp. Instead consider a truly superior casting such as those available from ford racing dart or world products.
Anyone have ford redo their mt 82 trans in the 2013 boss 302. Ford did make one prototype 1971 boss 302 mustang and then the 1971 program was canceled. They lack low end torque due to a poor combination of large port heads excessive carburetor. Just purchased one with 1195 miles on it in april have just under 5000 now.
Large cfm holleys are too much for stock boss 302 engines which is why they struggle in street trim. Trouble with quick shifts especially 1rst to 2nd and 3rd also notchy thought it just me. Just joined this site. We have heard of c8fe 6015 b used on very few early 1970 s.
We have heard of d0ze 6015 a used for a few late 1969 s. Designed as replacements for the legendary boss 302 and boss 351 blocks they use the latest technology and manufacturing techniques. According to various ford sources mexican blocks do not have thicker cylinder walls than standard blocks. After hearing that the new 18 manual transmission is still as weak as ever i put the 12 13 boss 302 back on top followed by the gt500.
By preserving many of the dimensions and features from the original 289 351 blocks the boss blocks are compatible as replacements for use in just about any vehicle that used a windsor style engine. Cast from diesel grade iron and designed with added material in key areas boss block strength is far superior to any ford oe block ever produced. D0ze 6015 b or c for 1970. Cast from diesel grade iron with siamesed bores thick cylinder walls and decks boss block strength is far superior to any ford production block.