Quote:
Originally Posted by scottydl
And for my own clarification (and because a machine shop will probably ask)... is this Pontiac Classic Bolt Pattern Reference Guide correct? If so, then it appears that my Executive's bolt pattern is 5x127 (5") since it has the 400ci engine... rather than the 5x120.7 (4.75") pattern that many of the other models have. So close!! |
That guide is not correct. All full size Pontiacs used a 5 x 5" wheel bolt pattern at least back to 1950, up until 1977. In 1977 and later they went to a mix of 4.75" and 5" patterns depending on the options.