Popular Hot Rodding Magazine Homepage

0312phr Buick445 15 Z

Prev Next
This is what Kent will run on the Challenge motor. Final compression ratio will check in at about 12.75:1. After all the surfaces get coated, it should present no detonation problems for the 92-octane gas we'll be using in the Challenge.
Setting the Stage

 This is what Kent will run on the Challenge motor. Final compression ratio will check in at about 12.75:1. After all the surfaces get coated, it should present no detonation problems for the 92-octane gas we'll be using in the Challenge.  View Related Article