Does anyone know what year AMC started using air pumps on thier V8`s(CJ`s in particular) ? I`m looking for a set exhaust manifolds that doesn`t have the plumbing on them for the air pump lines .
Also , any difference in flow characteristics between 304,360 and 401 exhaust manifolds ?
Jeff
Summer is just around the corner /wwwthreads_images/icons/tongue.gif
Also , any difference in flow characteristics between 304,360 and 401 exhaust manifolds ?
Jeff

Summer is just around the corner /wwwthreads_images/icons/tongue.gif