i have a 68 chevelle with a 498 big block with 14 to 1 compresion.i installed a set of hooker 2 1/8 super comp headers bought a csr starter and have issues with not fitting to good even after changing clock position of the starter.a local starter guy sold me a permanent magnet starter from a newer style chevyhavent fired motor yet its new turned it over seems to crank fine will this starter be enough?or will there be problems and i should modify headers to fit csr model?thanks for any info,preston