what is the vacume a 1000 rpms? what u have sounds close, if rings, valve guides are in good shape u should get 18-20 at 1000 rpms. -Brian ---------------------------------------------------------------------------- To unsubscribe from gmecm, send "unsubscribe gmecm" (without the quotes) in the body of a message (not the subject) to majordomo at lists.diy-efi.org