[blueracecar]

we just put a 400 hp crate motor in my 89 gt drag car and sometimes the starter wont release it only does it about every fifth time you start it. does that sound like it needs to be shimmed and if so how hard is it?

[KILLER BIRD]

It is very rare to have to shim a ford starter. It is not the same as a GM starter that bolts on from the bottom of the block. If you shim a GM starter you move the teeth away from each other. On a Ford , if you put a shim behind the starter it will not change how close the teeth are to each other because the starter mounts from the front of the bellhousing. That will ony change how far the starter gear flys out in relation to the flywheel teeth. You probably have something else going wrong, such as a bad starter or sticking solenoid.