Could be a valve rocker. I had that issue early this year. If the rocker isn't set-up right you can get a bit of rocker chatter which sounds like a tick.
It could also be the timing chain set. That will give you a ticking sound. I had that issue last year.
__________________ 65 Mustang 289 C4. Edelbrock 600cfm (no more Pony Carb Autolite), Shorty Headers with 2 1/2" collector & glasspacks, Shiftkit, 5-leaf stock height rear springs, 620lbs/1" drop front springs, Gas Adjust shocks, 14x7 American Racing S200 Daisy Rims, low-mid range cam, 1 1/8" front sway bar & 3/4" rear sway bar, & ~3.80's (I think) in the rear. |