There is a thing or to you want to keep an eye on. You might have to open up your pushrod slots in your heads to give enough clearance so you pushrods won't rub. I am having this issue myself right now on my 350. heads are stock and with the 1.6's the pushrods are hitting the lower edge of the slot. Am gonna have to grind down the slot a little bit to keep them from rubbing. Good luck and happy wrenching!