pushrods

Well as I'm sure a lot of people in the past have asked about 422s an 410s in a 4.0. I'm going with a 422 I have it an all the supporting parts except a tune an by the looks of it people have said don't need the tune. Along with the pushrods. I need the pushrod length (with stock rockers!) It's...

I'm trying to find out the max acceptable heat/temp I can expose pushrods and/or rockers to, without damaging them. It is known that the 4.0L-OHV has poor top end / valve train oiling; often leading to premature wear of pushrod ends and pushrod cups in the rockers. So, I thought I would try...

What I'm facing here... I have a 94 Ex. 5 speed with a cracked right head. I have a 92 Ex. 5 speed for parts with under 200 K. i also have a 92 Ex auto with 260 K. I don't really want to buy brand new heads, I've heard stories about putting new heads on older engines. So I'm thinking about...

Hey everyone, my X has been making a weird noise now for about 10k miles, since I installed the stock IAC a year ago(it had the wrong one before, from the 5.0) Well I've researched quite a bit and the only things I've seen are bad lifters/pushrods. The noise is like marbles in a can, it's not...