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Does anyone know where I can get lifters for a '91 4.0 at a reasonable price? I realize they are roller lifters, but Ford parts wants WAY too much. I remember someone posting a place that specializes in 4.0 engines, but can't find the post now that I need it.

I tried many different things including engine flush - nothing worked. I am however looing into getting the engine professionally flushed. Some dealers have machines that pump heated filtered solvent through you engine (not running) to remove sludge. The THINNER the oil I run, the better the...

See my post "Lifter replacement without removing heads". I didn't really get an answer to this question, but I am leaning towards, NO. I need to do the same thing on my 91. But, I am really intrigued by the post FAKE OIL PRESSURE GAUGE. Maybe (in my case anyway) I have low oil pressure and...

Hey Nick, Did you have to remove the funnel shaped plastic cap(s) on the broken lifter(s) you replaced? And, since you have seen the opening sizes first hand, do you think I can replace ALL of them without removing the heads? Steve

Is that true even if you take the plastic caps off the tops of the lifters while in the block. Is there not enough room to squeeze them out between the opening in the lifter bore and the bottom of the head? Steve

Can anyone confirm that you can replace ALL of the lifters in a 91 4.0L without removing the heads? There was a post on this board a while ago stating you can if you remove (and replace) the plastic caps on the tops of the lifters while they are in the block. I'm assuming this simply makes...

Sorry for the repost, but I think I posted to a dead thread - so here goes again. I got in my explorer one day and the thing just started ticking at 95K miles (parked on a steep hill like MichaelF described, hood pointed down) From that day on, and for the past 3 years, I hear about 3 of them...