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You are correct, nothing is adjustable and geometry is exactly as you described. so i guess its possible that i didn't get the oil port in the cam bearing lined up with the port in the head and too much oil pressure at the lash adjusters and they are pushing up out of their bores causing the...

ok this problem discouraged me and has been on back burner for years now! Woke up this morning wondering if i could have a oil passage clogged or restricted by a improper gasket (or who knows what) that is causing too much oil pressure at the lash adjusters and hydraulically pushing them up in...

Thanks for that, I was able today to find another set of the right rockers in a yard about an hour and a half from here, was a nice day for a ride at least! I hope to be able to reassemble everything soon and let everyone know how it turned out.

Good morning all. I got the new springs and the installed height spring pressure is 68 lbs, that's 14 lbs more than the old springs that were 54 lbs. I am hoping that will be enough of a increase that the lash adjusters will not over power the springs and over pump to the point of coil bind. Now...

Thanks for replies, this was a almost complete rebuild, I did new lash adjusters and I feel it is related somehow to them over pumping. I got them from enginetech, I am a enginetech distributor, and have seen very few problems with their parts but it's definitely possible!!! I checked my...

Does anyone know what the installed spring pressure should be?

I recently rebuilt the 2.5L in my wife's 2001 ranger. Upon initial startup it broke 3 rocker arms. After much time spent diagnosing why (and many more broken rockers), I have determined that the lash adjusters are pumping up too far and causing the valve springs to bind and then breaking the...

thanks for the reply I got my bearings from engine Tech they are to spec and the crank Journal is to spec, apparently it seems to be the main caps I really didn't want to do a line bore.

I'm rebuilding my first 2.5. In tear down everything looked absolutely great (except for the blown head gasket, reason for tear down). I decided to reassemble with no machine work, just hone and a std, std, std remain kit. I found .003 oil clearance on the new main bearings. Crank journals Mic...