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Message: <blockquote data-quote="swampratt" data-source="post: 2876565" data-attributes="member: 15054">And you can always shorten the frame and put the tires where you need them if it comes to that.. or move the shackles.I will say the TBI is kind of reliable but not so much the ones that cruised the highway at 1700rpm in high gear.That puts a tremendous load on the main bearings and I have rebuilt some of those 350"s that were very well maintained and the cranks were locked up tight from stacked bearings.Cruise speed of 2200 or more is much better.It is not the low rpm alone but the load at that rpm .. wind and drag. Then many pull small loads puttering around under 2000 rpm..That just is not good in my book.OIL pressure on the failed engines I rebuilt was always spot on. The customers stated just going down the highway and she locked up.I actually ported an intake and the heads and ex manifolds on a TBI vortec with swirl port heads.. Made Zero difference..ZERO!!That was a waste of many man hours.. I contribute the turdiness of that engine to the tiny TBI system.Slap a Qjet on it and I bet it would pick up 50HP.</blockquote>