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91W350, That looks very similar to LDT rods! Stumps, yup, snowball effect. I expect that. SRJeeper: Perfect! Its like a speach from my fathers mouth. Made me smile. Nope, dont have a deuce yet. And I agree with you on the "problem", while this wasnt a problem for the truck in service, its a...

I think we are straying a bit off topic. Tom, This isnt about going faster, this is about why it doesnt rev higher...if i wanted a faster car, I'd drive my Corvette. My initial discussion is why is there a failure, and how can we fix it. It seems that the engine would be capable of higher...

its easy and cheap for new rod bolts. rods...well it would take some investigation to see if a manufacture makes something similar. but i would be willing to bet that any rod /piston manufacturer would build a rod to suit. price may be un-earthly. but quality would be significantly better.

From Tom Monroe:..." Failure of either on of these [rod bolts] usually means catastrophic engine failure. For rod bolts this typically occures when the rods are stressed in tension to the maximum, or just after the piston goes over TDC during the intake/exhaust overlap period. The crank pin...

great discussion! im writing a response and i will post in a few hrs. i am currently out to sea in the middle east area and its difficult to get time on a computer.

I've read about the rods and bolts being the failure, but never an answer to WHY they let go. Somewhere, there was a thread that almost had the info, yet no one ever tested the rod bolts or rods to see if they were made from lower quality materials. My thought proccess was that the rods were...

While the rods in the LDS and LDT are the same, why the slight 150rpm difference? Does the LDS have the same rod failure rate as the LDT? I dont recall seeing any LDS rod failures.

A careful and relentless search of this forum and other documents on the LDT-465 have resulted in one thing, do not go faster than 2650 rpm or you'll throw a rod. I, being the engineer type, ask why? What causes this, and how can we fix it? To figure it out, I applied some numbers to the...