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I guess what I am looking for is a quantitative technical description of what is better, how much it is better, and why. Are new turbos a 50%, 20%, or an incremental improvement over the 4LE or 3LM? "WAAAAY" doesn't really answer the question.

Can you give some details about what makes them archaic? The "d" isn't THAT old.

$18.37 here: http://www.tractorjoe.com/parts/p/hc40-1091706-connecting-rod-bolt-2/mt/tractor/b/oliver/m/2150/?c=109&sc=2438

Up in smoke. 8)

The commercial version of the MF is rated up to 228 HP: http://herculesengine.com/d4800.htm

I don't think evidence supports the bottom end being overstressed. The bottom end failures seem to be more due to bolt fatigue than bearing fatigue. Has anyon blown out one of the newer (Victor 5818 ) head gaskets ?

Impact of Gasohol on the L-141 and LDT-465-1C Engines. Abstract : Gasohol was analyzed in the L-141 and LDT-465-1C engines in order to determine its impact upon engine operability. During various steady-state operating conditions, with the L-141 engine, gasohol was found to improve economy...

My OA331 was like this. The previous owner capped off the valve cover vent causing blooms of rust on the rocker arms. I just cleaned off what I could with a wire bruch and shop vac.

I don't think that the military requirements were very stringent. White motors had their own engine competing as a multifuel replacement for the Reo gas engine. The White was also a modified gas engine based on the Reo V8 using a pre-combustion chamber. Here is what the White literature had...

If you look back in the old Motors repair books, it is pretty clear that the MF was based on the TD-6427 Continental diesel truck engine which was in turn based on their gas enghine; NOT a tractor engine. The MF got the larger rod bearing size from the next larger R series, and a main bearing...

I was always of the opinion that the multi vibrated less than my 5.9 cummins.

I want opinions on whether or not this turbo is usable. There is a small nick on one fin and a slight bend in another. I contacted a turbo rebuild shop, emailed a few pics and got the answer that the wheel is out of balance and will take the bearings out and I should always buy a new turbo...

I've also found that loctite works the best for sealing studs into water jackets. Especially if they are loose threads.

My 1953 was a plow truck and in perfect, rust free condition when I bought it. Given the option of other, better plow trucks, it never got used.

http://www.steelsoldiers.com/showthread.php?2909-Deuce-power-steering-conversion&highlight=power+steering http://www.steelsoldiers.com/showthread.php?71438-Another-HF54-conversion&highlight=power+steering

Nicely done.

All are imperfect.

I found this to be an interesting post by Bob S: http://www.steelsoldiers.com/showthread.php?20442-Brand-new-FMTV-spotted&p=212593&viewfull=1#post212593 The Hercules engine (multifuel) never had to pass emissions either. FMTV was the first program that Congress had mandated had to meet...

Even in the low compression tractors, these engines were relatively short lived: Today's Tractors :: View topic - White 2-155 Hercules engine ? http://talk.newagtalk.com/forums/thr...ed&setCookie=1 http://talk.newagtalk.com/forums/thr...ed&setCookie=1...

I would offer this: 1) Based on what I have read here, most LDT owners turn the fuel up well beyond the LDS ~10 psi setpoint. The higher fuel rate makes it easeir to get too hot, fast. 2) We really don't know how hot the LDS runs. This question has been asked here before but no answers....