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7.3 Godzilla Engine Failure Thread, Post Them Here

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Old Jul 15, 2023 | 04:01 PM
  #91  
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Originally Posted by OverheadCram
Anyone here familiar with the Ford 7.0L OHC from the 1960s?
Yes... And they never lived up to expectations in the NHRA arena. Jon Kaase still plays with them and maybe he perfected them. Don't know.
 
Old Jul 15, 2023 | 04:07 PM
  #92  
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The 427 SOHC was not a production engine.

"...fast but fragile..."
 
Old Jul 15, 2023 | 04:18 PM
  #93  
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Originally Posted by FishOnOne
So you avoid answering the questions. Got it...
Well since the engine block, oil pump, crankshaft, connecting rods, pistons, camshafts, intake manifold, throttle body all have new part #’s I have no clue. Anyone’s guess, but so far problems are pretty scarce on the forums. I just know the 21 and newer 5.0L, I didn’t pay too much attention before this 4th generation engine because I wasn’t in the market then.
 
Old Jul 15, 2023 | 04:58 PM
  #94  
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Originally Posted by FordExpy486
Well since the engine block, oil pump, crankshaft, connecting rods, pistons, camshafts, intake manifold, throttle body all have new part #’s I have no clue. Anyone’s guess, but so far problems are pretty scarce on the forums. I just know the 21 and newer 5.0L, I didn’t pay too much attention before this 4th generation engine because I wasn’t in the market then.
So in the spirit of all these required fixes due to Fords engineering shortcomings, maybe Ford will create a new part number for the 7.3 lifters? They recently redesigned the 3.5EB engines cam phasers and they have a new part number too, in which this problem went on for way too long.
 
Old Jul 15, 2023 | 06:29 PM
  #95  
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Originally Posted by FishOnOne
I agree 100% with this statement. It didn't make any sense to have OHC when the DOHC 4valves/cylinder was only available on the Mustang Cobra SVT for the Triton line up. And what was even worse on the was the small cylinder bores that limited the valve size which made them poor performers on the 2 valve engines along with the spark plugs thread design disaster.
Lincoln navigators got the 5.4 DOHC 4 valve, so it did make it into "trucks" of a sort. It was rated at 300 hp and 355 lb/ft about 40hp up on a 2V 5.4 truck engine.
 
Old Jul 15, 2023 | 06:32 PM
  #96  
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What is especially entertaining is a absolute lack of a single first hand report of a failure in a thread about all the failing 7.3's we are now WAY off on about the third or fourth tangent with 5.0's and cammers being discussed...
 
Old Jul 15, 2023 | 06:55 PM
  #97  
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Originally Posted by RidgwaySD
What is especially entertaining is a absolute lack of a single first hand report of a failure in a thread about all the failing 7.3's we are now WAY off on about the third or fourth tangent with 5.0's and cammers being discussed...
Certainly cant discuss a problem that by large doesn't exist

Mine as well discuss something that was/is a problem. No diesel though, enough threads daily on those problems.
 
Old Jul 15, 2023 | 07:31 PM
  #98  
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Originally Posted by OverheadCram
Certainly cant discuss a problem that by large doesn't exist

Mine as well discuss something that was/is a problem. No diesel though, enough threads daily on those problems.
LOL... as a good friend of mine is trying to figure out how to replace his failed $20k lump of iron... My gasser hauls all the same trailers and loads...until the lifters fail I guess.
 
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Old Jul 15, 2023 | 10:00 PM
  #99  
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Originally Posted by OverheadCram
Certainly cant discuss a problem that by large doesn't exist

Mine as well discuss something that was/is a problem. No diesel though, enough threads daily on those problems.
Your missing the point. Ford has a history of design issues and typically takes too long to fix them. Connect the dot's and extrapolate and you'll get the picture.
 
Old Jul 15, 2023 | 10:16 PM
  #100  
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Originally Posted by RidgwaySD
What is especially entertaining is a absolute lack of a single first hand report of a failure in a thread about all the failing 7.3's we are now WAY off on about the third or fourth tangent with 5.0's and cammers being discussed...
Are we now ignoring the "7.3 Godzilla Catastrophic failure" thread in the 7.3/6.8 forum. New member reported he's on his third engine.
 
Old Jul 16, 2023 | 12:19 AM
  #101  
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I think ford makes something like 20-30,000 super dutys/month. A few failures here and there is statistically closer to 0% than anything else.
 
Old Jul 16, 2023 | 07:44 AM
  #102  
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Originally Posted by Vipersgts1
I think ford makes something like 20-30,000 super dutys/month. A few failures here and there is statistically closer to 0% than anything else.
Some people have to hold onto that 0.xxx%. Its all they've got
 
Old Jul 16, 2023 | 07:45 AM
  #103  
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Originally Posted by FishOnOne
Are we now ignoring the "7.3 Godzilla Catastrophic failure" thread in the 7.3/6.8 forum. New member reported he's on his third engine.
Going to call BS on that one. A 3rd engine would either be from abuse or a serious misalignment of a major component or internals. Something else going on with that one to grenade two engines in such a short time. Hope they can get it squared away.
 
Old Jul 16, 2023 | 07:48 AM
  #104  
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Originally Posted by FishOnOne
Are we now ignoring the "7.3 Godzilla Catastrophic failure" thread in the 7.3/6.8 forum. New member reported he's on his third engine.
You go ahead and cling to the guy with a bizarre failure history. That is the exception. When he loses #7 on two engines in a row something else is going on or you just accepting that as normal? Better yet trying to extrapolate that into something it just isn't happening with ANY regularity.
 
Old Jul 16, 2023 | 08:14 AM
  #105  
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Originally Posted by RidgwaySD
You go ahead and cling to the guy with a bizarre failure history. That is the exception. When he loses #7 on two engines in a row something else is going on or you just accepting that as normal? Better yet trying to extrapolate that into something it just isn't happening with ANY regularity.
One thing we can almost guarantee with certainty and regularity is the 6.7 upper oil pan leak.
 



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