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Howdy, our peach 89 Bricky with only 108k on its IDI has suffered the offset core + thin water jacket issue. Coolant in cylinder. I hear that this hit trucks as low as 35k miles. Link HERE, copied text below.
Another good info link HERE.
Does anybody know if the 7.3 IDI Turbo has the same issue? The IDIT is not the same block as the IDI.
"The 7.3 had an issue ... When they decided to bore out the 6.9 to 7.3 liters, it made the cylinder walls dangerously thin. This made the 7.3s much more susceptible to cavitation. Cavitation happens when bubbles form on the cylinder walls and eat away at the metal that forms the cylinder. If this is allowed to go on long enough, the bubbles will finally eat a hole right through the cylinder wall."
Back when we first got her in 2018
Last edited by RenoHuskerDu; Apr 15, 2021 at 05:48 AM.
Of the information I've gathered from these internets...
It is about as likely to affect the idit as it is the idi. The only upgrades to the block were improved webbing and a few other minor details.
That said, cavitation isn't something I worry about. It's actually pretty rare, and something most don't ever encounter. If you are worried about it, you can have your new engine sleeved and alleviate any concerns.
Of the information I've gathered from these internets...
It is about as likely to affect the idit as it is the idi. The only upgrades to the block were improved webbing and a few other minor details.
That said, cavitation isn't something I worry about. It's actually pretty rare, and something most don't ever encounter. If you are worried about it, you can have your new engine sleeved and alleviate any concerns.
Doesn't the IDIT block have slightly thicker water jackets?
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