Join Date: Oct 2009
Location: Kamloops, BC Canada
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My understanding is that the engine block casting was changed between the idi and powerstroke blocks. I have never heard of a Powerstroke block fail due to cavitational porocity. The IDI is a nuther story....had a '91 that failed because of it and it is very common with those blocks.....I still monitor the SCA levels in my Powerstrokes as the IDI experience was as dirty deal....and SCA and test strips are cheap relative to engine failure. As a side note infact that is why (one of the reasons) TDS.com was initially started way back in the day, was because FMCo didn't support failed blocks and in my experience the dealerships where not even aware of cavitational porocity as late as 95....or at least tried to ignore it....cost me alot of grief back in the day but I'm over it now.....hahahaaaa....I think....
'97 Red F250 CC XLT ZF5 3:55s, Dana 60, SD springs all round, 'jectors, IC, 6.0 fan, TW files, VisionX lights and other stuff.
'96 White/Silver F250 SCSB 4X2 (all stock for now)... 4:10's E4OD.
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Last edited by jcart; 12-29-2009 at 10:48 AM.