Although the 2 sleeves wouldn`t normally bother me, assuming they were installed properly, I have to question why the sleeves were needed. After splitting 2 cylinders in my Fairmonts .030" over 428 last year, I`d be hesitant to buy any 428 block without a sonic check. Although I normally like .150" min thickness cyl walls, I took a chance on this block, which had a few in the .100-.110" range, and after splitting the 2 cylinders,at 2 different times, I finally gave up and Hard Blocked it after the 2nd hole was sleeved. For mild street use, a bit thinner wall thickness may be useable, but I`m gun shy myself now.
If this block you are looking at has good sonic test numbers, and nothing else looks funky, it sounds like a decent buy. Standard bore 40 year old blocks don`t grow on trees!
428 powered Fairmont drag car, Best ET:10.03@132.11MPH, best 60 ft: 1.29
59 Meteor 2 dr. sedan 332, Ford O Matic
74 F350 ramp truck 390 4speed
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