Eratic behavior from an 85' 6.2 (more below) requesting help please (Two vids in one)

[nycxjeremyy]

Super off topic, but what in Earth could cause my 6.2 to absolutely HATE going uphill, take a look at this, literally struggling

4 new items by Jeremy

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[nycxjeremyy]

Fellas, the current thread is live!

How do you all get 6.2s to 300K miles

I hear often about 6.2 Detroits going to 300K miles and more, but can they really do that? My 1990 K5 Blazer with a swapped in 1985 6.2 Detroit Diesel w/h the ATS Turbo Kit which is at 85K miles (the vehicle itself has 279K miles) ... Already have quite a few in it with the following: -...

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