Why is engine lacking power? on 1992 Toyota 4Runner

Repaired oil leak in both cams. Timing is right on. Fuel is good. Good fire.

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2 answers 2 comments
Same thing before the leaks were fixed or is this a new problem?
truck ran fine other than the oil leaks
One of the cams is off a tooth!!! OR the crank.
These vehicles were born gutless.