the cam you can leave in place you just need to remove the timing set, I never had my cam out when I had my head off
is your truck 2 or 4 wheel drive? your hold up may be the two studs at the end but not sure I haven't worked on one of the 4 bangers in a while now
the timing cover at least needs the two bolts that are right by the timing set in the head, but im not sure if that will work without the head off.
what all are you doing to the engine?
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Luvless
1980 Mikado-Sold.
1993 Lexus SC400 my Daily
2004 Yamaha WR250F my new love in life
2016 Toyota Camry my girls ride