5.0 Timing Chain
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From: Douglasville,GA
5.0 Timing Chain
I have a 1995 F150 5.0 with 95300 miles and will be replacing the waterpump and fan clutch. Would it be beneficial to replace the timing chain and gears at this time?
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From: Williamson, NY
I think it would be a good idea to do so. I am not sure if the 1995 5.0L engines still use a nylon coated cam gear, but my 1977 302 did and when I removed it at ~113,000 miles it was really chewed up and the chain had a lot of slack in it. I ended up rebuilding the whole engine due to other issues, but is a much longer story :-).
Hotshot
Joined: May 2003
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From: south louisiana
Your 95 will have a double row, roller chain timing set. Other than maybe changing the chain, I doubt it's worth while to dig into the timing cover. To see how much slack is in the chain, remove the dist cap, take a breaker bar and 15/16" socket, put this onto the crank snout bolt, turn the crank one way, then the other, watching the dist rotor, take note how far the crank moves before the rotor does. I don't know what the factory limit specs are though. But if the crank moves more than about 1/8 to 1/4 turn then I'd replace the chain. The gears are probably fine. The factory nylon coated timing gear was discontinued long ago. It went out with the 70's.
Tuned
Joined: Jun 2003
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I changed my 93 at 105K miles. It had a little slack in it and I was there like you so I did it. I had the double row steel sprockets...not the nylon.
All I can say is that my truck ran much smoother and my emissions were better when tested. I think my mileage was a little better too.
I would strongly recommend this if you are already there.
All I can say is that my truck ran much smoother and my emissions were better when tested. I think my mileage was a little better too.
I would strongly recommend this if you are already there.
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From: Douglasville,GA
Originally Posted by green 1969 f100
I have a 1995 F150 5.0 with 95300 miles and will be replacing the waterpump and fan clutch. Would it be beneficial to replace the timing chain and gears at this time?
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From: Concord, NC
The factory nylon coated timing gear was discontinued long ago. It went out with the 70's
The spec for slack in the chain is 4-5 degrees of crank rotation before the rotor moves.
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From: Douglasville,GA
Originally Posted by cujo8
They usually come as a set, so I would suggest doing the complete set. You would not want anyone saying you weren't playing with a complete set would you :-).
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