changing cams
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Freshman User
Joined: Feb 2007
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changing cams
I'm having someone rebuild my mustang motor and the motor that was in it pretty much has no mileage on it and now I got this cam its the ford e303 or the b303 one and I want to put it in my bronco and put on some 1.7 rocker arms. what are the steps I should do to do this I want to do it my self I don't feel like pulling that motor so thats why I want to do it my self I can just do it in my garage after my mustangs done but I just want to know what I should do like all the steps.
FTE Legend
Joined: Jun 2006
Posts: 31,930
Likes: 1,499
From: Ottawa, Ontario
The Ford alphabet cams are very poor choices for a 5.0 in a heavy truck.
What year is the bronco and is it mass air? If it isn't the motor won't run very well with either of these cams.
If you insist on putting the cam in anyway, the procedure is pretty simple.
Strip the intake, valve covers, and timing cover off the motor.
Rotate the crank until the marks line up on the timing gears.
Remove the rockers, pushrods, spider and dogbones, and lifters.
Remove the timing chain and and then carefully pull the cam, rotating as necessary.
Carefully put the new cam in and re-install the timing assembly with the marks aligned.
Re-install lifters, dogbone assembly, pushrods, and rockers(torque to spec).
Put covers back on.
What year is the bronco and is it mass air? If it isn't the motor won't run very well with either of these cams.
If you insist on putting the cam in anyway, the procedure is pretty simple.
Strip the intake, valve covers, and timing cover off the motor.
Rotate the crank until the marks line up on the timing gears.
Remove the rockers, pushrods, spider and dogbones, and lifters.
Remove the timing chain and and then carefully pull the cam, rotating as necessary.
Carefully put the new cam in and re-install the timing assembly with the marks aligned.
Re-install lifters, dogbone assembly, pushrods, and rockers(torque to spec).
Put covers back on.
Elder User
Joined: Apr 2004
Posts: 768
Likes: 0
From: Oromocto NB
I'm having someone rebuild my mustang motor and the motor that was in it pretty much has no mileage on it and now I got this cam its the ford e303 or the b303 one and I want to put it in my bronco and put on some 1.7 rocker arms. what are the steps I should do to do this I want to do it my self I don't feel like pulling that motor so thats why I want to do it my self I can just do it in my garage after my mustangs done but I just want to know what I should do like all the steps.
