Is it ok to buy a used cam??
What are your guys thoughts?
If he's an honest seller and came out of a good running motor, go for it. New cams (NIB) sell for cheap prices in the for sale section too. I picked up a new one with an LS2 chain for a pretty fair price. Just act fast.
Hydraulic roller cams should not "wear out" exactly. Mechanical, flat tappet or solid roller cams mate to the lifters like was said above. Kinda like a condoms. Install 1 time.
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Also, watch for tiny bits of rust...sometimes cams sit on the shelf and aren't oiled. Moisture can cause small build ups of rust. If that is the case, I would buy new or have it machined.
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might be what your looking for
1. Be sure that the bearing surfaces and the cam lobes are smooth and the cam visually looks OK (others have mentioned this too).
2. Get a picture of the rear of the cam that shows the part number of the cam. A number of people have been deceived that the cam they are buying is a specific aftermarket grind. Then a cam is shipped in the Comp/Crane/other aftermarket manufacturer's box. The cam inside is the stock cam out of the seller's vehicle.
Most people are good honest sellers and buyers. I wouldn't hesitate to buy and install a used hydraulic roller cam that was in good shape.
Steve
1. Be sure that the bearing surfaces and the cam lobes are smooth and the cam visually looks OK (others have mentioned this too).
2. Get a picture of the rear of the cam that shows the part number of the cam. A number of people have been deceived that the cam they are buying is a specific aftermarket grind. Then a cam is shipped in the Comp/Crane/other aftermarket manufacturer's box. The cam inside is the stock cam out of the seller's vehicle.
Most people are good honest sellers and buyers. I wouldn't hesitate to buy and install a used hydraulic roller cam that was in good shape.
Steve
With aftermarket springs capable of handling higher lifts (.600-.650) it's normal to check all springs after a certain amount of time and on a regular basis. At a certain point, even springs you purchased new will need to be replaced.
I'm certainly not gonna risk destroying my engine over saving a couple dollars on used springs. Nor on the word of someone selling as to the above concerns on how the springs were treated.
Now a roller cam, on the other hand, is a different story. I agree with the others as to if the condition of the roller surfaces and bearing surfaces are visually OK - then used cam would be fine to use. Make sure cam has markings on end that correspond to the appropriate specs as mentioned.
-Jay-
Galen











