Do oem 350 sbc roller cam's take the same cam bolts as older ones? - Hot Rod Forum : Hotrodders Bulletin Board
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Old 04-19-2009, 09:43 AM
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Do oem 350 sbc roller cam's take the same cam bolts as older ones?

Hello guys I am rounding up all my parts and was wondering on the 350 chevy one piecce rear main seal gen 1 350's does the oem type roller cam take the same size cam bolts as the older flat tappet type cams? I need to get some cam bolts and don'e know if its the same size weather its oem roller or flat tappet. I am using a comp cam xtreme energy oem roller type cam and was also wondering can I use on the of the cam bolt locking plates on it as well or is the bolt pattern different? It usually says in the fine print for all cams except roller. I know there is no difference in the size of the cams just the difference I can tell is in the front of the nose of the cam to where the oem type has the end for the cam locking plate. Thanks
Eric

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Old 04-19-2009, 10:00 AM
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Far as I recall the bolts are the same. Just remember to use care when torqueing them, they will break if you over do it. You should be able to use a locking plate without issue, but all I ever used is a drop of loc tite.
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Old 04-19-2009, 11:28 AM
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If you are referring to the bolts that go to the upper sprocket, yes they are the same.
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Old 04-19-2009, 07:03 PM
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bolts

Bolts are the same, the bolt locking plate is not the same.

A few drops of blue loctite will do just as good.


Keith
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Old 04-19-2009, 08:04 PM
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The roller cam uses a 2 bolt thrust plate, if your block has this mounting provision, along with the lifter guide mounting bosses, you should be OK.

The camshaft gear mounting bolts should be the same.
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Old 04-20-2009, 04:12 PM
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Hello guys thanks for the help. I compared the older style cam bolt pattern with my oem roller cam type pattern and they are the same size the only difference is the oem type, the cam bolts are in closer then the older style so I know the cam bolt locking plate wont work on it cause they dont make one. I use loctite red on the cam bolts and I torque them to 20 foot pounds per gm specs. Thanks again for the help I will have to get some good grade 8 bolts for my cam.
Eric
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