302 DZ Camshaft - Team Camaro Tech
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post #1 of 5 (permalink) Old Nov 26th, 02, 05:13 PM Thread Starter
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Hello everone,

There is a 302 DZ camshaft listed on ebay they state that it is Part# 3927140. All of the part #'s I come up with for a 302 DZ is 3849346. Does this first part number sound right. If anyone would like to check out the auction here is the ebay auction # 1873456258. let me know what you think.

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post #2 of 5 (permalink) Old Nov 26th, 02, 05:26 PM
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I don't have the part numbers at my easy reach, but in many books the old 30 30 Duntov camshaft, which was used in the 365/375 HP smallblock Corvettes as well as the Z28's with the 302's was superceeded by the later LT1 camshaft. This is confusing to many people. Crane still sells a blueprinted version of the 30 30 camshaft although I don't think they still catalogue it.
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post #3 of 5 (permalink) Old Nov 26th, 02, 06:25 PM
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Part Number: 3849346
Casting Number: 3849347
(No Casting Symbol)
Application: 67, 68 and 69 302

Part Number:3927140
Casting Number:3927141
(No Casting Symbol)
Application: 1st design 1969 302 Off Road


Ed Bertrand
1968 RS/SS L-89
396/375 Convertible
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[This message has been edited by [email protected] (edited 11-26-2002).]
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post #4 of 5 (permalink) Old Nov 26th, 02, 07:20 PM
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Thanks Brent for the info. The 140 cam is the first off road design for the 302. You want at least 12:1 compression ratio to run this cam as GM recomends. I've used this cam and the stock 302 cam and like them both. But on a higher compression engine I really like the 140 cam, hands down.

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post #5 of 5 (permalink) Old Nov 27th, 02, 06:14 PM Thread Starter
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Thanks everone you have been a big help.

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