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Looking for cam info

 
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72cheyenne
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Joined: 19 Sep 2006
Posts: 3

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PostPosted: Mon Apr 02, 2007 1:26 am    Post subject: Looking for cam info Reply with quote

bought a bunch of 350 parts of my buddy for dirt cheap, i have a cam that i have no clue of the manufacturer or the grind, just know its a hyd flat tappet, mabye you guys can help? On the back of the cam are these stamped numbers 100042CD, 11 50-99. In front of the distributor gear there is a cast number 1539 and CWC, Behind the dist gear is a C10. Any ideas? I can try and take some pics if that would make it easier
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72 Chevy C10 shortbed, 350/700r4
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Big Dave
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Joined: 04 Dec 2005
Posts: 2551
Location: Tampa Florida
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PostPosted: Mon Apr 02, 2007 7:22 am    Post subject: Reply with quote

If that 9 were a B so that it read 153B; then it would be a 236 @0.050" lift duration and 0.468" lift Lunati cam hydraulic flat tappet.

If it is a used flat tappet cam you should have the matching tappets because the tappets go with the lobes and are not interchangeable once worn (theoretically).

A degree wheel (9" to 11") in diameter and a dial indicator with a mounting stand can tell you exactly what your cam specifications are, and they can be used to dial it in at time of installation. I would consider buying these basic engine building tools, if you are interested in the hobby of hot rodding.

Numbers do not match any in the CompCams catalogue either.

Big Dave
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72cheyenne
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Joined: 19 Sep 2006
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PostPosted: Mon Apr 02, 2007 11:03 pm    Post subject: Reply with quote

think we got it figured out to be a crane http://store.summitracing.com/partdetail.asp?part=CRN%2D100042&autoview=sku I have a degree wheel and dial indicator so i will prolly check it out in one of my spare blocks to make sure thats what it is.
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72 Chevy C10 shortbed, 350/700r4
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nwcc
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Joined: 11 Aug 2005
Posts: 453
Location: Pacific Northwest
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PostPosted: Mon Apr 02, 2007 11:38 pm    Post subject: Reply with quote

Like Dave briefly mentioned. You really shouldn't run a used camshaft. the only way that I would ever consider using a used flat tappet camshaft would be if I was the original owner and I made sure that all the lifters stayed matched to the lobes.

When I was 16 I got a used cam and didn't think twice about putting it in my Olds 455. To this day I remember double checking everything and breaking in the cam properly. Less than 1000 miles later it went flat. Who knows why...

For me its not worth the $$$ and hassle if things go wrong.

With that all said... Anyone want to sell me a roller cam and solid lifters, its for a SBC? J/K Shocked Very Happy
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