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Old 02-04-2008, 01:32 PM
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Mistery camshaft

I just removed a cam from a 283 that is bolted to my '67 Camaro since the original 327 was probably scraped by some previous owner. The cam has two casting numbers: 1529 and D16. I've researched my books and found nothing. The cam is in real good condition and I going to use it after rebuilding the engine to use for a while. Any info on this cam?

There's a guy down here who owns a '67 Camaro RS with a very tired matching number 327 and he's considering a big block engine. If he sells the 327 I'll buy.

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Old 02-04-2008, 02:07 PM
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The numbers that are cast into the cam core don't tell you anything.
New cams are cheap. Why do you want to use a old, unknown used cam in a fresh rebuild. No economy there. its likley to fail on you. Especially if you try to reuse the old lifters.
You can buy a new camshaft + lifter set from Summit for $89
You can buy a new cam +lifter set from Competition Products (Elgin) for $89
You can get a good idea of what the cam is by measuring the lobe lift.
Measure the major and minor diameters of the cam lobe. The difference, is the cam lobe lift.
Its likely just a stock GM cam. If it was a performance grind it would have numbers stamped on the end to ID the grind.
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Old 02-04-2008, 02:34 PM
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With some numbers I'm able to find info about cams, but cams are not like blocks and heads whose casting numbers always say a lot.

The cam and lifters are in very good condition. I do not intend to use the old lifters. I'm considering using the cam with new lifters that I already have.

Even if I'm going to use a new cam, I'm a bit curious about the old one. The 283 that is under my Camaro hood, according to my little book, came from a 66-67 Chevelle Malibu.

Thanks for your feedback. Maybe I'll use a new cam since I've bought everything new for this engine.
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Old 02-04-2008, 02:45 PM
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f-bird has a good point it doesnt seem economical to reuse that cam when a brand new one is cheap enough
the last 67 camaro I had I built a motor along these specs
327ci bored .030 over 10.25:1cr
Powerhouse aluminum heads 260cfm@.500 intake 177cfm ex
1.60 full aluminum roller rockers
double roller timing chain
N+30-30S 12-673-4 comp cam
its thier repro 30/30 cam and it sounded great
Performer rpm intake and a 750cfm holley dp
it made on the engine dyno 500hp@6500 and 470ft/lbs torque @5000
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Old 02-04-2008, 03:42 PM
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Stock cams typically don't make that much power, but power isn't everything. It all depends on what you want to do with your engine.

Yes, measuring the lobe height and subtracting from the base circle with give an idea on valve lift. don't forget to multiple the lobe lift by 1.5 to get valve lift.

He doesn't live in the United States. Maybe getting a Summit order to south America is not that simple????
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Old 02-04-2008, 04:05 PM
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f-bird has a good point it doesn't seem economical to reuse that cam when a brand new one is cheap enough.

Yes, F-Bird is right. I think I'll buy a new cam, but I want something tame for this 283. It'll be just a nice engine to drive around.

the last 67 camaro I had I built a motor along these specs
327ci bored .030 over 10.25:1cr
Powerhouse aluminum heads 260cfm@.500 intake 177cfm ex
1.60 full aluminum roller rockers
double roller timing chain
N+30-30S 12-673-4 comp cam
its thier repro 30/30 cam and it sounded great
Performer rpm intake and a 750cfm holley dp
it made on the engine dyno 500hp@6500 and 470ft/lbs torque @5000

I think that I can use these specs to build a 350 for my '55 Chevy. What you think?

454 C10 thanks for the camshaft measuring info. For me is there's no problem to import parts from US. I've imported big parts as a right rear fender for a '67 Camaro convertible. The only problem is the outrageous cost but, how the James Bond movie says, you only live twice. One for yourself and one for your dreams...
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