What cam do I have? - Team Camaro Tech
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post #1 of 13 (permalink) Old Feb 3rd, 10, 08:31 PM Thread Starter
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What cam do I have?

I recently purchased a built 327.
3892657 Block
.060 over
Double humps

Never been started.

Short of dismantling this thing, how can I find out what cam this engine has in it?

I've never performed an engine break-in and I'm scared to death of screwing this thing up.

Any help is much appreciated.

Thanks.

67 Convertible, LS1, T56
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post #2 of 13 (permalink) Old Feb 4th, 10, 08:43 AM
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Re: What cam do I have?

Ask the guy you bought it from...or the person who built the motor. Other then that you need to take engine apart to view the cam and get the make and serial # off it to tell.
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post #3 of 13 (permalink) Old Feb 4th, 10, 09:44 AM
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Re: What cam do I have?

I'd try to put a dial indicator on one intake and one exhaust pushrod and turn the crank over by hand two revs to get an idea of the cam lift.
Any reason that won't work?

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327 L30, K-K, Deluxe int, tach & gauges, 12 bolt posi, 4 speed.

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post #4 of 13 (permalink) Old Feb 4th, 10, 10:17 AM Thread Starter
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Re: What cam do I have?

Therein lies the problem. I bought the engine from a guy off Craigslist. When I asked about the details of the internals he said he didn't have a clue because he got it from a guy who owed him some money and couldn't pay his debts...so he took the newly built engine instead. Probably my stupid mistake for buying the engine under these terms but it looks to be a clean build so far and the deal was right so, what's done is done. I'll probably just open it up this weekend.

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post #5 of 13 (permalink) Old Feb 5th, 10, 12:45 PM
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Re: What cam do I have?

If the engine's on a stand (or the floor) ,I'd pull the rear cam plug and see if it's an aftermarket cam ,instead of tearing into it if you don't need to.
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post #6 of 13 (permalink) Old Feb 5th, 10, 04:35 PM Thread Starter
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Re: What cam do I have?

Quote:
Originally Posted by mike532 View Post
If the engine's on a stand (or the floor) ,I'd pull the rear cam plug and see if it's an aftermarket cam ,instead of tearing into it if you don't need to.
Its on the stand. So you're saying pull the timing cover and there's a plug underneath there? Will it have a serial number or something on the end of the cam?

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post #7 of 13 (permalink) Old Feb 6th, 10, 08:50 AM
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Re: What cam do I have?

NO ,on the rear of the block -where the trans bolt's up-,is a plug at the cam.
It's the size of the freeze plugs on the side of the block.
Remove it and see if there's any id on the rear of the cam.
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post #8 of 13 (permalink) Old Feb 6th, 10, 09:13 AM
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Re: What cam do I have?

The big silver plug is the cam plug, a pain to get out but you should do the above.


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post #9 of 13 (permalink) Old Feb 6th, 10, 07:12 PM Thread Starter
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Re: What cam do I have?

Okay, I tore my engine apart today and removed the cam.
Here's the information that I was able to find on the cam.

CWC
CO
C5
EP1
13
D5
(Pink dot on shaft)
(Green dot on shaft towards dist. end)

On the tranny end of the cam was stamped M1 and then two separate A's.
Hydraulic flat tappet lifters: Johnson HT817
Can anybody translate this for me and help me find out what I've got?

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post #10 of 13 (permalink) Old Feb 7th, 10, 10:46 AM Thread Starter
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Re: What cam do I have?

Anybody have any input with the info provided?
Any help is appreciated.

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post #11 of 13 (permalink) Old Feb 8th, 10, 04:27 PM Thread Starter
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Re: What cam do I have?

Due to the lack of responses since I posted the cam info, I'm going to assume that it was not enough info to identify the cam. I've put google to work over the last couple days and come up with very little. I think most of the marks I found on the cam were from the original blank casting rather than from the final grind company. It's amazing that whoever manufactuered this cam wouldn't have left any sort of marks indicating who they are or the specs of this cam.

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post #12 of 13 (permalink) Old Feb 8th, 10, 04:48 PM
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Re: What cam do I have?

Better off just to select a cam that is correct for your application and go with a new one. Those numbers do not tell us anything. I once bought a Pontiac cam but when I read the Mellling # it cam back as a BBC cam. I had to send back to Melling to verify if it was the correct Pontiac cam I had ordered, and luckily it was. Cams are pretty cheap these days so pick a good one!! If the engine has never been started then you should be able to use the lifters you have. You could have the cam specs checked by someone with the proper equipment but that would cost $$$$.
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post #13 of 13 (permalink) Old Feb 8th, 10, 06:55 PM
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Re: What cam do I have?

Just a guess....but the lifters are made by Sealed Power (Federal Mogul), so my guess is the cam is more that likely a sealed power cam too....but its just a guess

Anything worth doing is worth overdoing...a little's good, more's better, and too much is just enough
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