My first cam install

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    Author Topic: My first cam install  (Read 4620 times)

    Offline Changin Gears

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    Re: My first cam install
    « Reply #30 on: May 20, 2009 - 03:48:10 PM »
    Quote from: Chryco Psycho on May 20, 2009 - 11:50:28 AM
    I would not bother pre lubing it , it was a running engine & getting oil to the cam is virtually impossible by prelubing the engine
     you can position the cam gear so the rotor in the dist points where you need it to on the cap .
     Whn it first fires up bring the rpm up to 2000 then play with the timing , you will hear the engine smooth out as you advance it , if it starts to pop through the exhaust you have advanced it too far , get the timing advanced until the rpm stops rising but not popping

    I agree, if this isn't a new motor, no need to pre lube.
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    Offline Ornamental

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    Re: My first cam install
    « Reply #31 on: May 20, 2009 - 05:16:22 PM »
    So if I've understood this correctly, it's just to get the rotor in firing position while the timing mark is at 0 degrees. The reluctor point will not be dead on the center of the pick-up then, where the groove is, but I guess it won't matter much. After it's fired up and running at 2000 RPM, I should then slowly rotate the distributor housing counter-clockwise to advance the timing until it runs smoothly, and leave it there.

    Popping means to go slowly clockwise until popping stops, right?

    When it's running smoothly, I should vary the RPM between 2000 and 3000, for 30 minutes (or 3x 10 minutes), right?


    Damn, thanks to you guys I might actually get this thing running !  :woohoo:

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    Panther Pink '72 Challenger Rallye.
    Grey '70 Challenger R/T

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    Offline Chryco Psycho

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    Re: My first cam install
    « Reply #32 on: May 21, 2009 - 12:34:05 AM »
    all looks good except just let her run at 2000 steady speed for 20 mins
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    Offline Ornamental

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    Re: My first cam install
    « Reply #33 on: May 21, 2009 - 12:35:46 PM »
    I always manage to find problems, don't I?  :icon16:

    First, I just noticed that the Haynes manual recommended a gasket sealer for the timing cover and water pump. Didn't say anything about that in the gasket kit instructions...?
    Obviously, I didn't do that.  Is this a problem or not?

    The intake kit says to use sealer around the intake ports, under the gasket, i.e between gasket and head, and black RTC sealer around the water jackets. I guess I can use the same RTV sealer both places. Should I use RTV sealer on both sides of the gasket?
    It's a Fel-Pro metal shim gasket.

    Also, I've noticed that the grease I put on the cam has begun to slide off, see picture:



    Is this a problem, one that can be solved by removing the lifters and just adding new grease as I turn the cam by turning the crank pulley, or is it just nothing to worry about?


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    Panther Pink '72 Challenger Rallye.
    Grey '70 Challenger R/T

    -There are two kinds of pedestrians: The quick and the dead.

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    Offline Chryco Psycho

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    Re: My first cam install
    « Reply #34 on: May 22, 2009 - 12:49:50 AM »
    the cam lube will be oK IF YOU DO NOT LET IT SIT TOO LONG
    yes you can use the same RTV in both places on the intake gaskets & water pump , , gaskets are designed to seal without sealer so you should be good to go , I use sealer anyway to be sure it stays sealed up
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    Challenger - You`ll wish You Hadn`t

    Offline Ornamental

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    Re: My first cam install
    « Reply #35 on: May 22, 2009 - 02:50:50 PM »
    Thanks for your patience with my questions!

    Just one more, how long is too long for the cam lube?
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    Panther Pink '72 Challenger Rallye.
    Grey '70 Challenger R/T

    -There are two kinds of pedestrians: The quick and the dead.

    ***Per Arne***

    Offline Chryco Psycho

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    Re: My first cam install
    « Reply #36 on: May 22, 2009 - 09:39:58 PM »
    sooner the better , not sure how fast most of it will fall off ?
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    Offline bb71challenger

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    Re: My first cam install
    « Reply #37 on: May 23, 2009 - 12:00:00 AM »
    Quote from: Chryco Psycho on May 22, 2009 - 09:39:58 PM
    sooner the better , not sure how fast most of it will fall off ?

    I dont remember for sure which manufacturer makes it but I think it might be comp cams. It is some great stuff and sticks to everything like glue. It is a very dark red, almost purple.
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    Offline Chryco Psycho

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    Re: My first cam install
    « Reply #38 on: May 23, 2009 - 07:14:01 PM »
    or the black Moly lube
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    Challenger - You`ll wish You Hadn`t

    Offline UKcuda

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    Re: My first cam install
    « Reply #39 on: May 24, 2009 - 04:04:04 AM »
    It's molybdenum sulphide

    when you turn the distributor you will soon get the idea of where the timing feels right - too far advanced it might not actually be "popping" in the exhaust but you will know if it feels wrong - it will stumble and miss - like it's in a bad mood !  Trust us; you will know.

    Have some rags handy "just in case" and as soon as you get it running smooth visually check round everything for leaks etc.  If you see smoke don't panic it's probably just oil burning off the headers.

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    '72 'cuda

    Offline Ornamental

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    Re: My first cam install
    « Reply #40 on: May 26, 2009 - 09:55:13 AM »
    Filled up with water, and got some more ready to top off.
    Filled oil, and break-in fluid.
    Filled gas in the carb fuel bowls.
    Hooked up the battery, ready to start.

    What happened when I tried to start up, after a little cranking I got a open flame out of the air filter, and the engine didn't fire up. Fair enough, it's been sitting a while, so it's only to be expected.
    Tried again, and got a flame out of the air filter again.
     :bricks1:

    It's likely to be something wrong.
    Here's how the timing of the ignition is:



    The mark is for the plug wire to Cyl#1.





    Any thoughts?   :clueless:
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    Panther Pink '72 Challenger Rallye.
    Grey '70 Challenger R/T

    -There are two kinds of pedestrians: The quick and the dead.

    ***Per Arne***

    Offline Chryco Psycho

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    Re: My first cam install
    « Reply #41 on: May 26, 2009 - 11:15:15 AM »
    pull the dist & install it with the rotor 180* from where it is now
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    Offline UKcuda

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    Re: My first cam install
    « Reply #42 on: May 26, 2009 - 06:50:44 PM »
    We call it "sod's law" there are only two ways and given an even chance you will get the wrong one.

    Easier than moving the distributor I just change all the plug leads across to their opposite side on the cap.
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    Offline Ornamental

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    Re: My first cam install
    « Reply #43 on: May 27, 2009 - 03:43:46 AM »
    Just trying to get it into my head what's going on.

    With the timing mark at 0, the cam and crank gear dots are facing each other.
    Then the piston for Cyl#1 is NOT at TDC. Cyl#1 should fire at somewhere around TDC.
    By turning the rotor 180°, the rotor will be at firing position for Cyl#6, which at this point is close enough to TDC to have a engine that will start.

    Right?
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    Panther Pink '72 Challenger Rallye.
    Grey '70 Challenger R/T

    -There are two kinds of pedestrians: The quick and the dead.

    ***Per Arne***

    Offline willard

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    Re: My first cam install
    « Reply #44 on: May 27, 2009 - 04:10:29 AM »
    Whn I swapped my cam I also had problem with startup, I was 99% sure the distributor is ok but checked it the easiest way - pull the #1 spark plug, put your finger so it covers the hole and then crank it with a screwdriver. Stop when your finger is pushed by the compressed air - this is 100% compression stroke - check where is the rotor poining then - it must be approx (a little after) #1 plug tower. Then you know for SURE if you installed the distributor 180 degr off or not.
    My engine was not easy to start because I wired coil improperly (+ and tach to the - side, distributor to the + side).
    Try firing the motor with the distributor advanced/retarded slightly more. I there is fuel, air and spar it must fire someday  ;D
    I keep my fingers crossed!
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