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  1. #11
    The Nitrous Outlet Junkie


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    Quote Originally Posted by Spartan7 View Post
    Wait, are you running an opti or a conventional distributor? Because that will change things. You can't screw up an opti regarding #6 or #1 TDC, but you CAN screw up a dizzy.

    no more opti
    94 Formula "budget build" #thebeaterbird
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  2. #12
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    @zooguy since your running a conventional distubuter. The dowel pin dose not matter it is used to drive the opti spark. With the conventional disubter. Then timing is done just like the gen 1 small block.

    Have you checked to see if the rotor is setting on number 1 cylinder when you bring it up on TDC during the compression stroke?

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  3. #13
    The FABRICATOR!


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    Quote Originally Posted by zooguy View Post
    it has never run before ... its a fresh build and never started ... i wanted to have the dyno do the initial break in and seat the rings under a load then tune it once it was broke in

    so now something i can check ... with my timing chain how it is ... how should the rotor point if i pull the distributor cap off ?
    With the timing set in the position it's in, you are on #6 tdc of the compression stroke. Your rotor should be pointing at the #6 terminal on the cap. If its pointing to #1 you are "180 out" as in the timing is trying to fire the #1 plug when it should be firing the #6. If this is the case, pull the distributor out, rotate 180°, and drop it back in. Then call up your she and ask them why they started chasing cam timing before checking ignition timing. Pretty basic shit imo

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  5. #14
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    On a rear distributor motor, backfiring through carb and no start is almost always 180 degrees out

    you need to have #1 on compression stroke and the rotor pointing to #1 or #6 at TDC compression and rotor pointing to #6
    96 BBB 383/T56

  6. #15
    The Nitrous Outlet Junkie


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    Well it doesn't look like it's 180 degrees out of time

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    94 Formula "budget build" #thebeaterbird
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  7. #16
    "The Rock"


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    Video wont show for me... what is it a video of?

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  8. #17
    The FABRICATOR!


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    His video shows the rotor pointing at the #6 terminal, so the distributor is in correct. You're going to have to put some effort into getting it going, it's not like efi where everything is set where you tell it to be.

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    Last edited by firebird_1995; 12-05-2016 at 07:24 PM.
    Chris
    1985 Monte Carlo SS
    Mods: 9:1 383 LT1, Ported Trick Flow heads, D1SC Procharger, 4L80E, 3.50 9"
    Check out the M122 MCSS build thread here!

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  10. #18
    LTx Guru


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  11. #19
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    I watched the video you posted on FB. When you done away with the LT1 2GEN time and all you need to do is set the time like you would a Gen 1 engine. Bring number one cylinder up on top of compression stroke. You will be able to hear the piston push air out the number one spark plug hole. From the video I believe that you will find that the rotor cap will be pointing at cylinder number 6 if that the case. Loosen up your disubter and lift it up and rotate the rotor and timming gear so the rotor cap is at cylinder one. Then fasen down the distubuter and check by rotating the crankshaft until you get the compression stroke on cylinder number one. Then look and see if the rotor is pointing at cylinder number one, and then look at the cam gear and sprocket gear and timing marks are lined up.

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  12. #20
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    Quote Originally Posted by Camaro96 View Post
    ...
    The video shows he did exactly that. The distributor appears to be clocked right, now you just have to set up the timing. Which I would think the dyno shop would be familiar with? Do you have an aftermarket timing pointer on the front cover? Because you're going to need that to dial in the advance with a timing light.
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