[DeTomaso] Timing Problem

[Art Stephens]

     Even if I screwed up the valve adjustment,  that should have no affect 
on ignition timing should it?

Thanks,
Art




----- Original Message ----- 
From: "Art Stephens To: List-Subscribe:" 
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Sent: Saturday, March 01, 2008 2:13 PM
Subject: Re: [DeTomaso] Timing Problem


>     It passed the straw test.  So it does appear that 0 degrees on the
> timing mark is in fact TDC on #1.
>
>
>
>
> ----- Original Message ----- 
> From: "Art Stephens To: List-Subscribe:"
> <artstephens at charter.netdetomaso@realbig.comhttp://list.realbig.com/mailman/listinfo/detomaso>;
> "Sender: detomaso-bounces at realbig.com"
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> Sent: Saturday, March 01, 2008 1:35 PM
> Subject: [DeTomaso] Timing Problem
>
>
>>     I adjusted my right side, (1-4), valves on my hydraulic roller cam
>> engine with adjustable roller rockers.  I had the distributor cap and
>> wires off during the project.  Now my timing is all screwed up.  My 
>> timing
>> light shows that I am way retarded and the engine now runs bad where it
>> ran smooth before the work.  I am stumped!  I didn't touch the 
>> distributor
>> adjustment.  I have the MSD adjustable timing control.  I thought I had
>> the distributor set a 16 degrees BTDC.  That is not what I am seeing. 
>> The
>> light shows 10 -15 degrees ATDC?  With the engine not running,  the rotor
>> is pointing to the #1 terminal on the cap as the balancer shows 0 degrees
>> advance.  I disabled the adjustable timing control to see if it was the
>> problem and I saw no improvement.  I am going to go get a plastic straw
>> and stick it down the #1 cylinder and see what the timing mark on the
>> balancer shows with the piston at TDC.  I took the Duraspark II
>> distributor apart and could find no problems.  The distributor gear
>> appears to be pinned in its proper place.  Spark plug wires all appear to
>> be going to the correct cylinders.  I thought it must have been something
>> stupid I did,  but I can't figure it out.  It has a new harmonic 
>> balancer.
>> The only thing I can think of is that maybe one of the timing gears has
>> moved on its shaft?  Help!
>>
>> Art
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