[DeTomaso] Hard Start Issue - The Final Solution

[Asa Jay Laughton]

Awesome write-up.  I recall finding a similar problem on my Mach 1 about 
30 years ago.  Now whenever I replace the cap and rotor, I check the 
mechanical advance.  :)

Asa  Jay

Asa Jay Laughton - W7TSC, MSgt, USAFR, Retired
&  Shelley Marie
Spokane, WA
******************************
http://w7tsc.org
http://www.teampanteraracing.com


On 3/5/2017 12:27 PM, Mike Thomas wrote:
> Some months ago I posted a help needed for a hard start issue I was having
> with 6328.  I was usually when it was hot, but not always.
>
> I had a number of helpful suggestions, many of which leaned towards it being
> a timing issue.  That was the route I went down to try to solve the problem,
> but it never quite did the job: I either solved the hard start but had a lot
> of pinging, or no ping and hard start.
>
> It was not until Doug Braun helped my dive into my MSD 8350 R2R that we
> found the problem - the mechanism that allows the mechanical advance had
> seized up, and would not allow proper advance as timing increased.  So, to
> get rid of the ping, I was trying to start the car at 32 degrees BTDC - no
> wonder it didn't like doing that when it was hot.
>
> Doug completely disassembled the dizzy, we used 000 steel wool to clean up
> the shaft and lubed it with silicon lube, reassembled with double roll pins,
> and it's now back in the car.  The tune to set the timing, once I realized
> the #5 and 6 plug wires were switched (DOH!) went very smoothly.
>
> Just got done from the first test drive and she's running better than she
> has in years, and three hot starts all on one flick of the key.  According
> to Doug, who has also used the MSD distributor, it ought to be rebuilt about
> once every five years so make sure the mechanical advance is working
> properly and the shaft is turning freely in the dizzy to allow the advance.
>
> Have a great weekend!
> Mike Thomas
> Pres., Panteras Northwest
> Yellow '74 #6328
>
>
>
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