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#1
03-27-2006, 07:56 AM
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Lession learned
For those of you that have been following my story of trying to get the 73 450sl timed to factory spec. It has now been achived.
Vacuum,vacuum , vacuum, Putting all new vac lines on the car I still could not get 5*atdc. I checked vac at manifold 13#s, check vac at throttle body 8#s. Pulled vac line of HVAC cross-over valve, WOW idle went way up. Check vac again, now 19#s at manifold and 14#s at throttle body. I still could not get the vac retard on dist.. to work. I found that the vac line was too small. so I installed smaller line and wa la, the vac retard works. Adjusted timing to 5*atdc. Runs great,no miss and just purrs.
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Stable: 1973 450sl 1978 red diamond ice vette 1975 steel blue convertable vette 2002 steel blue dakota quad. 
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#2
03-27-2006, 10:00 AM
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now
i would find a non smog dist and get rid of that vac retard retard.
it will come alive tom w
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.  [SIGPIC]..I also have a 427 Cobra replica with an aluminum chassis.
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#3
03-27-2006, 10:10 AM
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SORRY-I just noticed a mistake. "the vac line was too small" I meant to say the vac line was too large.
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Stable: 1973 450sl 1978 red diamond ice vette 1975 steel blue convertable vette 2002 steel blue dakota quad.
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