i read it as the car is running very roughly on start up. after it is warm it is better but still running roughly. not on all cylinders.

stenne, do you push the throttle pedal down a bit on start up? if not try doing that. it is recommended at all times on these v8 equipped cars. it should help.

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.