Sounds like your valves are too tight.


My 76 300D gets to where it really does not want to start up even at 50 F even with the block heater plugged in. It cranks pretty good and tries to start but often takes several tries and runs pretty slow until it really gets going. I know you folks have told me I need to check my valve adjustments but have yet to do it. It runs fine in warmer weather and I rarely need to run it in the cooler weather so it has not really caused me much grief. It sounds like it is not hitting on all cylinders and I have to keep the starter cranking longer than I like so I am concerned that I may do some ultimate harm to the starter. Maybe, if the weather holds for another week or two, I will pull the cover and have a go at it. I put the car in the garage last night and it may well stay there until spring. The insurance has been changed to storage only so I cannot drive it now in any event.

Randy in the GWN

On 02/11/2010 9:43 PM, OK Don wrote:
The 617 in the '76 300D started great with M1 at -5, but would hardly crank
with dino oil without the engine heater.
ou are right - the 60x engines are a whole different story - great engines
all around.

On Tue, Nov 2, 2010 at 11:31 AM, Curt Raymond<curtlud...@yahoo.com>  wrote:

Uhhhh, no. BTDT got the t-shirt. At -10F a 616 is iffy, at -20F it will not
start Mobil 1 be dammed. That was with my '83 240D, the starter just can't
spin the engine fast enough long enough to start at that temp.

60x engine is a whole different story.

-Curt

OK Don
2001 ML320
1992 300D 2.5T
1990 300D 2.5T
1997 Plymouth Grand Voyager
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