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  #1  
Old 08-13-2021, 03:45 AM
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1984 300D TURBO NO START AFTER REPLACING THE TIMING CHAIN?

Hi Everyone,

I got stuck in a loop here. I own a 1984 300D Turbo, which has 390,000 miles currently. It used to blow white and blue smoke, but I replaced the head gasket, rebuilt the head and changed the timing chain. While replacing the timing chain, I did not remove the vacuum pump, and the vacuum pump sucked the timing chain on feeding the chain. I'm not sure if it threw the injection pump out of timing doing so.
Unfortunately, the car will not start.omegle xender

(I). I rechecked the valve gaps, and they all appear to work within the specs.
(II). The compression on all of the cylinders is within 360-380.
(III). I timed the crank and the cam, and the markings are perfectly aligned. (see pictures attached)
(IV). I primed the fuel pump and concluded there is no air in the fuel lines.

The only success I've had is that the car ran once for about 2 seconds before dying. I am confident that I have over-fueled the cylinders. I can check the timing with the drip method at 24 BTDC. I'm unsure if I should remove the delivery valve spring in the 617 Engine. I recall reading a thread on the Pelican Forum that suggested removing the delivery valve spring on the 615/616.

What should I be doing to get it up and running again? Any feedback would be appreciated.


Last edited by HardernTim; 08-16-2021 at 01:17 AM.
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Old 08-13-2021, 11:11 AM
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Location: Calgary Alberta Canada
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You may wish to look through this thread.

Fuel Injection Pump Removal with the Oil Filter still on 617.952
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Old 08-13-2021, 03:55 PM
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Drip time it. Yes, remove the delivery valve. Confirm that both camshaft lobes on cylinder #1 point upward while doing this.

Your compression #'s are excellent.

Good luck!!!

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