Diesel RVs: 06/01/18

[diesel_mercedes] Cam Timing & Fuel Economy

Been thinking about this......

It's the same cam and chain as before, new tensioners etc. of course along with all new cylinder sleeves and pistons, bearing shells and so on .

It got slightly better fuel economy before when it was smoking like a train and covering the cove with Diesel smoot and oil......

Sigh .

-Nate

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Posted by: vwnate1@yahoo.com

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[diesel_mercedes] Dropping Fuel Economy '84 300CD Slushbox

Thanx Mark ;

As it turned out, the shop that rebuilt my 300CD's engine mis timed the IP, a bit late, I hope that didn't damage anything, as I said it runs out very sweetly now but I'm still fooling with it .

I plan to take it on a one day road rally this Sunday, see how she goes .'

-Nate

Mark wrote :

You should also check the cam timing, even on a freshly rebuilt engine. Doing it by the lines on the cam to the cam tower verses the crankshaft pulley to the pointer is a good start, but much, much better is to actually "degree" the camshaft. For those unfamiliar with the procedure:

http://www.cranecams.com/uploads/instructions/803_.pdf

It's almost a guarantee that any engine with a timing chain and over 50,000 miles on it will have retarded camshaft timing.

Mark in Centennial, CO

On May 31, 2018 at 7:40 PM "vwnate1@... [diesel_mercedes]" <diesel_mercedes@yahoogroups.com> wrote:
Yeah, me too Mark .

Sigh .

I ca, it's not terribly difficult, I made my self a timing drip tube and did it on this car before when I installed the 1985 300SD's injection pump from a nice car that was rear ended .

The 240D's fuel economy stinks too, it's only 24 ~ 25 MPG's after I bankrupted my self rebuilding the engine and tranny .

-Nate
Mark wrote :

I think we should both get the timing on our engines checked.

-- Mark L. Bardenwerper, Sr. Technology...responsibly, thoughtfully