Yeah I should get that thing and try it out. I have a 12-2 mtg on
Thursday so can't make lunch then but we can get organized at some
time. I guess I should just put it back together and see how it runs,
then deal with the plugs if it doesn't run well.
--FT
On 2/27/18 11:11 AM, Meade Dillon via Mercedes wrote:
Have you tested the GPs? I've got an ammeter rigged up with heavy wire so
you can watch the current spike and then drop as they heat up. We should
do lunch, maybe Thursday, and I can loan you the tool.
Drop off the manifold for a hot tank dip to clean it out? I wonder if Star
Motors has one, Simmons Machine Shop is also on your side of the rivers and
they've got one for sure. Personally I don't think that is required in
most cases, but for piece of mind it would be fun. My old 123.190 had a
really gunked up intake manifold, but the stuff would slowly migrate to the
intake valves and so occasionally it would suck in a bit, and expel chunks
out the exhaust while sounding pretty rough and missing a bit.
-------------
Max
Charleston SC
On Tue, Feb 27, 2018 at 10:30 AM, Floyd Thursby via Mercedes <
mercedes@okiebenz.com> wrote:
So I took off the manifold and cleaned up the EGR and got it working OK
(at least it opens and closes with vacuum, not sure if the car systems are
working to make it do that). It was throwing EGR and glow plug codes, I
read some other reports that suggest the EGR might somehow lead to the
generation of GP codes, so if that is the case then I probably wouldn't
need to fool with the GPs. Not sure why bad GPs would make the car run bad
once it starts anyway, it starts mostly OK with a good charge on the
battree so that suggests the GPs might be mostly OK too.
There is also a bypass method to jumper some wires on the EGR so it won't
be EGRing and doing all that business, I might do that too if the car still
doesn't run right.
I have not put the manifold back on yet, I was waiting to get some Kroil
and keep dosing the GPs with it, but the suggested procedure is to run it
and get it hot to make them easier to get out, which means the manifold
needs to be on there for the car to run, and it would have to come off a
hot engine which would not be a lot of fun, but it is mostly easy except
for the clamp holding the turbo output tube onto the manifold.
Albore's LIST MOM's opinion aside, I guess I should just put it back
together and see if it runs better now, and if it does then not fool with
the GPs. I'd have to do that anyway, so I guess I will.
BTW the EGR was completely buggered up with diesel soot and crud, took a
lot of scraping and brushing with little wire brushes and degreaser to get
it clean. I put some purple degreaser stuff in the manifold and let it sit
for a coupla days, not sure that loosened anything out of the manifold, but
I managed to scrape some stuff from the ends I could reach. What I poured
out was pretty nasty though, so maybe something came out of it. If I had a
pressure washer I probably could have blasted a lot out. It is not
completely clogged so I think it will be OK. The EGR concept is completely
stupid.
This was something of a pointless sharing, but I guess it got my thinking
thought through.
--
--FT (who likes the recent local warming thought it is making the tree
pollen go crazy now, and my respiratory system go crazy)
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_______________________________________
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--
--FT
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