[DMCForum] Re: No Power........STILL!!!
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[DMCForum] Re: No Power........STILL!!!



FWIW,

I concur with the two main themes of advice that have been offered up
so far:

1. Since you have replaced most of your fuel system components, you
are most likely out of adjustment. You should purchase or borrow a
fuel pressure test rig and just double check your control and main
line pressures. If they are good, hook up an analog dwell meter and
set your CO adjustment screw OR do as you have done, and unplug the
O2 sensor and run with the default while adjusting the CO screw.
The engine runs HOT when lean. Bill and I will attest.

2. Plugged cat. After you double check your pressures and dork around
with the CO screw, yank the muffler and either replace the cat or gut
it. WARNING: Not legal in some areas. Also may require historic/hot
rod plates to be exempt from emissions in some states.

Lastly, Louie is right. If you have a super-whamodyne vacuum leak
from hell, even if your fuel system is set right, the engine will run
lean so spray some ether or brake cleaner (CAREFULLY) around gasket
and hose mating surfaces. Also check the brake booster hose where it
attaches to the intake (front/right) and where it attaches to the
booster.

That'll hold ya for a day or two.

Rich A.
#5335



--- In DMCForum@xxxxxxxxxxxxxxx, "dmcstyle1983" <sky250r@xxxx> wrote:
> Hi everyone. First thing I want to say is, I love this forum. It
has
> been very helpful.
> Now on to my ongoing problem. When I rev the engine in my 83' it
> wants to "Bog" down like its running out of fuel. If I hold the
> throttle wide open, it will not rev much past 1500rpm. If I do this
> to long, the exhaust pipe just after the converter gets red hot.
This
> leads me to think the engine is running lean per lack of fuel. The
> car only has 19K, so I'm not thinking its a clogged converter. The
> car starts and idles great. Heres a list of what I have done so far
> and none of these items changed the problem.
>
> -Fuel accumulator- replaced
> -Fuel pump and new design P/U from Special T Auto- replaced
> -Inside of fuel tank cleaned and wiped out
> -Spark plugs and wires (8 mm)- replaced
> -Distributor cap and rotor cleaned and reused
> -Coil- replaced
> -Timing checked-OK
> -Unplugged o2 sensor and started engine- no change
> -Fuel distributor removed with air plate- cleaned plunger that goes
> through the center of fuel distributor
> -Unplugged warm up regulator will engine was running- no change
>
> It has been frustrating trying to find this problem. Any help with
> this problem will be greatly appreciated.
> Thanks
> Ryan


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