OK, a guess. sometimes the "dots" on the timing gears are off. If lining
up the dots was used to set the cam timing, it could be off as much as two
teeth and still run, but would lope, like a performance cam, and get lower
fuel economy.
----- Original Message -----
From "Brent Wolf" <wolfbj at prodigy.net>
To: "Spridgets" <spridgets@autox.team.net>
Sent: Friday, May 17, 2002 4:56 PM
Subject: Point me in a direction (Long)
> Listers,
>
> Point me in a direction of things to look at please. Situation is this:
> I recently had my 1500 rebuilt due to blowing a head gasket. The head was
> warped and they did shave the head. When I reinstalled the engine, I also
> removed the heater - just incase this has an effect. The car has a weber
> downdraft and monza header.
>
> Before the rebuild the car ran very well, always cool (160 - 170), idled
> smooth, not great but good mileage (25-28), timing was set according to
> weber at 22 BTDC with vacuum unit disconnected, rpm solid at 950 rpm.
>
> After the rebuild/reinstallation. The engine runs rough. It seems to
lope.
> I have tried to adjust the carb and timing to smooth out the lope, to no
> avail. I am now back to the original weber installation setup that came
with
> the carb (timing 10 BTDC, Idle speed screw one turn from contact, and idle
> mixture 1/16 back from rpm reduction point.) idle speed is lopey at 950.
>
> The engine also heats up. I know that some heat up is expected until the
> engine is worn in, but this seems to be excessive. I have about 250
miles
> on it since installation. Even just sitting at idle it will heat up. I
have
> been careful and shutting it down before 200F. Fluid level is fine, fan
> clutch replaced (was not the problem). I do have an oil cooler installed.
> Radiator was cleaned/flushed. Again I point to the removal of the heater
> while the engine was out, (but I never used the heater before). If the
air
> is cool and I am driving in the evening for example and the engine
> temperature starts to creep up, and I drive through a noticalbe change in
> Ambient temperature, I can watch the engine decrease. It will cool right
> down to the thermostat setting (160). then start to heat back up.
>
> The engine does not seem to lack any power. There is a very noticable
> decrease in mileage (like 18 - 20).
>
> There are just to da** many conflicting indicators. The lope at idle,
> increased engine temp, poor mileage (I know I can smell gas - its not
> leaking - that is how rich it smells,
>
> Any pointers, directions to look, tests to conduct, etc. would be greatly
> appreciated.
>
> TIA
> Brent
> 76 Hot Lopey Midget
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