Jim- it could be one of several things, maybe even the filter starting to get
plugged but check for a vaccum leak first. Something simple and easy as the
servo hose or the vaccum advance on the dizzy(if your car is so equipped) may
have a crack in an old hose and be sure the carb nuts are tight.It could be
from the carb(the idle circuit) to any ignition item but start with the simple
things. I, personally dont think it is heat related unless the rings are shot
and Im sure you would be seeing blue smoke if that was the case.
Tony
--- On Thu, 5/12/11, James Lindner <jliny5@cox.net> wrote:
> From: James Lindner <jliny5@cox.net>
> Subject: [Tigers] Stalling at idle
> To: tigers@autox.team.net
> Date: Thursday, May 12, 2011, 1:54 PM
> Hello All,
>
> Yesterday after a short 20 minute drive I noticed some
> coolant on the garage
> floor from the expansion tank so I checked the temp with a
> laser thermometer.
> It measured 214 on the manifold near the temp sender and
> thermostat. I did
> some tweaking (a thanks to Tom Parker) which included
> tightening all hose
> clamps and tightening the fan belt. For background, my 260
> has the the LAT 1
> Induction system and the LAT 20 perfromance cam. I have a
> stock radiator, horn
> hole covers and a 6-blade fan.
>
> Today, to check on my tweaks I took it for a longer ride,
> almost one hour. It
> included highway and traffic, in fact I got caught at a RR
> crossing for 5
> minutes. When I got home I noticed the engine was running a
> bit rough at lower
> RPMs. I let it idle in the garage but it stalled after
> about a minute. I
> started it up again (a couple of tries--usually turns over
> first time). I let
> it idle but again it stalled. Did it again, this time I
> increased RPMs to see
> if it was getting fuel...revved up fine. Brought it back
> down to idle and it
> stalled again after a bit.
>
> I checked the temp readings again with laser thermometer:
> 214 at Temp sendr,
> 208 @ thermostat, 214 @ radiator, and 198 @ expansion tank.
> No fluid on floor
> from expansion tank.
>
> Sorry for the long-winded explanation...here is my
> question.
>
> Is this heat related or do you think it is something with
> the carburator. I
> lowerd the idle last fall because I thought it was idling
> too fast...now after
> operating for a while it stalls.
>
> OBTW...it was a beautiful drive and the car ran fine.
>
> Thanks
>
> Jim Lindner
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