RE: [DML] Fuel Economy

["John Hervey" <john@xxxxxxxxxxxxxxxx>]

Jeff, be sure to not leave the Berryman's in over night. It's sometime to
good of a cleaner and can hurt the o rings.
John Hervey
www.specialtauto.com



-----Original Message-----
From: Jeff Phillips [mailto:jmanis2@xxxxxxxxx]
Sent: Tuesday, August 24, 2004 9:34 AM
To: dmcnews@xxxxxxxxxxxxxxx
Subject: [DML] Fuel Economy



Having recently been able to drive the DeLorean for extended periods
of time I've just noticed that I've horrendous fuel efficiency around
10 MPG.  My exhaust is extremely rich, so much so the fuel vapors
will cause your eyes to tear up, hence my ongoing investigation of
the CO2 adj.  Meanwhile I pulled the plugs to inspect them and to to
a compression check and expected all 6 to be saturated in fuel.  Much
to my surprise 4 were clean and tan in color but the two closest to
the firewall on the drivers side were wet with fuel.  I'm now
suspecting that the problem may be the injectors and took some of
Hervey's advise and poured in a bottle of Berryman 12 fuel cleaner
into the tank.  Only a half tank later I've seen remarkable improment
in my milage (on track for 20MPG) but the fuel smell hasn't improved
much.  I'll be pulling the injectors and inspecting the spray this
week as I suspect those two may not be closing fully and causeing
fuel to leak into the cylinders.

Am I on the right track with my assumptions?  Also, since my CO screw
is stripped I'm going to replace it with my newly pulled one.  Where
should I set the screw initially so I can adjust it to the proper
position?

Jeff
#10544



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