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02-08-2007 10:38 PM #1
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- Feb 2007
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- pontiac
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- 1
destroked 400 is running backwards
if anyone can shed some light on my dieseling (motor running backwards) i am willing to listen. i have had the timing checked distributor too carb tuned and it still does it 7 out of ten times i shut it off. i don't know where to go from here!
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02-08-2007 11:09 PM #2
CHR Member/Contributor
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- Jun 2004
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- Auckland
- Car Year, Make, Model: 69 Holden HT
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- 818
Clean out all the combustion chambers of carbon ?"aerodynamics are for people who cant build engines"
Enzo Ferrari
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02-09-2007 05:04 AM #3
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- Jan 2007
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- Circleville
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- 212
If it is a recent build,what compression,what cam specs,was cam installed straight up,what timing,what fuel octane you got? There are guys on here that can give you some help but these things will need to know.
If not a recent build then southerner may have the ticket.Last edited by FAYLUR; 02-09-2007 at 05:08 AM.
"On a r-e-e-e-e-al,,,,qu-i-i-i-i-i-et night,,,,,,,,(whisper),,,,,,,, you can hear a Ford rust!!!" 
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02-09-2007 05:12 AM #4
CHR Member/Contributor
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- Jul 2003
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- Madison
- Car Year, Make, Model: '67 Ranchero, '57 Chevy, '82 Camaro,
- Posts
- 21,160
Lower the idle speed, or use an idle solenoid that is energized when the engine is running, and off when the ignition is turned off. If the throttle blades aren't going completely shut when you are at idle, it can cause the engine to diesel. There is also the old trick of enlarging the air bleed holes in the throttle plates, this will increase the air flow at idle, and allow the idle screw to be adjusted so that the throttle blades are completely closed.....Last edited by Dave Severson; 02-09-2007 at 05:45 AM.
Yesterday is history, tomorrow is a mystery, Live for Today!
Carroll Shelby
Learning must be difficult for those who already know it all!!!!
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02-09-2007 05:34 AM #5
CHR Member
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- Sep 2005
- Location
- Three rivers
- Car Year, Make, Model: 66 Nova SS 4 speed
- Posts
- 372
Are you running a hot plug?
www.adoptafriendforlife.org
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02-09-2007 09:48 AM #6
CHR Member
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- May 2004
- Location
- so.cal
- Car Year, Make, Model: 66 c 10 fleetside longbed
- Posts
- 1,942
If the cam duration is over 300 degrees @.050 .
....you need to spin the motor first and then turn on the ignition,.
....running backward will kill that thing in short order!!!!!
Its gunna take longer than u thought and its gunna cost more too(plan ahead!)
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Visited a family member at Dockery Ford from the time I was 1 year old through their ownership and then ownership change to Morristown Ford. Dockery was a major player in the Hi Performance...
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