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Old Feb 8, 2007 | 01:17 AM
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wheily
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timing

i have a88 ford f150 5.0 auto w/od. recently i noticed when the truck is warmed up 190% it pings each time it shifts the timing is right at 10%b. what could be causing this ? ido have a muffler deleate in to a 3inch stack and the fuel pressure is at 35 psi dont no if thats were it should be . i have cleaned the iac and both cats, are new also at idle every once and awhile it will get real rough sounding (truck gets the shakes). thanks for the help
 
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Old Feb 8, 2007 | 06:05 AM
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From: Easton,Ks
Did you pull out the SPOUT jumper when you set it at 10*BTDC?
Idling at 35 PSI is OK.
Lift the hood at night in the dark and see if you see sparks jumping.
 
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Old Feb 8, 2007 | 05:40 PM
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what is the spout jumper i didnt see a vacum line so my brain went in to limp mode and i did it as it sits
 
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Old Feb 8, 2007 | 06:09 PM
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From: Easton,Ks
Originally Posted by wheily
what is the spout jumper i didnt see a vacum line so my brain went in to limp mode and i did it as it sits
You must pull the SPOUT jumper or the timing will be way off.

SPOUT - Spark Output Signal from EEC

88 Spout:
http://i54.photobucket.com/albums/g9...out88small.jpg
 
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Old Feb 9, 2007 | 02:25 AM
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thanks for the help and link
 
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