1990 notchback lack of power issue - Mustang Evolution

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Old 02-20-2013, 11:40 AM   #1
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1990 notchback lack of power issue

I was wondering if anybody has experianced this themselves ive got good fuel pressure great compression on all cyclinders good spark I have to run my car at 20 degrees timing for it to not fall on its face but im still having a lack of power issue although it is stock it just doesnt have that get up and go that a 302 notch should have if anybody has any clues or exp with this please help because im running low on ideas thank you

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Old 02-20-2013, 07:47 PM   #2
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start with the basics, check for vacuum leaks, coil output, etc. also when you advanced the timing, did you disconnect the spout connector? if not then you dont really have 20 initial timing as the computer is correcting it to factory specs.

if these check out, then start looking for something like a bad cam lobe, pull the codes from the computer and do the tests indicated by the shop manual. also check ALL your electrical connections for cleanliness and proper connection. remember to use the dielectric silicon recommended by ford on the connectors after you clean them.

clean the throttle body and the injectors. check the plug wires for proper resistance. make sure your valves are not adjusted too tightly.
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