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Unread 10-21-2013, 02:55 PM   #16
super98lsc
Web Wheeler
1999 WJ 
 
Join Date: May 2006
Location: Austin, TX
Posts: 1,414
Flip just the air cleaner lid over and try it. It will allow air in 360 deg around tge filter bypassing the snorkel. If runs better you confirmed your air inlet tube is blocked.

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Unread 10-21-2013, 03:28 PM   #17
Gante
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Join Date: Mar 2013
Location: Whittier, CA
Posts: 175
Quote:
Originally Posted by super98lsc
Flip just the air cleaner lid over and try it. It will allow air in 360 deg around tge filter bypassing the snorkel. If runs better you confirmed your air inlet tube is blocked.
I have tried this but it does not seem to make a significant difference. This is very frustrating and It is getting to the point that I feel that I almost run out of battery juice (keep in mind that I have a brand new battery) before I can turn the truck on.
I have not adjusted the timing as someone here suggested, that would be my next step.
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Unread 10-22-2013, 01:37 AM   #18
carnuck
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1984 J-Series Truck 
 
Join Date: Nov 2004
Posts: 3,212
Is there anyone in your area with experience tuning of old carbed Mustangs with V8s? Essentially the same carb. Look for vacum leaks too.
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Unread 10-31-2013, 11:51 AM   #19
Gante
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Join Date: Mar 2013
Location: Whittier, CA
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The more I read and learn about his issues, the more I am inclined to think that my problem may be related with the vacuum system on my car. I had at least one leak through the 4x4 selector switch and one of the mechanics I used in the past disconnected something in the engine bay to plug the vacuum at the 4x4 selector. Maybe that may have impacted other things and possibly the "vacuum advance" on my distributor?... Anyway, it sounds like I will have to meticulously check and replace all the vacuum system hoses.
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