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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

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  #16  
Old 04-09-2011, 08:14 PM
Eddiec1564 Eddiec1564 is offline
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Interesting reading there Syfox10.
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  #17  
Old 04-09-2011, 09:20 PM
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yeah, that whole site is pretty cool, it has a lot of information on various techniques on saving fuel, and why the do or don't work. There are a lot of useful "tidbits" there.
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  #18  
Old 04-11-2011, 12:31 PM
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If you want to make your 300 more powerful, here's what you do!

Rip it out and instal a 390.

There you go! Three times the power!
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  #19  
Old 04-12-2011, 07:25 PM
Thrasher49 Thrasher49 is offline
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I appreciate everyone's advice! I think I am gonna throw a 460 in there. I was playin' with my dad's Bronco with the 302 and you just can't beat the sound of a V8 and the power of a big block. Here's my next question. Like I said, I wana throw Ford's 460 big block in there. What all would I have to do? New engine mounts and a transmission?
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  #20  
Old 08-24-2012, 12:05 PM
jeffbjones62 jeffbjones62 is offline
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pc. of ****

I have 92f150 300 6cyl. My problem is very high idle & over htg. It all started after it started running very sluggish one day . I did a tune up Plugs,wires Dist. cap, rotor button,filters,etc. didnt help. Replaced fuel pump,fuel filter checked vac. hoses ok. took intake off cleaned good. now runs great except very high idle & over heats . took t-stat out still over heats. whats wrong. Replaced air bypass valve , switched egr valves with another i had. could a chk valve be clogged causing these problems. the chk. valve down line from egr .
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  #21  
Old 08-24-2012, 10:25 PM
Truckin Bob Truckin Bob is offline
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Quote:
Originally Posted by jeffbjones62 View Post
I have 92f150 300 6cyl. My problem is very high idle & over htg. It all started after it started running very sluggish one day . I did a tune up Plugs,wires Dist. cap, rotor button,filters,etc. didnt help. Replaced fuel pump,fuel filter checked vac. hoses ok. took intake off cleaned good. now runs great except very high idle & over heats . took t-stat out still over heats. whats wrong. Replaced air bypass valve , switched egr valves with another i had. could a chk valve be clogged causing these problems. the chk. valve down line from egr .
jeffbjones,

It's probably best to start your own thread about your problem(s), more viewers, and of those that are viewing, you'll most likely have a very knowledgeable (expert) person help you out.

That said, I think you're suffering from a pretty massive vacuum leak, which in turn, is causing your truck to run WAY too lean. Lean motors run hot.

Start a new thread and see where it goes.

Bob
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  #22  
Old 08-25-2012, 12:05 PM
jeffbjones62 jeffbjones62 is offline
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OK THANKS Truckin Bob
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  #23  
Old 08-25-2012, 12:18 PM
jeffbjones62 jeffbjones62 is offline
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1992 F-150 2 WD 6Cyl. inline 300

Truck started running very sluggish one day. i did tune up. Plugs,wires,dist. cap,rotor button,all filters,etc. changed egr valve,air idle valve took off intake cleaned real good. finally got it running good but now over heats and very high idle. please help ready to use it for target practice.
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  #24  
Old 08-25-2012, 12:35 PM
Truckin Bob Truckin Bob is offline
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Quote:
Originally Posted by jeffbjones62 View Post
Truck started running very sluggish one day. i did tune up. Plugs,wires,dist. cap,rotor button,all filters,etc. changed egr valve,air idle valve took off intake cleaned real good. finally got it running good but now over heats and very high idle. please help ready to use it for target practice.
Ummmmmm Jeff, you're still in this thread.

Go to the page that has all of the topics listed, then click on "New Thread", give it a title, and then post your question.

Bob
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  #25  
Old 08-25-2012, 12:43 PM
jeffbjones62 jeffbjones62 is offline
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OK Thanks Bob Im new at this if you cant tell
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Old 08-25-2012, 12:43 PM
 
 
 
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