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  #1  
Old 08-10-2009, 02:50 PM
serczh1 serczh1 is offline
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inline 300 6 cyl split manifold, no power

Ok, clutching at straws here.
Inline 300 6 cylinder, 1979 F250 4wd
Just R=R'd split manifold, (the bane of my life), new plugs, wires, cap/rotor.
Compression test was better than expected.
Starts good, idles good.
Can't get it over 45 mph in 4th, in fact it slows down.
When I let off the gas, it will give a small surge, but then dies out again.
It goes downhill ok.
I am wondering about timing?, Vacuum advance? Read that advance is taken care of by the ignition module?

My friend and companion for 28 years now.
Nobody knows Jack around here.
Any thoughts? Hep me please.
If I'm in the wrong part of the forum, please redirect me.

Last edited by serczh1; 08-10-2009 at 02:53 PM. Reason: adding
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Old 08-10-2009, 03:16 PM
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Furyus1 Furyus1 is offline
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Sounds like a carb issue to me... How's the choke?

On a side note, what part of Idaho are you in? I've got an Econoline sitting in my driveway with a 300 that's going to get hauled off to a junkyard sometime here soon if I can't find someone to give it a good home or is willing to take it for parts...
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Old 08-10-2009, 03:18 PM
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Bullitt390 Bullitt390 is offline
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What is you initial timing set to?

Where do you have the vacuum advanced hooked up?

It sounds like you need more advance. The module "retards" the timing only during starting to help the engine crank over easier. Once you let off the key to "run" the timing is whatever you set it to.

Josh
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Old 08-10-2009, 08:13 PM
serczh1 serczh1 is offline
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All in the timing !!!

Yahoo, I got it.
I was reading about setting the timing and I noticed that the vacuum line needs to be disconnected and plugged for setting the timing.
That totally changed everything. (It was like 5 degrees After TDC).
I was able to drive up Phantom Hill and actually had to slow down for the tourists ahead. Normally it's a crawl up.
Read the directions lol

BTW it's set 6 BTDC, now.

And I'm near Sun Valley, I would love to check out the econoline, but am getting tossed out of our trailer park by the new owners and haven't worked since November. So getting my vehicle dependable is top priority. I can live in the back of the truck till the snow gets deep. lol
Thanks for the info guys.

Chuck arppworks.blogspot.com
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Old 08-10-2009, 08:38 PM
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I can't figure out if this is a happy, or sad story.
Glad to hear the truck is running well.

Good luck!
Murph.
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Old 08-10-2009, 09:10 PM
serczh1 serczh1 is offline
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Hey, having a vehicle that i can stay in and fix myself is worth more than money in the bank.
Life is all about how you look at it.
Here's my view. arppworks.blogspot.com

Thanks y'all Chuck
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Old 08-10-2009, 09:17 PM
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Whatever you do don't sell the truck!

Hope things work out well for you.

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Old 08-12-2009, 01:09 PM
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Glad that fixed it for you, but sorry to hear about the no job. I know how that goes.

At least you don't have to worry about emissions like we do here in Boise. Fortunately, the split manifold setup with the 1bbl, no smog pump, and no EGR valve actually passed on mine.
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Old 08-12-2009, 01:09 PM
 
 
 
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