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post #1 of 1 (permalink) Old 08-28-07, 01:16 PM Thread Starter
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confused 86 Ranger timimg problem?

Ok so here is the cliff notes version of what has gone on. The engine was dissembled in January for rebuild, after forgetting about our engine for 2 months they quickly got it back to us. Much to my dismay they had tossed my cam gear, belt guide and bolt in the trash with the old cam. So it took several months to locate these obsolete parts on Ebay, after which I finally got to finish it 6 or 7 months later (it sat all those months partially assembled).

So I put it in yesterday, and got it running aside from a slight surge at idle it ran geat (I even drove it around town a little). But ever since yesterday I has progressively run worse and worse. Now it won't hold a steady idle nor will the timing stay consistant it seems to constantly move around., and I set the base timing just as the book said disconnect the spout connector and set to 10 degrees BTC (I think thats right?) Off start up it is ok (runs good and smooth) however as it gets hotter and runs longer it acts up it will shake and surge pretty bad, sometimes it smooths out sometimes it just dies.

I have checked for vac leaks found the EGR to be a bit of a leak so I completely blocked it off (it was not hooked up anyways), and plugged its vac line.

So I guess my questions are these does the EGR really have that much effect on the engine, and do I need to hook it back up?

Or is there sme part of the timing system that might need eplace (ie. hall effect switch or the other module on the distributor)?

Or am I just missing somthing really simple or do these trucks have a weird quirk that I'm just missing?

I'm a big truck diesel tech so it's been quite sometime since I have worked with gas engines.

Any help would be greatly appreciated.

travi80 is offline  
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