Down on power... - Team Camaro Tech
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post #1 of 4 (permalink) Old Apr 19th, 03, 05:04 PM Thread Starter
 
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I decided today to change the plugs on my '86 El Camino that I just bought last week. I got under the hood and noticed that the plug wires on the dist were not in the correct firing order. Strange I thought, since the car ran well, a slightly rough idle but nothing bad. I change the plugs and put new wires on, in the correct order. It starts fine, but idles fast and seems down on power. I park it, check under the hood to see if I might have pulled a vaccum hose off. Start it again idles seems normal but on starting if bounces around under 500rpm for a sec. Again it still seems under powered but drives fine. Does anyone have any ideas? Why were the plugs wires not in the correct postition and why did it run ok, and even got 16.8 mpg last fill-up? I'm at a loss.

1986 El Camino
305 w/ Q-jet
Stock with all smog

Dustin
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post #2 of 4 (permalink) Old Apr 19th, 03, 05:26 PM
DjD
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Dennis
 
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Can you explain the part about the wires not in the right firing order? You make it sound like it ran better before you changed the wires. The firing order is 1 8 4 3 6 5 7 2, even cyls on the passanger side front to back 2 4 6 8, odd on drivers side front to back 1 3 5 7.

You need to verify that TDC (top dead center) on the number 1 cyl puts the rotor lined up with the #1 wire on the cap and then go clockwise around the cap and verify each wire goes to the proper cyl.

At best you have 5 & 7 swapped now, at least thats my guess...

...Dennis

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post #3 of 4 (permalink) Old Apr 20th, 03, 01:52 AM Thread Starter
 
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I started to take the wires off when I noticed that the wires were not on the cap in the correct sequence. By the time I noticed this, I had already removed 4 or 5 wires so I am not sure the exact order they were in. It did seem to have more power before, but idled rougher.
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post #4 of 4 (permalink) Old Apr 20th, 03, 11:29 AM
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I think you need to do a tune up before figuring whats the results. Timing, carb and even the valves for best results.
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