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06-23-2003, 06:57 PM | #1 |
Hotwheels?
Join Date: Dec 2002
Location: Pleasant Hill, CA
Posts: 1,145
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Truck wont start! HELP!
Ok, I changed my cap and I was starting to change my wires but the POS's dont wanna work with me so I am gonna return them and get some premade ones. Anyhow, I put EVERYTHING back to normal and now the POS is backfiring through the carb.
Its HEI ignition and I have the #1 cylinder on the first left prong to the left of the part that sticks out of the HEI. Isnt that where its sopposed to go? can anybody help me? I can get this sucker to start and I cant have it down. Its my daily driver. Ive never had this bad of luck trying to do a simple tune up!@ ARGGG!!!
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1978 Money Pit - CUSTOM DELUXE!!!! |
06-23-2003, 07:21 PM | #2 |
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Join Date: Mar 2003
Location: ** THE FALL GUY **CHICAGO IL
Posts: 5,883
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sounds like you got the wires crossed
1-8-4-3-6-5-7-2 fireing order rotor turns clockwise start at #1 first plug on drivers side #2 first plug on pass. side |
06-23-2003, 07:22 PM | #3 |
Registered User
Join Date: Mar 2003
Location: So.Oregon
Posts: 765
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Ok number one on the cap is in the front driverside. it sounds like you have it wired up wrong. from clockwise the firing order on the cap is 18436572
driverside head 1357 passenger side 2468. Hope this helps you out. |
06-23-2003, 07:33 PM | #4 |
Hotwheels?
Join Date: Dec 2002
Location: Pleasant Hill, CA
Posts: 1,145
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Nope, everything is wired the way it should be. I dont know what the hell is wrong and its really starting to make me mad.
I put everything back to the way it was and its still backfiring. I didnt mess with timing one bit.
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1978 Money Pit - CUSTOM DELUXE!!!! |
06-23-2003, 07:38 PM | #5 |
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Join Date: Mar 2003
Location: So.Oregon
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you have a new cap and rotor. check and make sure the little button in the cap isnt messed up.
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06-23-2003, 07:49 PM | #6 |
Hotwheels?
Join Date: Dec 2002
Location: Pleasant Hill, CA
Posts: 1,145
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checked that. I even tried putting the old cap back on. Nothing, still backfires. Do you think my main unit in the dist. could have gone out? It was lookin kinda sad.
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1978 Money Pit - CUSTOM DELUXE!!!! |
06-23-2003, 07:57 PM | #7 |
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Location: ** THE FALL GUY **CHICAGO IL
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if you changed the coil,,in the cap..start there...take it back off and make sure the terminals are not bent or crossed...
its got to be something that you worked on .. wish i were there to help.... |
06-23-2003, 08:06 PM | #8 |
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Join Date: Mar 2003
Location: So.Oregon
Posts: 765
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Ya i would have to agree check over the coil and make sure all the stuff is in the right place make sure wires arent cut crossed. also make sure the cap is set flush on the dist i have been in a hurry sometimes and did that.
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06-23-2003, 09:54 PM | #9 |
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Join Date: Oct 2002
Location: Elkhart, IN
Posts: 6,400
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you say you're positive its not the wire routing, just for kicks and giggles, take them off, and run them again. i've crossed them up more than once, even when i was positive that they were right. its very easy to do, and i bet that 95% of us that have changed plug wires have done it at least twice.
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06-23-2003, 10:48 PM | #10 |
Robert Olson Transport
Join Date: Oct 2002
Location: recent transplant to NC USA
Posts: 20,301
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yeah go over the wiring one more time by taking em all off and then resetting them then look at the coil if itstill dont fire up
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Bob 1951 International running on a squarebody chassis "If a man's worth is judged by the people he associates himself with, then i am the richest man in the world knowing some of the fine people of this board" http://67-72chevytrucks.com/vboard/a...t.php?f=25&a=9 (you can review the site rules here!) PM Me for your vehicle/parts hauling needs in the North East US or see my Facebook page Robert Olson Transport Live each day to the fullest.. you never know when fate is going to pull the rug out from under you... I hate cancer!! |
06-24-2003, 12:32 AM | #11 |
Join Date: Jan 2003
Location: Modesto, CA
Posts: 1,321
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When it backfires through the carb, that means the ignition is 180º off. Take out the distributor and flip it around. Or, if it was running prior to the wire swap, just flip the wires around.
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