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Joined: Aug 2008
Posts: 76
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Aug 2008
Posts: 76 |
I worked on the 28 today and got it running real good, finally! After purchasing all new ignition parts...and still no progress, I almost came to the conclusion that it was my carb. (It seemed to run good at an idle but would run crappy when you gave it any fuel.) And then I decided to short out my plugs to see if it made a difference in the way it ran... no change on 1 and 4 so I switch the wires and she really came to life! When I changed the wires and cap, I just put them back the way the came off. It was right there under my nose the whole time!
After she warmed up, I took it off the jack stands and went for a spin about a half mile down the road. I then came back and let Dad drive, we went to his house, about a mile down the road and it over heated?! I let it cool down and filled it back up and it drove about another 4 miles and hasn't overheated again? Not sure what that was all about?
Right before I parked it again, it started running alittle rough. I think it might be low on fuel or some dirt got up to the carb.
I feel silly that it was as simple as the plug wires and I failed to double check them. But that is how we, or atleast I, learn! and I have lots of spare parts!
I bough two sets of plugs? Are most people running the adapters?
Thanks Baldwin
David Baldwin
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Joined: Sep 2008
Posts: 1,049
ChatMaster - 1,000
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ChatMaster - 1,000
Joined: Sep 2008
Posts: 1,049 |
David
sound great! try autolite 3077 plugs I use them in my 27 171 4 cylinder.
watch out for overheat make sure timing good.
best of luck to u
Ken 45145
I have a 1927 Chevy Capital AA 4 Door also a 1927 Chevy Touring car, a 1936 Chevy 1/2 ton and a 2010 Corvette LT3 Convertible and a 1953 Packard Caribbean. My tow car is a 2011 Suburban.
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Joined: Feb 2008
Posts: 802
ChatMaster - 750
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ChatMaster - 750
Joined: Feb 2008
Posts: 802 |
The over heating could have possibly been an air pocket in the head which caused a hot spot. I do know this about spark plugs and these old low compression engines, you do want the plugs gaps to not be shrouded by the spark plug hole. My 24 Olds had too short of plugs in it since I bought it back in 1997 and would quickly foul out withing a couple miles. 2 years ago I decided to put in long reach plugs after noticing the plug hole was threaded way past where the old plugs went. That old girl really woke up from a dead sleep and hasn't fouled a plug since. If you use adapters be sure to pull the plugs once in a while and make sure they are not getting little tiny melted glassy like spots on them. Use a magnifying glass to check them. If you see that, the plugs are too hot. If you get black on the center electrode near the gap, they are too cold. You want the center electrode and the ground end at the gap to burn clean of carbon.
28 Chevy LO Capitol 1 ton, 28 National 2 dr coach, 71 Chevy Custom Camper 3/4 ton. Also 23 Oldsmobile Economy truck and a 24 Olds sport touring.
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