Author Topic: popping out the exhaust  (Read 7512 times)

Offline rattlesnake

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Re: popping out the exhaust
« Reply #15 on: December 19, 2013 - 11:13:43 PM »
No points using a unilite distributor, cap and rotor are in good shape, carb is a brand Holley black diamond 850 DP. I suppose I will just start trying different things until I get it. I think I will start with the choke first, I will need to figure out some way to choke it down when it is cold that should be easy, then go to the firing system, distributor, cap, rotor, etc. I really need to get it to someone that has a better ear than me to fine tune the engine. Back to my other question for anybody that has an opinion. Can this damage anything while running cold?
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Offline 72cudamaan

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Re: popping out the exhaust
« Reply #16 on: December 20, 2013 - 08:33:31 AM »
If it discolored the headers you most likely are running lean. Richen the mixture or find some way to make
a choke on that carb. You may have done yourself a dis service cutting the carb up.   :(
If I cant fix it, it's broke
 
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Offline rattlesnake

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Re: popping out the exhaust
« Reply #17 on: December 20, 2013 - 09:36:34 AM »
cuda man I think you are correct. I wish at this point I would have just changed the intake to get hood clearance. Although I will say I contemplated buying a carb without a choke body when purchasing the carb. Because I don't drive the car in cold weather. I opted to go with the choke and then I had the clearance issues, plus the fact I could not get the choke adjusted to the right setting for my car. I probably made a bad decision and now its gonna cost me even more unless I can figure out a way to get some kind of choke on this carb I will be buying a new one. This is assuming the choke is the problem! We shall see.
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Offline Strawdawg

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Re: popping out the exhaust
« Reply #18 on: December 20, 2013 - 11:12:16 AM »
Check that plug again

Steve


Offline rattlesnake

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Re: popping out the exhaust
« Reply #19 on: December 20, 2013 - 11:53:33 AM »
Steve I hope your kidding, If its bent again that means I have a real problem, cuz I know it wasn't dropped this time. But what the heck I'm gonna check anyway.

Ray,
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Offline 72cudamaan

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Re: popping out the exhaust
« Reply #20 on: December 20, 2013 - 11:59:54 AM »
Steve I hope your kidding, If its bent again that means I have a real problem, cuz I know it wasn't dropped this time. But what the heck I'm gonna check anyway.

Ray,

But a bent electrode would be constant. When the engine warms up you
If I cant fix it, it's broke
 
Andy  (phukker whither)

Offline Strawdawg

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Re: popping out the exhaust
« Reply #21 on: December 20, 2013 - 01:26:04 PM »
Steve I hope your kidding, If its bent again that means I have a real problem, cuz I know it wasn't dropped this time. But what the heck I'm gonna check anyway.

Ray,

No, I was not kidding...I learned many years ago not to assume anything.  Unfortunately, I seem to relearn that about every two years.  I am 98% sure that is not the problem, but it is easy to eliminate and make it 100% :)

Offline HP_Cuda

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Re: popping out the exhaust
« Reply #22 on: December 20, 2013 - 01:30:35 PM »

If you can disable the choke and see if that helps, otherwise get a known good carb and slap it on there!
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Offline 'Cuda Hunter

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Re: popping out the exhaust
« Reply #23 on: December 20, 2013 - 02:34:35 PM »
If you can disable the choke and see if that helps, otherwise get a known good carb and slap it on there!

That's what I was thinking.
Put a good carb on and see if the problem continues.
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Offline 72cudamaan

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Re: popping out the exhaust
« Reply #24 on: December 20, 2013 - 06:47:53 PM »
If you can disable the choke and see if that helps, otherwise get a known good carb and slap it on there!

He said there is no choke.
If I cant fix it, it's broke
 
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Offline Chryco Psycho

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Re: popping out the exhaust
« Reply #25 on: December 20, 2013 - 06:53:29 PM »
Cold start with no choke can be just lean

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Offline HP_Cuda

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Re: popping out the exhaust
« Reply #26 on: December 20, 2013 - 07:24:41 PM »
He said there is no choke.

otherwise get a known good carb and slap it on there!
1970 Cuda Clone 440 4 speed - sublime green
1970 Cuda 383 4 speed - yellow - SOLD

Offline rattlesnake

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Re: popping out the exhaust
« Reply #27 on: December 20, 2013 - 07:55:40 PM »
Everything on the car is brand new, including the carb. I think I will figure some way to choke the carb off on start up and see if it pops when cold. If it does not then I will know it is the lack of a choke. I wouldn't expect to have this problem in warm weather. I have been on a few forums and talked to a few of my buddies. It is quite common to run without a choke in these cars with built engines. I should be able to start diagnosing Sat. or Sun. I will keep you all informed.
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Offline Strawdawg

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Re: popping out the exhaust
« Reply #28 on: December 20, 2013 - 09:24:07 PM »
once you know the plug is still good, just crank it up, and dribble a little fuel into the primaries...if it quits popping, then you know the car is lean...or, if it is not popping back thru the carb, put on a glove for safety, and cover half the primary side with your hand...manual choke, so to say  :)

ETA: carb cleaner is safer to spray into the carb than dribbling gasoline unless you are set up to safely add the gas....:D
« Last Edit: December 20, 2013 - 11:47:26 PM by Strawdawg »

Offline rattlesnake

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Re: popping out the exhaust
« Reply #29 on: December 21, 2013 - 06:32:03 AM »
good call Steve. It has never backfired through the carb so I think I should be safe.
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