Default Re: 225 Dauntless Lost power 

Old 12-08-2011, 11:46 AM   #11
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Quote:
Originally Posted by BajaEdition View Post
I have to agree, something is wrong here, that engine has a few vacuum lines that need to be hooked up to be able to have power, one to the vacuum advance is one, the one from the valve cover is a big hose going to the air filter, it is a smog device, PCV, but their are a few other lines. that need to be there.
This is my distributor. I was told by someone I trust that it is a Chevy distributor. You can see where a vacuum line would connect to it but there is nothing connect to it. Has not been since I purchased it a year ago.
the second photo is the only vacuum line installed. Could any of you tell me where to run each line to and from?
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imag2695.jpg   imag2696.jpg  

 

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Default Re: 225 Dauntless Lost power 

Old 12-08-2011, 11:51 AM   #12
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Hmmm...

Looks like a HEI GM style.

And def has the vac advance port.

I would tell you to get that hooked up, and that the carb should be hooked to intake vac, but I am not positive AND I still can not understand how it would have ran fine before but not now, and with no changes...

I believe you do need to fix that, but I think we should track down what has changed since it was running to now...

Baja: Does it look as if the vac advance port has been plugged in that first pic?
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Default Re: 225 Dauntless Lost power 

Old 12-08-2011, 12:23 PM   #13
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I cannot say about the brand of Distib, but it is a conversions
their needs to be a vacuum line from that port to the carburetor however.
once that is on, and it is timed, it should have the power you want
now if there is something wrong in the spark system, you will have to find out what type of distributor you have and then you will have to troubleshoot it according to that, it is not a stock distributor, the stock distributor is a point and condenser style, that is an upgrade, if it is a Chevy, it is wrong, you need a Buick set up for an odd fire engine, no Chevy is going to fire correct and will definitely cause engine problems. Only a distributor set up for the oddfire Buick will work correctly
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Default Re: 225 Dauntless Lost power 

Old 12-08-2011, 03:03 PM   #14
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Quote:
Originally Posted by BajaEdition View Post
I cannot say about the brand of Distib, but it is a conversions
their needs to be a vacuum line from that port to the carburetor however.
once that is on, and it is timed, it should have the power you want
now if there is something wrong in the spark system, you will have to find out what type of distributor you have and then you will have to troubleshoot it according to that, it is not a stock distributor, the stock distributor is a point and condenser style, that is an upgrade, if it is a Chevy, it is wrong, you need a Buick set up for an odd fire engine, no Chevy is going to fire correct and will definitely cause engine problems. Only a distributor set up for the oddfire Buick will work correctly
I have looked over the carb and don't see any point where I could connect the distributor. the photo's below show the carb from all 4 sides. I have found three points on the intake manifold where a line could be connected.
Once again any advice would be helpful.
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imag2697.jpg   imag2698.jpg   imag2700.jpg   imag2702.jpg   imag2703.jpg  


 

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Default Re: 225 Dauntless Lost power 

Old 12-08-2011, 03:17 PM   #15
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what carb is that?
it looks like a 2g, but it does not have the port for vacuum on the passenger side
maybe the a plate is missing?
but the stock carb on a Dauntless V6 will have a port on the front half of the passenger side of the carb on the bottom flange.
I do not see one on yours, so you either have some changed carb or missing a mounting plate that had it.
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Last edited by BajaEdition; 12-08-2011 at 03:32 PM..

 

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Default Re: 225 Dauntless Lost power 

Old 12-08-2011, 04:18 PM   #16
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So here is a game changer. With me not knowing what I have I decided to drive it over to a mechanic about 1/2 a mile away. On the way there the CJ backfired 5-10 times very fast and started running like normal. I drove it on down the road to where I buy my parts(Car Quest) and it drove fine the whole way. Started back up on the first couple turns and drove home fine.
I'm not the kind of guy to leave well enough alone. I dug through all of the paperwork that came with my jeep. stacks of invoices 10+ years old. I didn't find anything that told me what kind of carb I have. Any ideas about what to do or how to figure out what carb I have?

 

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Default Re: 225 Dauntless Lost power 

Old 12-08-2011, 06:15 PM   #17
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KC sounds like you need a mechanic
I can do a lot of things, but I cannot take someone with no mechanical knowledge and trouble shoot their engine over the net
that thing has some serious problems form the pictures you posted, bring it to a mechanic and see what is needed.
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Default Re: 225 Dauntless Lost power 

Old 12-09-2011, 11:04 PM   #18
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I agree with BajaEdition, its time for a mechanic. There may not be a vacuum port on your carb setup. On photo IMAG2702 there looks to be a crack in the smog hose right after the braiding ends. In IMAG2700 the gasket may be leaking between the pot metal of the carb body and the cast iron of the carb base. On my dauntless there is a vacuum port directly below the fuel inlet. Iíll try posting a photo.
Normal engines are even fire, the dauntless is odd fire.

Normal v-8: 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 fires every 90 degrees
Odd fire v-6 1 - 0 - 2 - 3 - 4 - 0 - 5 - 6 fires 90 or 180 degrees
Even fire v-6 1 - 2 - 3 - 4 - 5 - 6 fires every 120 degrees

If your distributor is even fire and engine is odd fire, you will always run bad.
There is the chance the engine been swapped out, check the serial number.
vacuum-port.jpg

 

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Default Re: 225 Dauntless Lost power 

Old 12-10-2011, 08:12 AM   #19
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yea but nothing sounds better than an odd fire warming up in the morning at camp while drinking campfire coffee.
Both my Jeeps have Dauntless 225s and they just sound great.
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