carb issues

[Rev]

Originally Posted by rwhite65

No, I got this darn wedding today, so I haven’t been able to do much else tinkering on it. Come Monday, I am going to get a good timing mark set up, and check all of the other stuff...like the cap and electrical pick up thingy.

Right now though, I am somewhat suspicious of my module in the Mallory distributor. It is acting a lot like it did last time it went, although it did a lot more back firing that time. Maybe Rev will chime in here and tell me what his did when it went bad. I also had one go bad and it just wouldn’t start. Ryan

When my Unilite modules fail, the engine just stops as if you had turned off the ignition switch. Then it would start right up again for some unknown period of time. I did call Mallory the first time that happened and they told me that was what the module did when it was beginning to fail. I did have one that would cause a backfire because it would turn off the spark momentarily and the turn it back on again. None of this sounds like what your engine is doing though. Wish I could be more help.

Rev

[PKRWUD]

Are you saying that your balancer is marked for a passenger side pointer?

How do you know it hadn't moved if you can't time it?

Here's the best way to time it, in your circumstance:

Hook up your new vacuum gauge, and start it. Turn the distributor, however you need to, so the you get the highest reading on your vacuum gauge, then retard it until the reading on the gauge goes down 1/2" (half a number). Tighten down the distributor, put away the vacuum gauge, and test drive it.


Let's continue this via email.

pkrwuds@pacbell.net

[rwhite65]

Originally Posted by PKRWUD

Let's continue this via email.

pkrwuds@pacbell.net

Lol, I was just about to ask you that, cause with a little help, I think I can get you the timing numbers you are looking for. Email to follow

Ryan

[82 GT]

BTW, if anybody out there has a mallory fuel pump and wants to trade up for a Holley, then let me know. I'll mail this POS out the same day!
I won't be able to take take it off fast enough!

[Dark Knight]

Had a couple holley blue pumps... both were louder than hell.. noth are in the dump somwhere. GOt a mallory comp 140, nice and quiet.. sat for a couple years with fuel in it then tried it and it still works.. going on a friends BB 67 coupe.

Holley does make a quiet blue pump now.. but they're almost $100 more than the regular blue pump..

[rwhite65]

Well, as you can see my plugs look new and the wires are good. This is not the same as when a wire goes bad, because I have had that before too.

82GT-
I have the power module filter thingy on there now. Although, I have jump started the car SEVERAL times this year....so that part I didn’t know. Are you actually saying with that Mallory Unilite, we can’t jump start the cars?? I did get the book, going to study in the squad car tonight with any luck of a dead night. Thanks bro!!

Jester-
I have thought several times of going with the Duraspark, but they are so darn big compared to the nice little Unilite, but then again at least they work.

Unfortunately, I may work on it tom morning, but odds are it will be wed before I can get to it.
Stay tuned,
Ryan

[82 GT]

Originally Posted by rwhite65

82GT-
I have the power module filter thingy on there now. Although, I have jump started the car SEVERAL times this year....so that part I didn’t know. Are you actually saying with that Mallory Unilite, we can’t jump start the cars?? I did get the book, going to study in the squad car tonight with any luck of a dead night. Thanks bro!!

You can jump start the car but you MUST unplug the module before you do it though, otherwise, it slowly kills the module. It's written in the instructions but most people don't read them because they figure they already know how to install a dizzy.

[rwhite65]

Originally Posted by 82 GT

It's written in the instructions but most people don't read them because they figure they already know how to install a dizzy.

We got a comedian in the house everybody !!

Seriously, I usually read all that stuff, but I guess I didnt read or remember that part. That makes me suspect a little bit more that the module may be bad.

Thanks for the insight bud!
Ryan

[82 GT]

Wasn't trying to be asmart ass Ryan bacause....everybody has done stuff like before, including myself. I burned a module or two up before I read on their website that you can't jump start them with the module connected.
I wasn't saying just because you knew how to install a dizzy, you didn't bother reading the instructions. I was merely pointing out how easy it can be for people to do that. I'm here to help

[82 GT]

No mine is part# MAA-609 unless they have a new part number for the new module now.

[82 GT]

Here is the one I have now: http://store.summitracing.com/partde...5&autoview=sku

It replaces the old MAA-609 unit.

[rwhite65]

Brian-
I was trying to give you a hard time. I know you were not poking fun at me...although you should be. I will have to read up on their site about that. Seems kind of stupid that u have to unplug that to jump start it….. I don’t see how it could start then either.

Thanks for the part number.
Ryan

[~The Jester~]

Originally Posted by rwhite65

Brian-
I was trying to give you a hard time. I know you were not poking fun at me...although you should be. I will have to read up on their site about that. Seems kind of stupid that u have to unplug that to jump start it….. I don’t see how it could start then either.

Thanks for the part number.
Ryan

I was wondering that same thing! If you unplug the module, how does the car start?

[82 GT]

It doesn't.....you have to disconnect the jumpers, plug the module back in and try and start the car. If its not charged enough then you start over....unplug the module and try to jump it again. It'a a PITA but that's what you HAVE to do with these things.
I doubt it's your module though. In my experience, it either works or doesn't work.
I know REV has had one that started back up for awhile and quit again but at that point, you may as well consider it dead.

[rwhite65]

I am not sure at this point it is it, but I think I remember it doing this one other time....although it was a long time ago. I read how to check to see if it is working with a credit card, but if it is not that I am a little it stumped right now. Since it actually runs, I would think it will test just fine.

Ryan

[82 GT]

Do you have another carb to try?

[rwhite65]

Originally Posted by 82 GT

Do you have another carb to try?

Yes I do, although it is not a Holley, so things might not hook up as easily.

I know I have been doing some minor adjustments lately, but this is a new problem that came on rather fast. I am not against swapping, but will probably check all other areas first. By the way, I love my new book.
Ryan

[82 GT]

Here's a though. Is it possible that your rockers need re-adjusted?
I know you don't have a solid cam but maybe an adjusting nut worked loose. This is an area where nobody has suggested yet.

[rwhite65]

Originally Posted by 82 GT

Here's a though. Is it possible that your rockers need re-adjusted?
I know you don't have a solid cam but maybe an adjusting nut worked loose. This is an area where nobody has suggested yet.

It has me thinking that could be a possibility, but I would assume I would here some noises?? I had a rocker work loose due to the rocker conversion kit (pedestal to stud) this spring, and when it went there was no doubt it was not adjusted properly. The difference here is I can get some power out of it by getting on it. When rockers (just one) worked lose, I lost ALL power.

I checked the cap, rotor, and module. The first two are good and the module clicks when I run a card thru it, making me believe it is also good for now. I have a heater core to replace for a buddy, so I may or may not get to this thing by the weekend. I may just take off work so I can tackle it and hopefully figure it out.

Ryan

[82 GT]

I think at this point, I would do the carb. swap even if it means moving things around to get it hooked up. That way, you can eliminate drivetrain and carb.
The only thing left would be valvetrain.
I'm really thinking it's the carb. because when you made changes to it, the symptoms got better or worse.