help me unmut my 62 dynamic 88

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Old Aug 13, 2013 | 03:53 PM
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help me unmut my 62 dynamic 88

it has an electric fuel pump on it. not sure why carb is fickle at best rebuilt it car ran great for a day then the acc pump shot is a trickle again. theyve got the car massively advanced which i went through today the vacc advanced isnt hooked up and the car misses when it is.

its leaking tranny fluid from the bell housing ill assume its the front seal.

none of the heater vacc lines seem to be hooked up and i have no clue where they go.

theres 2 mechanical pumps in the trunk which is why i dont understand the electric.

manuals or anything? i really dont know where to begin. id like to take the points of and go hei but all the ones i find exclude the 394.

doesnt help i feel like i got taken. traded my solid running cb for what was suppose to be a solid car. the carb issue i knew about and wasnt worried until i started finding the mutted together stuff.

carb was completetly rebuilt yestarday btw

Last edited by rev.chuck; Aug 13, 2013 at 03:57 PM.
Old Aug 13, 2013 | 04:27 PM
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Welcome! One item at a time, I'd get the engine running first. So when your in between projects you can drive it and keep your attitude in check. Is your car a convertible?

Post some pictures when you get a chance.
Old Aug 13, 2013 | 06:34 PM
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its a parts car (4 door) hardtop. 394 4 barrel i believe its the holiday dynamic but i dont know.

after posting i took the carb back apart and found that the spring T deal sorry i dont know the name was affecting the fuel deliver through the accelerator pump ports. so i removed it running issue solved.


ill get a pic in a few minutes
Old Aug 13, 2013 | 06:57 PM
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Just register with WildAboutCars and you can download the '62 Service Manual for free, to use until you find a paper one on eBay or wherever.

As for the HEI, it was introduced in 1974-'75, so of course it wasn't made for the 394, which was last made in 1964.

Just be patient and put the car back together one piece at a time, and you'll have it right in no time.

- Eric
Old Aug 13, 2013 | 07:03 PM
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fathers a transmission guy so im not concerned with the leaking tranny fluid just something to check until i get a spot on the lift to take it out and go through it.

anyone know why it would miss with the vacc advanced hooked up though. thats one thing i cant figure out
Old Aug 13, 2013 | 07:10 PM
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088_zpsae09399b.jpg
Old Aug 13, 2013 | 07:14 PM
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Originally Posted by rev.chuck
anyone know why it would miss with the vacc advanced hooked up though. thats one thing i cant figure out
If the diaphragm's got a big hole in it, it could be a giant vacuum leak.

- Eric
Old Aug 13, 2013 | 07:16 PM
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Originally Posted by rev.chuck
fathers a transmission guy so im not concerned with the leaking tranny fluid just something to check until i get a spot on the lift to take it out and go through it.

anyone know why it would miss with the vacc advanced hooked up though. thats one thing i cant figure out
The VA moves the plate inside. This flexes the wire to the points. Flexing a wire eventually leads to failure. Tug at it, see if it comes right off.

While you might not get an HEI to fit in there, you may find other points to electronic conversion packages that will work.
Old Aug 13, 2013 | 07:18 PM
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Originally Posted by MDchanic
If the diaphragm's got a big hole in it, it could be a giant vacuum leak.

- Eric
i cant hear it leaking. when i unplug it from the carb side i can hear that port sucking air.

Originally Posted by Octania
The VA moves the plate inside. This flexes the wire to the points. Flexing a wire eventually leads to failure. Tug at it, see if it comes right off.
ill have to look into that.
Old Aug 13, 2013 | 07:29 PM
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Originally Posted by Octania
The VA moves the plate inside. This flexes the wire to the points. Flexing a wire eventually leads to failure. Tug at it, see if it comes right off.

While you might not get an HEI to fit in there, you may find other points to electronic conversion packages that will work.

i did the reading up on the panatronics i think it was called. i may go that route.


any idea what psi this carb needs? im curious to see what this pump is putting out and if its too little or too much. i still have a flat on its *** issue when i nail it from a dead stop.
Old Aug 13, 2013 | 10:32 PM
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Originally Posted by rev.chuck
i feel like i got taken.
Then you say it's a parts car. Then you say you don't even know what model it is. You can't be serious. Anyway a conventional HEI won't fit in there even if you adapt a 394 distributor to mate with a HEI cap- it hits the firewall. Buy a electronic conversion kit that fits under the cap. Done. Fuel pressure should be around 4-6 PSI
Old Aug 14, 2013 | 08:13 AM
  #12  
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Make sure your dwell is set to 30, no more - no less. Your timing will advance because of the way your vacuum is hooked to the distributor. The timing needs to be set first with that hose disconnected at the rpm specified in your tune up specs. Once its set, then connect the line and lower your idle speed down to where it should be.
Old Aug 14, 2013 | 04:17 PM
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Originally Posted by 59-59-59
Then you say it's a parts car. Then you say you don't even know what model it is. You can't be serious. Anyway a conventional HEI won't fit in there even if you adapt a 394 distributor to mate with a HEI cap- it hits the firewall. Buy a electronic conversion kit that fits under the cap. Done. Fuel pressure should be around 4-6 PSI
thanks for the fuel pressure reading. im convinced that pump is most of my issue's. ill get a pressure gauge on it asap and see what i get with the pump running for a good 10 or so minutes out right.


as for the rest

its a 4 door known in most of the car world as a parts car for 2 doors. myself i like 4 doors means i dont have to get out for the kiddos to take a leak every 20 minutes or what have you less wear and tear on that seat for passengers more room to make out with the wife (yeah right) lol

but some people alot of people none the less consider it a parts car.

its a dynamic 88 i was under the assumption that holiday was a trim and options package.?
Old Aug 14, 2013 | 05:22 PM
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Hey Rev.chuck. I am TOTALLY with ya on the 4 door preference, I LOVE 4 doors over two. My first car I ever owned was a 62 dynamic 88 4 door. Man could I pack my friends in it. And I just like the looks of them better. I am currently restoring a 61 super 88. Have fun with it, mine treated me very well back when I was a kid.
Old Aug 14, 2013 | 07:28 PM
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Originally Posted by SavedbyHim
Hey Rev.chuck. I am TOTALLY with ya on the 4 door preference, I LOVE 4 doors over two. My first car I ever owned was a 62 dynamic 88 4 door. Man could I pack my friends in it. And I just like the looks of them better. I am currently restoring a 61 super 88. Have fun with it, mine treated me very well back when I was a kid.


it runs fair enough right now. i stuck aftermarket oil and temp gauges on it holds good oil pressure and temp sticks around 180 no noises i did something today that made the heater run full blast, damn its got good heat! had to yank the fuse out im thinking its something to do with the temp sending unit as thats all i changed when the heat started working dash controls dont work properly so once i figure out how to take the dash apart ill have to check into that as well.
Old Aug 14, 2013 | 08:02 PM
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flat acceleration might be retarded timing...
verify the dwell is 30 +/- 2 degrees, and the points are in great condition- or get the pertronix kit.

Also, I am not super familiar with the pre-QJet 4-bbls, but there has got to be some sort of device to allow the secondaries to open slowly as needed. I know when I altered my '68 QJet to allow the vacuum break to work faster, it caused a severe 2-3 second stumble upon kicking in the secondaries. That diaphragm is supposed to gradually allow the secondary air valve to open.
Old Aug 14, 2013 | 09:40 PM
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Originally Posted by Octania
flat acceleration might be retarded timing...
verify the dwell is 30 +/- 2 degrees, and the points are in great condition- or get the pertronix kit.

Also, I am not super familiar with the pre-QJet 4-bbls, but there has got to be some sort of device to allow the secondaries to open slowly as needed. I know when I altered my '68 QJet to allow the vacuum break to work faster, it caused a severe 2-3 second stumble upon kicking in the secondaries. That diaphragm is supposed to gradually allow the secondary air valve to open.

i have to source a dwell meter then we will be checking it. the pertronix kit is also on my list.

ive never had experience with a quadrajet that didnt have some stall. but this is a flat on its face affect i have to put it down half way let it catch up then peg it and it will pull great enough to turn me around which i was not expecting from a car that size lol
Old Aug 14, 2013 | 09:43 PM
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thanks to everyone for the reply's one of the friendliest forums ive ever joined seeking info.

usually you get the snub for asking the same ol question's which im sure i am revisiting past topics. for that i apologize, i did spend some time browsing before signing up but wasnt sure what to make of my issue's plus noone mentioned their car had an electric fuel pump so thats a variable to take into consideration with my issue's


thanks again
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