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383 starting issues with new carb

Started by JH27N0B, August 19, 2017, 06:18:04 AM

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1 Wild R/T


JS29

Quote from: 1 Wild R/T on August 19, 2017, 10:18:11 AM
Send your OE carb to Scott....
:iagree:  If it was me, I would put the QF carburetor on it. and put the original restored carburetor away.   :alan2cents:

Shane Kelley

Quote from: JS29 on August 19, 2017, 10:25:17 AM
Quote from: 1 Wild R/T on August 19, 2017, 10:18:11 AM
Send your OE carb to Scott....
:iagree:  If it was me, I would put the QF carburetor on it. and put the original restored carburetor away.   :alan2cents:
:haha:
You can always tell the people who have actually tried a Quick Fuel. Absolutely no disappointments.
I would do the same. Might even find some hidden power. A nice little 650 vacuum secondary with electric choke would make a nice reliable street carb with great throttle response.  :alan2cents:


cudabob496

Make a sheet metal heat shield around carb,
Also get a phenolic spacer.
72 Cuda, owned for 27 years, 496, solid roller, 3500 stall, 3.91 gears, ported Stage VI heads, 3 inch X-pipe exhaust, 850 DP, ram air setup, fuel cell, batt in trunk,
Wilwood brakes, Weld wheels, MT ET Street tires, fiberglass hood, Alum radiator.

Cuda Cody

You are probably right.  The heat is most likely the issue. 

When the car will not start, how many times are you cranking it over? 

Quote from: cudabob496 on August 19, 2017, 01:31:37 PM
Make a sheet metal heat shield around carb,
Also get a phenolic spacer.

303 Mopar

Quote from: Shane Kelley on August 19, 2017, 11:14:06 AM
Quote from: JS29 on August 19, 2017, 10:25:17 AM
Quote from: 1 Wild R/T on August 19, 2017, 10:18:11 AM
Send your OE carb to Scott....
:iagree:  If it was me, I would put the QF carburetor on it. and put the original restored carburetor away.   :alan2cents:
:haha:
You can always tell the people who have actually tried a Quick Fuel. Absolutely no disappointments.
I would do the same. Might even find some hidden power. A nice little 650 vacuum secondary with electric choke would make a nice reliable street carb with great throttle response.  :alan2cents:

Same with those using Proform carbs.  Shop both, usually QF is a little more expensive but they are the same carb using the same parts.

cudabob496

when hot, sometimes won't start due to too much timing advance.
also, try just turning the key without giving the carb any gas.
72 Cuda, owned for 27 years, 496, solid roller, 3500 stall, 3.91 gears, ported Stage VI heads, 3 inch X-pipe exhaust, 850 DP, ram air setup, fuel cell, batt in trunk,
Wilwood brakes, Weld wheels, MT ET Street tires, fiberglass hood, Alum radiator.


Cuda Cody

After it sits for a few days, could you have someone pump the gas while you look and see if any fuel is coming from the bowls on the carb?  Might at least confirm if your bowl are empty or not.   :notsure:

JH27N0B

This evening I turned the key and it actually hiccuped a bit but didn't start.  Then did its turn over but no ignition routine. A quick spritz of starting fluid and it fired up and stayed running.
It had only been since yesterday night since it ran last.
Had a nice time at the local cruise.  A guy with an amazing Buick convertible parked next to me.  Took a brief drive after I left the cruise and all in all had a great evening.
I called the guy who worked on the car, this morning, and gave him an update on the problems.  He says he will get it working right when he gets the car in a few weeks to install the restored AC.  The car still is leaking some oil, so he's got a few bugs to work out.  In the meantime, I guess I will just wrestle with it to get it started when I want to drive it, another 2 or 3 drives most likely.
I also saw a friend at the cruise who has over a dozen cars and has been a car guy for a long time, he has a '73 Charger SE 400 that he bought new as one example.  He said he thought the Edelbrock carbs were pretty good in his experience.
So I'm getting different opinions from different credible sources.  It's up to the guy who is working on my car to get it working right, so I will wait to see what happens in a few weeks as far as curing the carb issues and curing the remaining oil leak!  Part of the reason he got the car back to me before the work was done, was so I could drive it and see if there were any problems that still needed to be resolved.

cudabob496

I had an Eddy. Like the Holley much better.
72 Cuda, owned for 27 years, 496, solid roller, 3500 stall, 3.91 gears, ported Stage VI heads, 3 inch X-pipe exhaust, 850 DP, ram air setup, fuel cell, batt in trunk,
Wilwood brakes, Weld wheels, MT ET Street tires, fiberglass hood, Alum radiator.

Cuda Cody

WOW!!!   :inlove:  Beautiful Challenger @JH27N0B    :lookatthat:  Really clean and nice looking vert.  The only think I would do would be to lower the front torsion bars a bit.  I like the look of a little rake and the front not as high.  But don't get me wrong, I love your car and would be really happy just the way it is.   :yes:


JH27N0B

I don't know if it's so much the front is too high, or if the rear is too low.
The rear springs are sagging a bit.  I'm pondering working on that issue soon too.  The shop recommended new Mopar Performance springs, but I'm thinking maybe getting the original springs re-arched would be best.
The work on the car started out as just getting the engine resealed and repainted, and the AC restored and installed.  But when he started digging into the engine he found a number of problems which led to more work like a valve job, and the carb.  Power steering box was leaking, so that was sent out and rebuilt.  And some suspension bushings were damaged from the oil leaking on them, so replaced. He did adjust the torsion bars after that work.
Thinking now how the cracked dash needs restoration, and those quarter century old tires must go.
I will probably take the dash out in fall, send to Just Dashes, and reinstall in early spring. 
By the time I'm done, I'll probably have over 12G's in my little refresh.  But I'm hoping all be set for another 20 years of pleasure with this car!

Chryco Psycho

Do not use the MP springs , they are ok for a month or so but sag quickly , Espo is a far better choice
I would also use a Holley or holley type carb over anything produced by Edlebroke

Shane Kelley

Quote from: Chryco Psycho on August 20, 2017, 07:03:33 AM
Do not use the MP springs , they are ok for a month or so but sag quickly , Espo is a far better choice
I would also use a Holley or holley type carb over anything produced by Edlebroke
:iagree:
The MP springs are also to soft. There is also something going on with pinion angle using them. I put a set on my Cuda and it totally jacked the pinion angle. Total disappointment in MP springs.  I had to shim the rear to correct the problem and like I said they are to soft. You should probably re arch yours or go a different route. Dr Diff offers some nice spring and PST also offers them. I'm going Hotchkis since I'm doing the road race handling thing these days.

cudabob496

Mopar Springs are junk.
ESPO are awesome.  Make sure to order stock height,
as far as the bend goes.  I still easily clear the
MT 275/50-15s
72 Cuda, owned for 27 years, 496, solid roller, 3500 stall, 3.91 gears, ported Stage VI heads, 3 inch X-pipe exhaust, 850 DP, ram air setup, fuel cell, batt in trunk,
Wilwood brakes, Weld wheels, MT ET Street tires, fiberglass hood, Alum radiator.