63 Imperial Fuel system/ analysis progress

[Sherman D Taffel <staffel1945@xxxxxxxxx>]

 I've been working on 63 Imperial for quite awhile: ignition module, carb replacement,  fuel delivery issues, total engine & bay 'refurbishment '.

Finally got that locking ring free. Was about to use Dremel but tried prying up outer ring lip & ring (one slot allowed). After an hour. Finally got it.

Drained 9 gallons & then still measured  3" in tank with digital inspection camera. Pulled sending unit & screen pickup. 

Digital camera revealed monimal Tank bottom rust compared to 61 Lancer. 63 DART & Fiero.

Had no blockage with elec Pump draining thru gas line at Front of Engine. Pickup screen had absolutely NO Clogging, totally clean.

Tested sending unit. Got 9.9ohms to 60 ohms- smooth increases & decreases all the way. So why no fuel gauge readings except E?

Pulled brass float off C retaining wire. Cleaned it up. shook it. 

AHAH- Filled with fuel. 

Next was to find the pinhole.

Watched where fuel made float 'wet'.. 

Took digital pics. Expanded pics. Found crack- not along solder seam but perdindicular in C recess where wire holds float. Quite a crack under 10x pic expansion.  

Usually on brass floats pinhole is in solder joint. Let float drain overnight. Will solder the crack. Should solve fuel gauge Ops. ( Gauge read full when blue wire grounded, nothing wrong with gauge.

So, all in all,  very good news. 

Even using pillows. Lifting head to work under/ hands over Differential to access tank locking ring was not easy.. Life at 77 going on 38.

Carlisle looking more feasible!

Sherman D Taffel 

63 Crown Southhampton 

Columbia MD

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