Fuel System: Vapor Lock No More

[Studebaker1962]

1962 GT Hawk Vapor Lock

[studegary]

I have heard of a lot of people in the Southwest that have had success with this system/modification.

[JohnMSeymour]

The guys on an early Econoline forum have been proposing that method also. The early Econolines have a real problem with heat build-up in the doghouse (engine compartment).

Seymour

[64V-K7]

So the side tap filter will bleed off a lot of fuel pressure. What fuel pump did you use?

[royvaldez]

please post pictures.

[Studebaker1962]

I am running a mechanical pump. The Napa filter with a ~.040 orifice side return and it is just before the carb and sends hot fuel and vaporsback to the tank to the nipple I had welded to the steel part of the filler neck. 5/16" in and out, 1/4" return. You probably could run a copper line or even braided flex. I went with steel, just doing this job once and done. The steel was tough to bend and run down to the tank.

[Tom Bredehoft]

It worked for me on my '53 Commander coupe 7 or 8 years ago. It allows the fuel in the line to circulate, rather than being nearly stalled in heat soaked fuel line. The hot fuel goes back to the tank, allowing cool fuel to take it's place.

[jpepper]

Studebaker did this OE on the Avanti powered Hawks and Larks.

[JoeHall]

My experience is, the return line will provide about 25 percent relief from vaporlock; misc other mods will provide another 25 percent, and the remaining 50 percent, we just learn to live with. Unless we go EFI, which provides 100 percent relief.

[StudeRich]

Good to hear Jim that you finally got it cured, and I know this Filter has been talked about on other posts with the Part Number, but it would be Great to have it here. I believe it was said that it is for a MoPar.

[Dan Timberlake]

The earliest application of fuel recirculation I know of was my 1963 Corvair turbocharged Spyder.

With the turbo and a foot or 2 of exposed exhaust in the sealed engine compartment things got pretty hot.
Even though the engine cooling system was pulling over 1000 cfm out of the engine compartment.
Look at the fancy double layer metal shield over the hot side of the turbo and exhaust to protect the tire from radiated heat.
https://upload.wikimedia.org/wikiped...rbo_engine.jpg