Author Topic: 1/4 inch vapor return hose  (Read 1899 times)

hdptsr

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1/4 inch vapor return hose
« on: March 30, 2021, 08:30:48 PM »
What is the length of the short hose that connects the (AC fuel fuel) filter to the metal vapor return line on the 1969 Camaro on 350 SS.  Are the squeeze fuel line clips suppose to be painted red? 

169INDY

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Re: 1/4 inch vapor return hose
« Reply #1 on: March 30, 2021, 10:00:46 PM »
Red = 1/4"
Black = 5/16"
Green = 3/8"
Black = 1/2"

The above is just a guess? as to Color code to diameter of hose / lines.

I will measure the Length tonight of the line in question, but of the top of my head it is really short length of hose.
Jim
68 SS/RS L35 Th-400 LOS
69 Pace Car L48 Th-350 LOS
68 Z28 M21 LOS

169INDY

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Re: 1/4 inch vapor return hose
« Reply #2 on: March 31, 2021, 03:27:13 AM »
Length = 1.5" (nom)
Jim
68 SS/RS L35 Th-400 LOS
69 Pace Car L48 Th-350 LOS
68 Z28 M21 LOS

x66 714

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Re: 1/4 inch vapor return hose
« Reply #3 on: March 31, 2021, 04:00:01 AM »
I guess small blocks didn't have the filter support bracket that the big block cars have...Joe
See America's First, Chevrolet

1968 Z/28 Corvette Bronze. Black Hounds Tooth. 02E Los Angeles born 3/13/1968 pnt OO. Purchased March 1976
1969 SS396 Yellow/Yellow 08E Norwood born 8/28/1969 pnt 76E. Purchased April 1981

169INDY

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Re: 1/4 inch vapor return hose
« Reply #4 on: March 31, 2021, 04:44:21 AM »
Correct (No Fuel Filter Bracket) as Shown in 1969 F body AIM,
UPC L48 Sheet A3 Page 298.

-vs-

UPC L35/L34 Sheet A5 Page 279  Pc # 13 PN 3952309  & View (A).

although the Filter was the Same PN for BOTH applications (SB vs. BB) 5651462

Jim
Jim
68 SS/RS L35 Th-400 LOS
69 Pace Car L48 Th-350 LOS
68 Z28 M21 LOS

hdptsr

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Re: 1/4 inch vapor return hose
« Reply #5 on: April 01, 2021, 04:51:37 AM »
Do I need to worry about the hard gas line Rubbing on the water pump housing or on the timing chain cover?  It is just kind of propped against them.  There is a clip to hold the vapor return line and hard fuel line together.  They are pretty rigid, just don't like the metal on metal. 

169INDY

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Re: 1/4 inch vapor return hose
« Reply #6 on: April 01, 2021, 05:06:58 AM »
I have no concerns, given how ridged the set up is and really have not seen any report from the L48 Crowd.
Jim
68 SS/RS L35 Th-400 LOS
69 Pace Car L48 Th-350 LOS
68 Z28 M21 LOS