1970 fuel drain hose?

[Mike F.]

Was the fuel drain hose actually installed in the bumperette at St. Louis?

The reason I ask is, when I removed the original fuel tank from my car ( I assume I was the first person to do so, looked like it anyway.) the fuel drain hose exits on the inside of the rear valance. Last night I took this picture of 1970 #14888 (a 15k mile car) and the drain hose exits on the inside of the rear valance. A friend of mine has a 1972 LT-1 they have owned since 1973, the fuel drain hose exits on the inside of the rear valance.

When my car has been judged, I'm told the fuel drain hose needs to go inside the bumperette. When I installed the hose inside the bumperette, the bumper brace does not have enough adjustment (it hits the fuel drain hose) to allow the bumperette to sit flush/close with the rear valance of my car. I ended up leaving the top bolt of the brace out.



This is what #14888 looks like, as did my car and the 1972.


My car with the hose in the bumperette, the brace hits the hose, the only way to get the upper bolt in is to adjust the bumper out from the rear valance to a point where it looks incorrect.

[Jim T.]

Re: 1970 fuel drain hose?

My original owner 1970 has it like the diagram you have shown. I have never over filled my 70's tank, so the hose has only been a water drain all these years.

[Bill L.]

Re: 1970 fuel drain hose?

Hmmm- Love Mike's questions.

Now I am curious to know if it changed at some point due to the adjustability issue. What does the 71 AIM show. I know of an original 71 owner and a picture he posted at one point shows same as #14888. My 70 was like #14888. Mine is #11327. I am not an original owner but the chassis was relatively untouched.

Bill

[Patrick H.]

Re: 1970 fuel drain hose?

Despite the AIM, original cars have been seen with the hose in both configurations, both yours and what is shown in the AIM. It likely depended who was doing the job on a certain day, week or month.

Patrick

[Bill L.]

Re: 1970 fuel drain hose?

Was the fuel drain hose actually installed in the bumperette at St. Louis?

The reason I ask is, when I removed the original fuel tank from my car ( I assume I was the first person to do so, looked like it anyway.) the fuel drain hose exits on the inside of the rear valance. Last night I took this picture of 1970 #14888 (a 15k mile car) and the drain hose exits on the inside of the rear valance. A friend of mine has a 1972 LT-1 they have owned since 1973, the fuel drain hose exits on the inside of the rear valance.

When my car has been judged, I'm told the fuel drain hose needs to go inside the bumperette. When I installed the hose inside the bumperette, the bumper brace does not have enough adjustment (it hits the fuel drain hose) to allow the bumperette to sit flush/close with the rear valance of my car. I ended up leaving the top bolt of the brace out.



This is what #14888 looks like, as did my car and the 1972.


My car with the hose in the bumperette, the brace hits the hose, the only way to get the upper bolt in is to adjust the bumper out from the rear valance to a point where it looks incorrect.

The strap attaching the hose on #14888 is not what I expected to see.

Any thoughts on the strap that holds the hose to the brace?

Bill

[Kevin G.]

Re: 1970 fuel drain hose?

Despite the AIM, original cars have been seen with the hose in both configurations, both yours and what is shown in the AIM. It likely depended who was doing the job on a certain day, week or month.

Patrick

I agree both have been seen.

But I'm thinking it was more of a "three attempts" to slide the hose into the same hole as the support. If the hole was too tight or the brace not centered, the car continued down the line without threading it, strapped only to the support.

[Mike F.]

Re: 1970 fuel drain hose?

The strap attaching the hose on #14888 is not what I expected to see.

Any thoughts on the strap that holds the hose to the brace?

Bill

Its actually two "single" straps next to each other.

[Mike F.]

Re: 1970 fuel drain hose?

If the above information is correct, that examples of both "in or out of the bumperette" have been seen, maybe the TIMJG should be changed. I played hell getting the hose in the bumperette (including the uninstalled bolt for bumper alignment) all for the sake of points, when to my untrained eye it sure looked like the hose was originally installed on the inside of the valance panel.

[Bill L.]

Re: 1970 fuel drain hose?

The strap attaching the hose on #14888 is not what I expected to see.

Any thoughts on the strap that holds the hose to the brace?

Bill

Thanks for the updated pic Mike.

Bill

[Paul D.]

Re: 1970 fuel drain hose?

I would have been very confused if I were routing that hose at the factory. To my eye, the full picture shows the hose routed outside of the bumper which would put it on the inside of the valance. In "view B" is where it shows it within the lower part of the bumper. I bet that is why we have reports of 2 configurations on very original cars. Chip.

[Paul O.]

Re: 1970 fuel drain hose?

Mike

As both Patrick and Kevin have stated the hose has been seen both ways on original cars. But which team has been deducting points Exterior or Chassis? Only one team is correct to make a deduction if it is not a typical install and it does not start with a "C". There are 2 originality points and 2 condition for this item and it also includes the scupper, hose, spring and 2 straps so you have .4 of a point for each area of CDCIF for a not typical install would be .4 deduction (even though it is typical) there are not enough points available to make a deduction for an installation issue.

[Michael F.]

Re: 1970 fuel drain hose?

I have had 4 70 cars, 1 BB ,3 SB, ALL had it the way the AIM shows, cars represented early, late and in middle of production run. all were non touched cars with all having owner history and paperwork. my experience only.

[Warren F.]

Re: 1970 fuel drain hose?

My two '71's have the drain hose double strapped to the metal brace and exiting down the inside of the lower rear valance. My 1971 AIM clearly shows the drain hose double strapped to the metal brace AND NOT going through the rear valance, but following the inside of the rear valance. UPC 8 B4

[Ron G.]

Re: 1970 fuel drain hose?

My 2 cents is that I am going with Patrick and Paul because after years of observing hundreds of Bowtie and Survivor Corvettes, I have also seen them both ways.