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Post by pila on Tue Oct 26, 2010 6:58 pm

I'm about ready to order a tank for the El Camino project. The parts Place has the one I need for $199, which seems like a good price. I have a new GM sending unit for it. Good folks there. Bought my windshield there a few months back. Radiator will be next, an aluminum type. I need to lose weight with the Caddy big block up front. I have the stock starter on it right now, but a Power Master starter will save another few pounds off of the front. Want to get the exhaust system on it before start-up. Working on getting stainless parts for the exhaust (Michigan winters ya know) Beer

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gas tank Empty Re: gas tank

Post by IndyG3 on Tue Oct 26, 2010 8:10 pm

Might be a bit off topic, but where did you find a new sending unit for that???
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Post by Limey SE on Tue Oct 26, 2010 8:55 pm

I put a link in the tech section for a company selling new sending units for 73 -77 cars

___________________________________________
1977 Chevelle SE x2
One Mild original
one Wild NON original
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Post by lars on Tue Oct 26, 2010 8:57 pm

When I got a new gas tank, I did a bunch of research and I came up with the website www.rockauto.com, my tank was like $120, sending unit was like $75
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Post by Limey SE on Tue Oct 26, 2010 9:04 pm

1/2" Sending Units 73-77 A-body

www.robbmcperformance.com

http://www.robbmcperformance.com/products/1093_gmsend.html

Application
1973-1977 GM "A-body" cars (except station wagon) including Century, Regal, Chevelle, Malibu, Monte Carlo, Cutlass, Grand Am, Grand Prix, and Lemans.

Features

* Drop-in replacement for factory 5/16" or 3/8" sending units
* Budget alternative to a fuel cell or weld-on sump
* Recommended for cars with engines over 450 hp
* Recommended for all cars with an electric fuel pump and return/bypass style regulator
* 1/2" pickup and feed tubes reduce flow restriction to suction side of fuel pump
* 1/2" return tube allows use of a return/bypass regulator without modifying the fuel tank or switching to a fuel cell
* Return tube can be capped off if no return line is used
* Use with a reducer to connect 1/4" vapor return line from a mechanical pump
* Accepts factory 5/16" vent/EEC hose
* Billet aluminum base and aluminum tubes are anodized for use with gasoline or alcohol
* Stainless fuel level sending unit works with OEM fuel level gauges (0-90 ohm)
* Eliminates restrictive, difficult to service intank "sock" filter. Use with RobbMc inline prefilter
* MADE IN THE USA

___________________________________________
1977 Chevelle SE x2
One Mild original
one Wild NON original
Anthony
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Post by JB2wheeler on Tue Oct 26, 2010 9:50 pm

Pila, personally I much perfer a 3 or 4 row cooper radiator to an aluminum radiator. Why? Because of price and a POSSIBLE reliability issue. I know, there are good aluminum radiators out there, but the way I look at it is why take a chance. Like I said, personal opinion. JB
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Post by IndyG3 on Tue Oct 26, 2010 10:27 pm

Limey wrote: (except station wagon)

That's where I stopped reading. Laughing
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Post by pila on Wed Oct 27, 2010 2:51 am

The El Camino tank is different than the sedans of course, with the filler pipe coming out the side and not the rear. Not aware of the wagon set-up. I bought the sending unit from the El Camino Store some time ago, and it was the last one they had for a '77 at that time, which was before they sold out to the outfit that owns it now. It's a 3-tube type sender. My '75 Elco had only a 2-line set up, and I added another new line (return) during the body-off part of the project. The Caddy fuel pump is a 3-line type.
My issue with the aluminum radiator is the nose-heavy aspect of an El Camino in winter weather. Never had a problem in winter with the three other ones, but they were small blocks
I plan on using a Sanden AC compressor, since as many of you folks know, an A-6 is a heavy monster.

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Post by mal76ibu on Wed Oct 27, 2010 7:24 am

I know el caminos are diff then the malibu, but I put a 95 Impala tank in, Had to plug an extra hole. But its plastci not metal. I believe the wagon say age is a side fill like the el camino. Just food for thought
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Post by IndyG3 on Wed Oct 27, 2010 5:14 pm

The station wagon gas tank is the same, if not similar to an El Camino gas tank. It is tucked up in the driver side rear fender.
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Post by pila on Wed Oct 27, 2010 10:22 pm

I haven't seen a tank listed for a wagon, and maybe a wagon resto could use an Elco tank, with a bit of work. Old wagons seem to be getting more popular in these times.
I had to use Chevelle tank straps, which I had to add some length to. I didn't locate any Elco straps when I was buying parts a few years back.

BILL

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Post by IndyG3 on Thu Oct 28, 2010 3:13 am

So far, it seems like my best bet is to either: A. replace all of the wiring and check the armature on the sending unit that is already in place, or B. buy a new sending unit, and put the little lever from the old sending unit on the new one and see if that works.
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gas tank Empty Re: gas tank

Post by pila on Thu Oct 28, 2010 6:28 pm

The GM sender is a o to 90 ohm set-up, so whatever other GM sender that fits the tank opening should work, with an arm to match tank depth, and with the arm swing in the direction of the original.

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