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G3GM 1973 to 1977 A-bodys. Chevelles, Monte Carlos, El Caminos, Laguna, 442, Cutlass, Malibu, GTO, LeMans, Century, Regal, Grand Am, Grand Prix, Sprint, Gran Sport, Can Am, Hurst-olds, and other 73-77 A-bodies


still tinkering on the Elco..an update..

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still tinkering on the Elco..an update.. Empty still tinkering on the Elco..an update..

Post by pila Mon Aug 01, 2016 9:17 pm

I have some issues to deal with yet on the '75 Elco. It seems that the connector behind the gauge panel isn't working on a couple contacts, namely the left turn indicator light, and the high beam indicator light. I've had the panel out a couple of times, so it's gotta come out again. Last time was to replace the speedo cable. Must have disturbed some wiring or connector also, because now the gas gauge doesn't work ! Very Happy Also the Tach quit taching ! So, the fun continues.
Other things I've done include a new brake booster. The old one (1977) must have had some internal problems, because it wasn't giving enough boost to be comfortable with the brakes. They work really good now.

Some weeks ago I was fighting the Q-jet carb, and it's still not working very good. I have an electric fuel pump in the rear, that I unhooked from the fuel system, thinking it wasn't helping the carb problem. Right now I'm thinking the fuel level in the carb isn't keeping up with just the engine pump, and I'm gonna hook up the electric again. The engine pump makes about 4 to 5 PSI, and the electric, when it's on, makes about 7 PSI.
One reason I unhooked the electric pump is because it's loud as hell. I plan on insulating around it, to get it quieter. It's located under the panel in the front of the bed, in that cavity.....
I have a brief stumble when starting out with it, but if I just hold it down, it smokes the rear tires..( like it should) Very Happy More fun to come !!! Smile

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Post by 77mali Tue Aug 02, 2016 8:31 am

Darn gremlins...I feel for you my friend.
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Post by pila Wed Aug 03, 2016 6:10 pm

I changed the speedo driven gear today, went from a 41 tooth to a 42 tooth. Hopefully that will get it closer to actual.  Also re-plumbed the fuel lines at the front side of the ank, to hook up the electric pump again.

I'm picking away in between times at this, while also working on an airplane.  The shop hangar got up to 74 degrees today, while outside temp was 89 !! It pays to insulate a building !  11 inches in the walls, and 25 to 30 inches in the ceiling !! Very Happy
More electrical checking tomorrow, with the gauge panel problems.... Rolling Eyes

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