Question about 1985 Chevrolet El Camino

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I have a 1985 Chevy El Camino 305 and it gets very bad gas miliage, how do I rebild the carb

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  • Ron Tendler Nov 03, 2012

    or should i rebuild the carb?

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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SOURCE: rewiring 1959 chevy el camino

Are you needing advice, links, tricks, or all of the above?
If it's advice you want:
If you are not buying an after market harness and all of the oem wiring is intact replace one wire at a time from the component all the way back to the fuse box. Its tedious but, it's a sure fire way to get it right the first time.

Secondly, I'd by a haynes manual or some other wiring diagram. Study it for at least a couple weeks or until you are completely comfortable taking on the task.

Color code your wires and label both the old and new ones with paper tape and a permanent marker so that you know what each one is for.

Last but not least, make sure that the battery is disconnected... ;o)

Posted on Jun 01, 2009

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  • 2002 Answers

SOURCE: Will a 700r4 fit into a 87 el camino without

It depends on what the 700r4 came out of. Different vehicles had different length tail shafts. The best thing to do is to measure the length of the two transmissions. You should be able to get a driveshaft shortened for around $150 if you need to do it. Also don't forget to get the vacuum-electric switch and harness for the trans, on the firewall by the heater box.
This will really make a difference in your mileage so give it some serious thought. I replaced a Turbo350 with one and my weekly gas bill went from $100 to about $65-$70. Hope this helps.

Posted on Sep 22, 2009

SOURCE: 86 4.3 litre V6 chevy el camino bogging down, stalling out

most likely a weak fuel pump or a clogged filter. Check fuel pressure with a gauge or as its bogging down spray brake cleaner in the Throttle Body. If this allows it to increase RPM then its the pump or filter.

Posted on Oct 30, 2009

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c7121
  • 160 Answers

SOURCE: looking for vacuum diagram of a 305 chevy el camino

OBVIOUSLY U HAVE FOUND THE DIAGRAM U NEED. TAKE IT TO A PRINT SHOP AND HAVE THEM ENLARGE THE DIAGRAM SO U CAN SEE IT.

Posted on Dec 15, 2009

daves944
  • 1050 Answers

SOURCE: my 1985 chevy 305 gets 4mi to the gallon

Check your ignition timing at 3500 rpm you should have about 40 degrees of advance If not, something is sticking in the distributor, either the vacuum or mechanical advance. This will cause a big reduction in fuel economy. Also, check your tire pressure. The cfm on a rochester is really not important. The primary bores are so small and they are the only thing allowing the mixture in most of the time.

Posted on Jan 29, 2010

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