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slant 6 carb info and mileage help #992266 05/14/11 04:25 PM 05/14/11 04:25 PM
Joined: Jan 2008 Posts: 508 Ontario, Canada 8 84Stepside OP mopar
84Stepside OP mopar 8 Joined: Jan 2008 Posts: 508 Ontario, Canada	i have a slant 6 in a 1978 D100 thats getting terrible gas mileage. i know its not running correct as it smells like gas bad when running and fouls the plugs. its got a 1 barrel carb on it. i am looking for tips on where to get a carb kit and some things to check to get it running like it should. I have had 2 other trucks with slants in the that got way better mileage and had the 2 barrel carb on them, any tips would be great, thanks!

Re: slant 6 carb info and mileage help [Re: 84Stepside] #992267 05/14/11 04:33 PM 05/14/11 04:33 PM
Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska	Holley I am assuming? R&R the needle/seat assy & check the float for waterlogged and is the choke coming off live every 24 hour block of time like it's your last day on earth

Re: slant 6 carb info and mileage help [Re: RapidRobert] #992268 05/14/11 04:43 PM 05/14/11 04:43 PM
Joined: Jan 2008 Posts: 508 Ontario, Canada 8 84Stepside OP mopar
84Stepside OP mopar 8 Joined: Jan 2008 Posts: 508 Ontario, Canada	i think the choke plate is stuck open, i will need to buy some parts forsure

Re: slant 6 carb info and mileage help [Re: 84Stepside] #992269 05/14/11 04:47 PM 05/14/11 04:47 PM
Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska	Stuck open would hurt your mileage from startup to warmed up in cold weather but wouldn't b what's making it run rich, go inside the carb & check it out for that live every 24 hour block of time like it's your last day on earth

Re: slant 6 carb info and mileage help [Re: RapidRobert] #992270 05/14/11 08:59 PM 05/14/11 08:59 PM
Joined: Sep 2007 Posts: 14,889 up yours Supercuda About to go away
Supercuda About to go away Joined: Sep 2007 Posts: 14,889 up yours	Might want to crack open the carb and check the jets. I had a reman Holley 1bbl on my 72 Dart that had a jet 6 sizes larger than the book called for. Mileage improved a lot once I put the right jet in it. They say there are no such thing as a stupid question. They say there is always the exception that proves the rule. Don't be the exception.

Re: slant 6 carb info and mileage help [Re: 84Stepside] #992271 05/15/11 12:19 PM 05/15/11 12:19 PM
Joined: Jul 2005 Posts: 1,181 Lost in the ozone again S stubbs300 Vacation
stubbs300 Vacation S Joined: Jul 2005 Posts: 1,181 Lost in the ozone again	Quote: I have had 2 other trucks with slants in the that got way better mileage and had the 2 barrel carb on them, any tips would be great, thanks! That's your problem right there! Get rid of that crappy 1bbl Holly, they seem to be nothing but headaches. I had a heck of a time trying to get mine to run half way decent at all. Upgraded to a 2bbl manifold and a Weber DVG on it and have been soooooooooo happy since.

Re: slant 6 carb info and mileage help [Re: 84Stepside] #992272 05/16/11 03:16 PM 05/16/11 03:16 PM
Joined: Feb 2009 Posts: 31 Kansas S Screamingdemon member
Screamingdemon member S Joined: Feb 2009 Posts: 31 Kansas	i have the entire setup for a super six, let me know if your interested.(2 bbl carb intake/exhaust air filter canister)

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