Have questions!! MPG
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Cross-Country
Joined: Aug 2009
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Have questions!! MPG
I own a 1992 f-250 2wd 351, wondering what the best upgrades would be to increase MPG. Exhaust, intake, electric fans, tune-up "performance". Any help will be appreciated! Just remember i drive this truck all day for work Paintless Dent Repair!!!
More Turbo
Joined: Sep 2003
Posts: 630
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From: Northeast
Did you tell us about this in Post #1? LOL
If not, how can we be expected to "remember"?
And what kind of mpg are you getting now? Is it highway, city or a combination of both?
Stock rims/tires?
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Cross-Country
Joined: Aug 2009
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What does me having two posts have to do with my ? All I was asking is what upgrades are best for mpg improvement, doesnt matter what I have on my truck, just what in your guys experience what bolt ons work best!
FTE Legend
Joined: Jun 2006
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From: Ottawa, Ontario
Well see it does matter, every truck is differrent so there is no one size fits all. If you have a C6 tranny and 4.10 gears you need to swap in an OD tranny.. nothing else will make much difference. But if you have an OD tranny already then maybe a gear change or some exhaust upgrades would server you better.
Freshman User
Joined: Aug 2009
Posts: 28
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That's a lot of truck you got there for I assume no heavy duty/every day use.
It would be far easier/cheaper to sell it and buy a smaller, lighter, more fuel efficient truck, but that not what you asked is it?
Other than allowing the engine to "breath" better with a free flowing replacement air filter(K&N in stock box, not the junk hot engine bay air expensive cone types) and switching to less restrictive cats and mufflers, there's not much more you could do to improve on a properly tuned/running fuel injected motor as the PCM is programmed to handle a wide range of different driving conditions and loads.
For the truck itself, ensure it's brakes are in good working order(sticky calipers cause drag) and front end is in correct alignment and that tires are properly inflated.
For the driver(you), don't carry unneeded cargo(extra weight), go easy on the throttle(especially on take-offs), idling no longer than necessary, and look ahead for red lights, etc. letting off accordingly to avoid starting from a stop.
Other than that, good luck!
It would be far easier/cheaper to sell it and buy a smaller, lighter, more fuel efficient truck, but that not what you asked is it?
Other than allowing the engine to "breath" better with a free flowing replacement air filter(K&N in stock box, not the junk hot engine bay air expensive cone types) and switching to less restrictive cats and mufflers, there's not much more you could do to improve on a properly tuned/running fuel injected motor as the PCM is programmed to handle a wide range of different driving conditions and loads.
For the truck itself, ensure it's brakes are in good working order(sticky calipers cause drag) and front end is in correct alignment and that tires are properly inflated.
For the driver(you), don't carry unneeded cargo(extra weight), go easy on the throttle(especially on take-offs), idling no longer than necessary, and look ahead for red lights, etc. letting off accordingly to avoid starting from a stop.
Other than that, good luck!
Freshman User
Joined: Aug 2009
Posts: 34
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conaski and 94shorty just about answer every question you asked with out any information on what you already had installed. i know from personal experance tire size and width have a lot to do with gas milage.
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Cross-Country
Joined: Aug 2009
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Thank you 94shorty! As far as alot of truck to use for everyday driving I carry all of my tools in the back, and on the weekends it pulls my bikes! You think drop in K&N filter is the best way to go? And what kind of exhaust, also we have no smog check out here or visual inspections so the cat is going away for a long vacation!
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From: raymond alberta
just get a hi-flo cat, or even just a off the shelf new cat...the old cats on these trucks sucked because they did not have the "technology" they do now, a cheap one from ny muffler shop with be lightyears ahead of the one you have in there and will give you major benefits especially if your cat happens to be clogged
throw in a good drop in air filter like the K&N...DO NOT go with the cheap "cold air" kits, all they do is add a stupid cone filter that sucks hot air in from the engine bay...pointless and can actually hurt you MPG in some situations...a good cold air kit on the other hand (the expensive ones) that basically re-do the whole intake system can show some gains but still not worth what you pay IMO
get a free flowing muffler (assuming you have a stock one)
get your timing set, if its out it can hurt more than MPG, manufacturers spec is 10* BTDC but i run 12* which improved my MPG and low end torque
you can also pull the codes (this is free) CEL or not there may be something wrong that is affecting your MPGS but the EEC does not recognize it serious enough to gice you a CEL
throw in a good drop in air filter like the K&N...DO NOT go with the cheap "cold air" kits, all they do is add a stupid cone filter that sucks hot air in from the engine bay...pointless and can actually hurt you MPG in some situations...a good cold air kit on the other hand (the expensive ones) that basically re-do the whole intake system can show some gains but still not worth what you pay IMO
get a free flowing muffler (assuming you have a stock one)
get your timing set, if its out it can hurt more than MPG, manufacturers spec is 10* BTDC but i run 12* which improved my MPG and low end torque
you can also pull the codes (this is free) CEL or not there may be something wrong that is affecting your MPGS but the EEC does not recognize it serious enough to gice you a CEL
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