optimal MPG mods

[98_k1500]

+ to starter, alt to +, and - to engine are the big 3. There are many places the grounds on these trucks can be improved upon tho.

 

[K15 Blazer]

Ah. Yeah ive done all that already. Good wires helped the dependability immensely.
Who has done an electronic fan? What did you buy? Any problems? I also have a lot of lights.... alternator upgrade?

 

[K15 Blazer]

Mods I have personally done to my truck for better mpg....hmmm:

E fan
Jet chip stage 2 91 ocatane
cap 8.2mm wires and iridium spark plugs
Ultimate TBI mods (full) (dunno how much difference this made if any)
TB spacer
Set timing back to 0*
ProNet tailgate net
Remove any unneeded weight from bed and cab.
Timken hubs claim to increase mpg by decreasing rotating mass.
Big 3 mod (I hear this can improve mpg by decreasing load on the alternator)
High flow cat and single 3" cat back.
Synthetic 10w30 mobil1
4:56 gears
this is on my lifted 9" on 35 inch muds ecsb 5.7 4l60e

last fill up I used just a tad over 20 gallons of fuel and got just over 305 miles so I figure I got 15.25 mpg that's mixed rush hour highway traffic and city. I think that's really good for a lifted tbi

Pretty impressive...im interested in your fan and timing mods... obviously advancing the timing would require a higher octane though.
And i doubt chipping and wheel hubs would help my 1993... too old

 

[ccreddell]

I drive a ford transit connect for work. When I get out of it I feel like singing show tunes and talking about my feelings. I'm now emotionally secure enough to drive a Geo Metro with RuPaul giving me directions from the passenger seat.

Somehow this doesnt surprise me....

 

[1997k1500Calvin]

According to "Physics" appearently lol

I love it!! Just read all your posts to his post.. Funniest crap I've read in a while

Live action!!

 

[K15 Blazer]

You must be registered for see images attach

 

[Ruger_556]

There is also the wind drag is greater at higher speeds. That being said, I have found the Honda Civic mod to be the best bang for the buck mpg mod.

My Honda mod blew its oil cooler and was adopted by the locals...

 

[SkyHighColorado]

Pretty impressive...im interested in your fan and timing mods... obviously advancing the timing would require a higher octane though.
And i doubt chipping and wheel hubs would help my 1993... too old

its only a year older than mine! but I have 325K miles. I forget the brand of fan but I got it on ebay. its red and puts out 3600 cfm. it was around $200. I messed with my timing a lot and ran my laptop with my truck to see what was happening. It can be advanced a little bit with no chip/tune, with chip/tune you pretty much should set it back to 0*. To much advance under load will make the knock sensor retard the timing.

 

[skylark]

Somehow this doesnt surprise me....

Admit it. Your envious.

 

[skylark]

My Honda mod blew its oil cooler and was adopted by the locals...

46 mpg on the last fill up using the "Honda mod"!