Gas Mileage problem?!
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Gas Mileage problem?! - 4/4/2008 5:59:59 AM
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Justin_98Durango
Posts: 23
Joined: 4/3/2008
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What kind of wires/plugs are best to run in a 318? I changed mine about 6k ago and have noticed a severe decrease in MPG. At cruising speeds before I was averaging 18-20 and real time on straight stretch (flat run at 65mph) was 24-27, now on the same stretch of road I get like 17. I put Bosch plat +2's in it and duralast wires.
Also, what are some things to do to increase mpg?! With the gas prices going up, I need to conserve where possible. Any help will be much appreciated!
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RE: Gas Mileage problem?! - 4/4/2008 6:03:55 AM
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rgouette
Posts: 9
Joined: 3/17/2008
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Not sure about that year, but everthing I read on prior posts here pointed to using regular old Champion plugs.
Not the Iridium ones: just plain old "Regular" Champions.
I put them in myself last weekend, but haven't done any milage comparason, as I've not really owned it long enough..
Sounds like you might be looking for a commuter car though if you want really conservative gas milage.
:)
Rich
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RE: Gas Mileage problem?! - 4/4/2008 6:07:07 AM
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Justin_98Durango
Posts: 23
Joined: 4/3/2008
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I have an SVT contour that I use for trips where I don't have to get alot of people in there, just me and the fam if you will. But this thing is just killing me with gas bouncing from 3.25-3.49 in my area, and having to fill up from 1/8 tank every week. I put about 200-240 miles on a tank a week right now. I guess I will just have to drive the car more.
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RE: Gas Mileage problem?! - 4/4/2008 5:20:58 PM
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hydrashocker
Posts: 1789
Joined: 6/12/2005
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quote:
ORIGINAL: Justin_98Durango
What kind of wires/plugs are best to run in a 318? I changed mine about 6k ago and have noticed a severe decrease in MPG. At cruising speeds before I was averaging 18-20 and real time on straight stretch (flat run at 65mph) was 24-27, now on the same stretch of road I get like 17. I put Bosch plat +2's in it and duralast wires.
Also, what are some things to do to increase mpg?! With the gas prices going up, I need to conserve where possible. Any help will be much appreciated!
Get that crap out of there!
Go get some Champion Truck Plugs, Iridium, or regular. Bosch is shit in your truck. Never put a Jap. plug into a American motor! (rule of thumb)
I run the Truck Plugs. I also run an MSD Ignition and wires. But right now I'm running regular but, I'm going back to the Truck Plugs gapped at .042 for my ignition.
Get OEM wires or MSD 8.5mm wires. Cap and rotor should be brass contacts.
_____________________________
1998 Durango, 5.9L Built Motor Bored 20 Over, P&P Heads, K&N Ram Air CAI, MSD Ignition, 52MM Fastman TB, Built T-Case, Custom Built Trans, Air Bags, Magna Flow 3" Cat Back Exhaust
On and On!
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RE: Gas Mileage problem?! - 4/4/2008 8:06:28 PM
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spencea15
Posts: 1646
Joined: 9/22/2007
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Champion Truck plugs are the same spark plug as the regular it is just painted a differnet color. This info comes from a person who works for champion on disign work.
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ORIGINAL: Jr. Mechanic Dont you hate it when you have no toilet paper? And then you have to use 3 boxes klenex's and it still feels like you have shit in there?
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RE: Gas Mileage problem?! - 4/5/2008 10:46:10 AM
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Duranged408
Posts: 262
Joined: 1/6/2008
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For the Magnum engines i would recomend Autolite 3923 (reduce ping/smooth idle), and the 4.7L NGK 2262. Cap, i suggest Napa, brass contacts are the way to go,mopar caps are aluminum contacts.
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RE: Gas Mileage problem?! - 4/5/2008 10:51:07 AM
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Justin_98Durango
Posts: 23
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I will head to Autozone today and get the correct plugs. The wires will have to wait another week or so. As for ignition, what part #'s are on the MSD coil and is there an aftermarket complete ignition, such as a MSD 6L or anything? I am new to dodge, and have mostly worked with ford fuel injection in the past.
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RE: Gas Mileage problem?! - 4/5/2008 12:33:24 PM
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Durango03
Posts: 65
Joined: 11/2/2007
From: Clayton, NC
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I always thought the 4.7 WAS the Magnum? I have an 03.
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Sean
'03 Durango 4.7
'97 Avenger 2.5
'76 Cobra II 5.0
'78 Mustang II 2.3
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RE: Gas Mileage problem?! - 4/17/2008 4:22:29 PM
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DRO318
Posts: 52
Joined: 4/17/2008
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Everyone! Dude check out the new E3 power spark plugs. I have tried all the spark plugs out there and these E3 PLUGS RUN THE REST IN THE GROUND... plus with the 100,000 mile warranty how can one go wrong. Check out my second page @ http://www.cardomain.com/ride/2646307 . For better gas mileage...
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< Message edited by DRO318 -- 4/17/2008 4:56:14 PM >
_____________________________
"DRO318"
275/45/20s,Bilstien shocks,Personal made front grill, Custom made ram air, tornado,fuel boss, Champion spark plugs,Accel ignition coil, cap, and rotor, rebuilt trans with shift kit, PVC enhancer
http://www.cardomain.com/ride/2646307
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RE: Gas Mileage problem?! - 4/17/2008 9:00:05 PM
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IndyDurango
Posts: 761
Joined: 6/24/2006
Status: online
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quote:
ORIGINAL: Duranged408
For the Magnum engines i would recomend Autolite 3923 (reduce ping/smooth idle), and the 4.7L NGK 2262. Cap, i suggest Napa, brass contacts are the way to go,mopar caps are aluminum contacts.
I agree. You are 100% correct sir! Those would be my exact recommendations. I am going to look into the E3s however for sh!ts and giggles. I can always take 'em back out for my $1.00 3923s
IndyDurango
< Message edited by IndyDurango -- 4/17/2008 9:33:28 PM >
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RE: Gas Mileage problem?! - 4/18/2008 8:11:58 PM
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DRO318
Posts: 52
Joined: 4/17/2008
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the rear Brake problem may be solved by replacing the "brake kit" . Considering the spark plugs burn all the fuel... it ran a hello lot better with power and the gas mileage went from 11+ to 13.6 in the city. power you will feel!
_____________________________
"DRO318"
275/45/20s,Bilstien shocks,Personal made front grill, Custom made ram air, tornado,fuel boss, Champion spark plugs,Accel ignition coil, cap, and rotor, rebuilt trans with shift kit, PVC enhancer
http://www.cardomain.com/ride/2646307
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RE: Gas Mileage problem?! - 4/19/2008 8:09:59 AM
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Justin_98Durango
Posts: 23
Joined: 4/3/2008
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I am getting my rear brakes rebuilt next week. Springs, wheel cylinders, shoes the works. I am also getting my front brakes and bearings done. So hopefully less drag from rotating parts.
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RE: Gas Mileage problem?! - 4/20/2008 9:10:53 PM
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hydrashocker
Posts: 1789
Joined: 6/12/2005
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I run a 15.2 mileage in the city. 17 and up Hwy at 75 mph.
E-3 work for about 1000k and thats it. Power goes ku-but.
Besides, they can't stand up to my ignition because they weren't built for the performance! They might do ok in OEM but I've read up on em numorous time and everyone says the same thing. 1000k and ku-put.
_____________________________
1998 Durango, 5.9L Built Motor Bored 20 Over, P&P Heads, K&N Ram Air CAI, MSD Ignition, 52MM Fastman TB, Built T-Case, Custom Built Trans, Air Bags, Magna Flow 3" Cat Back Exhaust
On and On!
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RE: Gas Mileage problem?! - 4/20/2008 9:14:00 PM
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hydrashocker
Posts: 1789
Joined: 6/12/2005
Status: offline
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quote:
ORIGINAL: spencea15
Champion Truck plugs are the same spark plug as the regular it is just painted a differnet color. This info comes from a person who works for champion on disign work.
They are a hotter heat range so better burn. Other than that, the same.
_____________________________
1998 Durango, 5.9L Built Motor Bored 20 Over, P&P Heads, K&N Ram Air CAI, MSD Ignition, 52MM Fastman TB, Built T-Case, Custom Built Trans, Air Bags, Magna Flow 3" Cat Back Exhaust
On and On!
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