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New Gas Milage

collegeexplorer

Active Member
Joined
February 24, 2006
Messages
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City, State
Atlanta, GA (Work) Flint, MI (School)
Year, Model & Trim Level
'99 XL 4x4
Just thought I would do a quick post to show my improvements in fuel economy so far. Within the past few weeks, I've had a Flowmaster 40 installed, changed my spark plugs out to Halo Plugs, and installed an electric fan. I had been getting between 14 and 15 MPG with mostly driving in rush hour traffic in Atlanta. This last tank, I got 18 MPG in the same kind of driving. Not to bad for an OHV :D Most better response from the engine now too. I installed these in the order listed above. Didn't notice anything to big with the muffler, but did with the plugs, and then also with the e-fan. I didn't expect that much out of the plugs because I had just replaced my plugs with double platinum about 6 months ago, but these really made an improvement. (I tryed them because my dad had helped design them and he insisted I give them a try). I will be driving back up to school this weekend in Michigan, so I will post highway milage once I get there.

I'm not quite to the standards that alot of you on this site are, but I'm working my way there and not doing to bad considering I started with an OHV.
 



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tell me more about the halo plugs
 






Me too.
 












Its a new design in spark plugs that is supposed to help burn the gas more fully. Here is a link to the website:
http://haloplugs.com/

Basically, instead of having a prong or prongs like traditional plugs, it has a circle as its tip, so the spark goes directly into the chamber instead of around the tip first. I didn't think that it would really make much of a difference as I thought a clean plug would already be pretty efficient, but I noticed an immidiate improvement in acceleration and a slow increase in MPG after installing them. I reset the computer after a few days too which seemed to help to MPG.

The plug is still kind of in a testing stage. I know it is being used in government fleets (I think USPS) in Arkansas. In their testing, they found it made an improvement in most engines they used it in. Ford's OHV engines were one of the engines with the largest improvements. They are still a little on the pricey side at around $9 a plug, but I found it to be worth it.

It should be noted that the company does not recommend their plug to be used in a racing type application. They state that the plug will not handle the higer temps created from being at or above 5000 RPM for extended times and can damage the plug or engine.

Again, I can only say what I have observed from it, and have only had it in for a short period of time. I will continue to post results as I keep driving. The main reason I tried the plugs was just because my dad had been one of the original designers for it and has his name on the patent. I thought I would support his product. I am not trying to push this product on here as neither I nor my dad make any money off of sales of it right now. :)
 






interesting

im always on my truck tho so can it damage it
 






Now what about gapping the plugs tho? Does the halo eliminate the need?
 






collegeexplorer said:
Its a new design in spark plugs that is supposed to help burn the gas more fully. Here is a link to the website:
http://haloplugs.com/

Basically, instead of having a prong or prongs like traditional plugs, it has a circle

It should be noted that the company does not recommend their plug to be used in a racing type application. They state that the plug will not handle the higer temps created from being at or above 5000 RPM for extended times and can damage the plug or engine.

Hmmm
9 bux per plug--no rompy- no 5000 rpms, better performance.

Somehow I am confused :confused:
 






Afboy143 said:
interesting

im always on my truck tho so can it damage it

I know I'm not worried about it in my truck. I don't take it too easy on my truck either, but my engine still never seems to hit 5000 RPM's, or if it does, it shifts instantly. You can read through the site though and see what you think. I know they tested this plug on a batch of 4.0 Aerostars. Isn't that engine close to our 4.0?
 






kabukie said:
Now what about gapping the plugs tho? Does the halo eliminate the need?


You order a set of plugs made for your engine. They should arrive at the correct gap. I don't believe that you can adjust the gap on these. I might be wrong though. I know they list that the same plug is used in both of our 4.0 engines, as well as the 5.0, does that sound right?
 






jtsmith said:
Hmmm
9 bux per plug--no rompy- no 5000 rpms, better performance.

Somehow I am confused :confused:


Like I said, I am not trying to tell everyone to go out and pick these up, they are expesive, and not a traditional concept. If you do regularly see 5000 RPM's, I would be more cautious before installing them like it says, but that didn't worry me since I basically never see 5000 RPM's. I just wanted to post to let people know have started modding to improve milage.
 






Problem with my application is that I would need the smaller gap due to Forced Induction.
 






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