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-   -   JohnPr's jeep aero mods (https://ecomodder.com/forum/showthread.php/johnprs-jeep-aero-mods-3035.html)

johnpr 06-12-2008 09:59 PM

JohnPr's jeep aero mods
 
so today i was working on the jeep, i did a few small improvements and worked on 1 large improvement.

so first we will start off with safety.

always use the proper tools for the job.

wear eye protection if the project warants it (use comon sense) - not necessary for what i did today, but may be on future projects.

use proper hand protection - today I used latex gloves, other projects will require mechanix gloves, leather gloves, or welding gloves

http://i126.photobucket.com/albums/p...atexgloves.jpg

keep a first aid kit around (or at least some band aids)

wear the proper clothing - some projects it doesnt matter what you wear but others you will want to wear long sleeves, and others you will want clothing which is loose fitting without being baggy.

hearing protection - some projects may require hearing protection, usually when using power tools

respirators / face masks - very usefull when working with paint, chemicals such as fiberglass (good for today).

shoes - always wear closed toed shoes, some projects may require steel toes

work in a well ventilated area, even if you are using breathing protection, built up fumes cause both breathing problems and are a risk for flash fires.

always try to work smarter not harder.
measure twice, cut once.
ok now that i have the safety part covered i will start working on posting what i actually did

johnpr 06-12-2008 10:10 PM

small aero mods
 
so here it is! the aerodynamic horror itself, a beautiful 2007 4dr 4wd jeep wrangler!

http://i126.photobucket.com/albums/p107/jjd_5/jeep1.jpg

http://i126.photobucket.com/albums/p107/jjd_5/jeep2.jpg

ok the blue arrow points at a rubber nub used to support the windshield when its lowered, the red arrow is after removing the passenger side nub and covering the whole with painters tape

http://i126.photobucket.com/albums/p107/jjd_5/jeep3.jpg

the red arrow points at the windshield tie down loop, i will be removing this tomorow.


http://i126.photobucket.com/albums/p107/jjd_5/jeep4.jpg

i also covered the hood hinges with painters tape, this is in the middle of covering it, i made it a gradual slope up and a gradual slope behind it also
i plan on making a fiberglass "ramp" for it

in my next post i will be talking about my "grill block plus"

johnpr 06-12-2008 10:57 PM

John PR's "grill block plus"
 
materials:
cheap paintbrushes, they will be tossed out - i bought this set from dollar tree
http://i126.photobucket.com/albums/p..._5/brushes.jpg

aluminum foil- doesnt need to be expensive either, other masking materials may work but this is what i used

http://i126.photobucket.com/albums/p...d_5/alfoil.jpg

fiberglass cloth and resin - i used bondo brand which is available from many home supply stores (home depot), wal-mart (automotive section), or auto supply stores (auto zone)

painters tape -doesnt leave a nasty residue, very useful for many things

core material - i used cardboard because it is readily available and free from my apartment buildings paper recycling bin

also i picked up some foam posterboard from dollar tree, i dont know yet if it will react with the resin or not, i will fill you in later on that.

a spreader - good for geting air bubbles out

http://i126.photobucket.com/albums/p...5/spreader.jpg

this was a bit of trial and error, most projects are. i picked up some glue as that was how i origionally wanted to hold the cardboard together, hot glue works wonders, but i dont have an outlet in my workspace.


first i made an upright piece
http://i126.photobucket.com/albums/p...rillblock1.jpg

then in order to make an identical piece i outlined the first

http://i126.photobucket.com/albums/p...rillblock2.jpg

here are the 4 upright / support pieces, i will be removing the foglights tommorow because i did not have the proper tools with me today

http://i126.photobucket.com/albums/p...rillblock3.jpg

i have started putting the blocking pieces, i used painters tape to hold it all together

http://i126.photobucket.com/albums/p...rillblock4.jpg

i will be covering the light area with plexiglass tomorrow after i finish the suface prep and painting

http://i126.photobucket.com/albums/p...rillblock5.jpg

getting more of the grill block together

http://i126.photobucket.com/albums/p...rillblock6.jpg

the hole in the center of the grill block is so that i can adjust airflow according to the weather, i am using an old cookie sheet someone threw out, i will attach it with screws.

http://i126.photobucket.com/albums/p...rillblock7.jpg

this is the side view

http://i126.photobucket.com/albums/p...rillblock8.jpg

quite a difference?

before:http://i126.photobucket.com/albums/p107/jjd_5/jeep2.jpg

after:http://i126.photobucket.com/albums/p...rillblock9.jpg

this is where the alum foil comes in, use it to cover anywhere that might possibly get resin on it, cover anywhere that wont get resin on it. its just cheap insurance

http://i126.photobucket.com/albums/p...illblock10.jpg

first coat of fiberglass is on, i was mostly trying to stiffen this up a bit and make it water proof, i have to paint it tomorrow, screw it on and put the light covers on tommorow, i am going on a camping trip this weekend so i wont be able to post any completed pictures until monday.

http://i126.photobucket.com/albums/p...illblock11.jpg

so far this project has costed me less than $40,

fiberglass cloth - $12
fiberglass resin - $10
cardboard - free
painters tape - $2
aluminum foil - $2
brushes - $1
latex gloves - $1

*notes - some of these are common sense but i know people who have done some of the no-nos,

*never use a razor blade near paint
*cover everything that you remotely care about getting damaged
*be patient - when you rush you will make mistakes
*dont get angry - you will make mistakes, its part of life, just try to fix them as best you can
*use the proper safety materials
*measure twice - cut once
*have fun

FX2.3 06-13-2008 12:30 AM

Subscribed!:thumbup:

Looks real good!

zjrog 06-14-2008 09:11 AM

Interesting... Will this be removable so you can still hit the trails and not overheat?

I'd love to get a 4 door Wrangler when my ZJ dies. But, I really want one with the diesel they keep teasing us with.

johnpr 06-15-2008 11:56 PM

yes it is removable, i put over 200 miles on it this weekend and the heat didnt go over the normal point despite being over 90 degrees. i ended up having to redesign it a little though because the area covering the lights did not end up being as stron as i would have liked, i am considering making one out of sheetmetal to fix this issue and to also make it look a little nicer.

i find that the 4 dr wrangler from the factory has a decent amount of power, i use it to tow quite often and also towed my brother's s10 today a distance of ~30 miles with no heat issues. i would like a diesel engine for it but i have no idea how long until something decent comes out.

i am looking at making an airdam but i will have to see what time i can get to do that, i have alot going on in the coming weeks preparing the rv for a long trip (to wyoming and back) so i have to do some aero mods on that first
-john

johnpr 06-17-2008 09:55 PM

so i filled up the tank today, i averaged 21.29 mpg. it was quite the increase considering i added the grill block 90 miles into the tank so i dont know the complete impact yet, also i towed a vehicle so all in all i think it was a very positive gain.

zjrog 06-17-2008 11:26 PM

Cool. Can't wait to see the finished product.

Red 06-18-2008 12:04 AM

Cool, subscribed

johnpr 06-18-2008 07:25 PM

New Mirrors!!
 
I have been wanting smaller mirrors for the jeep, i would just do a mirror delete seeing as how simple that is on my jeep (2 bolts on the inside, easy access) but the reason i dont is because (as mentioned before) i tow, alot (most of the time that i use my jeep) so i found a pair of "Euro Sport mirrors" from autozone which costed me about 32 USD so I got them.

http://i126.photobucket.com/albums/p...5/SSPX0365.jpg
origional mirrors

http://i126.photobucket.com/albums/p...5/SSPX0364.jpg
new mirror

http://i126.photobucket.com/albums/p...5/SSPX0366.jpg
size comparison

the mirror lenses are darker on the new ones and they shake a little as i drive but thats fine, they get the job done.


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