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Old 03-04-2008, 08:49 PM   #11 (permalink)
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Quote:
Originally Posted by johnpr View Post
what i am thinking about for both of my wranglers is to make a brush guard that would have a plexi cover on it to guide the air flow, then i am also planing on (at least for my 002 wrangler) making a hardtop with an angle to it in the rear so that it would be closer to a fastback, i would also like to add a belly pan comprised of steel (for areas needing skid plates) and plastic (for non critical areas) i doubt that these mods would even bring it close to 30 mpg but it would at least be a start. i cant wait until spring, aero mods here i come
Gotta find the picture but someone did a kind of prototype of that kind of bumper on JF some time ago. I think they used one of those Smittybuilt Rockcrawler tube bumpers, the one that has a kind of basket for the front fogs. Anyway the whomever did it outlined filling the space between the tubes with lexan or something clear than taking a piece and angling it back over the front of the the grille guard ending up at the bottom of the hood.

Similar to Vikings fast back top? Or do you plan on rebuilding the rear roll bar?

I've been debating doing 33 Engineerings Aluminum Belly Pan and ditching the stocker. Save most 40lbs or so on that skid alone. Would be cool if there can be someone or some company to put out more Aluminum skids for Wranglers. The KJs are the only Jeeps I know of with that kind of aftermarket.

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Old 03-04-2008, 08:52 PM   #12 (permalink)
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Originally Posted by MetroMPG View Post
The trouble as I see it is there may not be any attached flow on the top of the roof because of the flat, vertical windshield blasting the air into turbulence upwards & to the sides. If that's the case, then a rear taper may not help much.

I'm not certain, though. I bet Phil could chime in with some sage advice. I'd say it's worth starting a new thread in the aero forum (plus that's the only forum Phil reads). I'm betting you guys won't be the last Jeepers to mull over this idea.
There isn't. It does look cool in the rain though. The windshield really needs to be bypassed
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Old 03-04-2008, 08:54 PM   #13 (permalink)
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OK, see post #7
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Old 03-04-2008, 11:50 PM   #14 (permalink)
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yes, welcome welcome.

Quote:
Penzoil Platinum 10w-30 Engine Oil
I don't know, but I heard from a veteran engine guy that has taken apart many engines run on penzoil motor oil, and he says that these motors tend to be the most sludged up gunky motors he's ever seen in his life. He said that valvoline is much better. Thats just what I observed from his shop.

Quote:
The trouble as I see it is there may not be any attached flow on the top of the roof because of the flat, vertical windshield blasting the air into turbulence upwards & to the sides. If that's the case, then a rear taper may not help much.


I've always wondered about these, and weather or not they help the air flow by hitting it on top and making it go with the roof air. *I think* It would also help at highway speeds because it would lessen the down force that trucks seem to have by creating a slight upforce, lessening the load on the engine and tires. equaling lower wind, rolling, and engine resistance.
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Old 03-05-2008, 01:35 AM   #15 (permalink)
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Generally I stay away from Penz products but I got a case of the stuff free so I figured WTH why not? Won't kill it and can't say no to free.

Do those Lund visors have pass through vents? Most of the ones I have seen are solid.
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Old 03-05-2008, 02:06 AM   #16 (permalink)
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my brothers blazer had pass through vents, as for the top i would redo the roll bar, i dont have the rear seat in anyways so its something ive been pondering for a while. i am not familiar with vikings fastback top, do you have a link or pics? also the aluminum belly pan/ skid plate sounds great, i'll have to check into that.
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Old 03-05-2008, 02:12 AM   #17 (permalink)
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http://vikingoffroad.com/viking_fastback.html
For the top, want one of those once Thor fixes his adhesive problem.

Yeah, its not so popular since most Jeepers fear Al for some reason. Can be stronger than steel and weigh less, cost is the only downside. That and knowing how to TIG weld
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Old 03-05-2008, 10:58 AM   #18 (permalink)
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that top looks nice, im thinking something slightly more agresive but im not sure because of the airflow.. after i have my measurements and drawings ill post on the aero forum and see if anyone has ideas
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Old 03-06-2008, 06:31 PM   #19 (permalink)
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Quote:
Do those Lund visors have pass through vents? Most of the ones I have seen are solid.
Huh, all of the ones I've seen let the air go through the other side. I always thought they were moon/sun visors
I might make one myself to try out when I get instrumentation.

They fear aluminum stuff because it gets gouged out and stuff too easily. All the hardcore jeepers like steel stuff for the "authentic" part anyway, especially the pre-CJ owners. Steel ammo cans and containers are one thing that is bought for them. they're good for looks, and a seat too.
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Old 03-06-2008, 06:42 PM   #20 (permalink)
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Originally Posted by DifferentPointofView View Post
Huh, all of the ones I've seen let the air go through the other side. I always thought they were moon/sun visors
I might make one myself to try out when I get instrumentation.

They fear aluminum stuff because it gets gouged out and stuff too easily. All the hardcore jeepers like steel stuff for the "authentic" part anyway, especially the pre-CJ owners. Steel ammo cans and containers are one thing that is bought for them. they're good for looks, and a seat too.
Saw one once on some old Chevy. Looked solid. :dunno:

Al is the way to go. But then again I don't do rocks.....

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