Aerodynamic Improvement (I hope)
Thread Starter
Safety Car
Joined: Nov 2005
Posts: 3,961
Likes: 573
From: Lompoc, CA. Santa Barbara County
My engine oil cooler lies flat parallel to the ground in the middle valence panel, behind the plate. The Indy Car spoiler is right behind it. Works great there. Oil stays very cool.
Bee Jay
Bee Jay
Drifting
Joined: Apr 2007
Posts: 1,892
Likes: 3
From: Springfield Illinois
Since that spot has already been taken. I guess you could try it. Although, I have heard that the evaporator makes a good cooler. Since you have done away with the a/c you wont be needing that either. You might be able to make some brackets and put it in front on your radiator.
Le Mans Master
Joined: Apr 2007
Posts: 7,353
Likes: 72
From: Graceland in a Not Correctly Restored Stingray
FRSTR90, think microwaves, diffraction and reflection of, and what kind of microwaves an over-exuberant driver may be threatened by. Passive measure too, so there's no FCC issues. I'm curious enough to know if it has a measurable impact on range that this item (with certain mods) will be facing tests against a Stalker K-band I have access to. Not sure when, tho. BTW, the Mythbusters have no clue on this stuff.
Last edited by TheSkunkWorks; Jan 13, 2008 at 04:24 AM.
Thread Starter
Safety Car
Joined: Nov 2005
Posts: 3,961
Likes: 573
From: Lompoc, CA. Santa Barbara County
Since that spot has already been taken. I guess you could try it. Although, I have heard that the evaporator makes a good cooler. Since you have done away with the a/c you wont be needing that either. You might be able to make some brackets and put it in front on your radiator.
Bee Jay
Drifting
Joined: Apr 2002
Posts: 1,743
Likes: 37
From: Stockton Ca
Spoiler and Wheels?
BJ: You have avery clean ride.
Will your spoiler fit on my 74?
What wheels and tires do you run, any problems?
Do you run spacers/adapters?
Is there room to go bigger, 255/40/18- 275/40/19?
Will your spoiler fit on my 74?
What wheels and tires do you run, any problems?
Do you run spacers/adapters?
Is there room to go bigger, 255/40/18- 275/40/19?
Thread Starter
Safety Car
Joined: Nov 2005
Posts: 3,961
Likes: 573
From: Lompoc, CA. Santa Barbara County
I have the factory optional flexible 3 piece Indy Pace Car front and rear spoiler and I believe it will bolt to any 74-79.
Bee Jay
Advanced
Joined: Apr 2006
Posts: 87
Likes: 0
From: Finly IN
Aerodynamics Improvements
Has anyone tried a panel, molded or flat to cover the undercarriage of the car to improve aerodynamics? Several manufacturers - VW, Porsche, Merecedes Benz have used this on differing models. It's aerodynamic improvement or hide oil leaks. 
Anyway, there are a lot of areas that are rough and disturb airflow that could be smoothed by a plates on the underside of the car.
Anyway, there are a lot of areas that are rough and disturb airflow that could be smoothed by a plates on the underside of the car.
Le Mans Master
Joined: Apr 2007
Posts: 7,353
Likes: 72
From: Graceland in a Not Correctly Restored Stingray
Has anyone tried a panel, molded or flat to cover the undercarriage of the car to improve aerodynamics? Several manufacturers - VW, Porsche, Merecedes Benz have used this on differing models. It's aerodynamic improvement or hide oil leaks.
Anyway, there are a lot of areas that are rough and disturb airflow that could be smoothed by a plates on the underside of the car.
Anyway, there are a lot of areas that are rough and disturb airflow that could be smoothed by a plates on the underside of the car.
Last edited by TheSkunkWorks; Jan 13, 2008 at 04:06 PM.
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Drifting
Joined: Feb 2003
Posts: 1,461
Likes: 2
From: Allen TX
I had the same idea to do this to my '02 Yukon XL about a month ago. To test I put blue painter's tape over the whole front grill and drove home from Kansas to Texas (6 hours). I averaged 2 mpg better with the tape. I do this everytime I drive back and forth from school now.
Thread Starter
Safety Car
Joined: Nov 2005
Posts: 3,961
Likes: 573
From: Lompoc, CA. Santa Barbara County
I like the idea, but keep it in prospective of the goal. If you want real aero improvements, first order of business is to reduce the amount of air which gets beneath the body to begin with, making an air dam an obvious requirement. Next is to evacuate hot engine compartment air efficiently. (The air dam helps that too, but so would larger vents aft of the front wheel wells.) Then cleaning up the belly would be more worth going to the trouble. (It should go without saying that the underside should be level or slightly raked.) If you want to go that far, address the air trapped in the wheel wells and ahead of the rear bumper. (Yes, I'm talking more holes in your bodywork.) Don't forget a diffuser. Skirts, but only if air is attempting to enter from the sides, as you wouldn't want to trap air trying to escape. (Anyone done any tuft tests for that?) Such a project could get quite involved, no? How far do you want to take it?
Team Owner
Joined: Sep 2003
Posts: 88,393
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From: eville in
I had the same idea to do this to my '02 Yukon XL about a month ago. To test I put blue painter's tape over the whole front grill and drove home from Kansas to Texas (6 hours). I averaged 2 mpg better with the tape. I do this everytime I drive back and forth from school now.
Le Mans Master
Joined: Apr 2007
Posts: 7,353
Likes: 72
From: Graceland in a Not Correctly Restored Stingray
Bee Jay, I'm sure you're more familiar than I am about prancing horses. Isn't there a model or two that the whole tail is just basically one big open grill with the taillights and tag hung in it?
Thread Starter
Safety Car
Joined: Nov 2005
Posts: 3,961
Likes: 573
From: Lompoc, CA. Santa Barbara County
You are prolly talking about the F40, but the 355 Challenge also had a grill for the tail panel. Even my 348 has a vent above the liscence plate. But the engine and mufflers and cats are all back there, it's to vent the engine compartment heat.
Last edited by Bee Jay; Jan 14, 2008 at 12:12 AM.
