MK1 Rear End - Plumley Spoiler Mod - Page 2 - MR2 Owners Club Message Board
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post #21 of 52 (permalink) Old February 25th, 2006, 19:59
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zanny what color is your car painted? Im looking for a similar color for my spitfire
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post #22 of 52 (permalink) Old February 26th, 2006, 16:12
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Quote:
Originally Posted by strangethursday
zanny what color is your car painted? Im looking for a similar color for my spitfire
It's a custom mix. And I am not telling.
The clear is tinted with HOK candy apple red intensifier. Do a search in the paint and body forum. Type in "paint booth". It explains everything, from beginning to finish.
The only other person who knows the formula is 8Legs. And I don't think he is telling.
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post #23 of 52 (permalink) Old May 11th, 2006, 01:56
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Bringing up an old topic...

I got a second spoiler to destroy but before I start I was just curious what you guys use to cut out the sections of the spoiler you don't need anymore. Hacksaw? Sawzall? cutting disc? I'd rather not experiment to see what works best.
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post #24 of 52 (permalink) Old May 11th, 2006, 18:55
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I used a wiz wheel on the center stantion. Then a hacksaw on the outer section.
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post #25 of 52 (permalink) Old June 1st, 2006, 10:57
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I used a cut off wheel and then some sanding with 35grit paper and a grinder to get things smooth.
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post #26 of 52 (permalink) Old June 1st, 2006, 23:22
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I don't suppose one of these vortex generators would help at all, would it?? If not for the air getting to the spoiler in the right manner but how about also for creating extra "vacuum" drawing more air out of the engine cover?? Overlooking the fact the thing is FUGLY for the time being...

http://www.mitsubishicars.com/lancer..._gallery.html#
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post #27 of 52 (permalink) Old June 2nd, 2006, 00:14
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Yeah I've been wanting to do vortex generators too. But I was thinking about making a fiberglass version of the rear visor with the vortex generators on it. That would put it in the same spot as it is on the Evo pretty much. I just don't have time to do it though.
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post #28 of 52 (permalink) Old March 24th, 2011, 13:36 Thread Starter
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corrected some mis-spellings and stuck this thread. I linked to it via the MR2 Mail List.

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post #29 of 52 (permalink) Old March 24th, 2011, 13:44 Thread Starter
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UPDATE - 2011

Here are some other wings that I have used on the track with good success.

Mounted on my MK1.22 5SFE 2.2 liter powered MK1 MR2 Endurance Race car.
Made from aluminum with a gurney flap. Rear visibility was limited as spoiler blocked the rear view. A clear Lexan version would be ideal.




real APR aluminum spoiler. I like the look of this bad boy. It goes out to the absolute max width of the car. It really worked well too. More testing is needed though.




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Last edited by Bill Strong; March 24th, 2011 at 13:46.
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post #30 of 52 (permalink) Old March 25th, 2011, 14:17
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i like the look of the APR over that nascar spoiler, but doesn't the APR need to be a little higher up? and what ever happened to mounting to the sides of the rear quarter panel?

edit: did you seal up the side vent? if so, why?
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post #31 of 52 (permalink) Old March 25th, 2011, 15:05 Thread Starter
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The side vent is actually just a screen over it. it is functional.
Higher? ya, once I figure out how to do it properly. higher up has issues. like if the car gets backwards at high speed...

side mounts? another issue... mainly material and time. It is going to take some work, and frankly I had to spend time working on other projects.

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post #32 of 52 (permalink) Old March 25th, 2011, 15:08 Thread Starter
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You can see the vent screen here.. same stuff you use on the front spoiler to protect your radiator.
Image is before that muffler caught the bumper on fire... funny story there...

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post #33 of 52 (permalink) Old March 25th, 2011, 18:36
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lol... how many times did you catch yourself on that sheet metal spoiler before deciding to "soften" it up?


btw, the diamond plate bumper looks better anyways...
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post #34 of 52 (permalink) Old March 25th, 2011, 19:44 Thread Starter
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twice... I have a big scar on my arm and my back.

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post #35 of 52 (permalink) Old March 26th, 2011, 12:13
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I've been wondering what that modification of style to the spoiler was called and how it was done, thanks alot for resurrecting an old thread! Can't wait to try it out.
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post #36 of 52 (permalink) Old March 26th, 2011, 18:39 Thread Starter
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cool.post your pictures when done. those are of my Krylon Blue car from way back in 2000.

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post #37 of 52 (permalink) Old October 19th, 2011, 09:39
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So I finished cutting up my extra spoiler last weekend and mounting on the car. i also mounted a couple of shims under the spoiler, raising the rear up a couple more degrees. does this make the angle of attack too steep?

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post #38 of 52 (permalink) Old October 20th, 2011, 13:44
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You might have, but there is an easy solution: Gurney flap!

I)Get some 1/4" or 1/2" aluminum angle, 3M double sided tape.
A)Cut the aluminum angle to the width of the spoiler (bevel the corners a bit for your skin's sake)
iii)Tape to the TOP of the spoiler.
d) PROFIT!


If you use the CFD diagram stickied else where in this forum, it is possible to find the sweet spot for the spoiler.

Last edited by mtbmr2; October 20th, 2011 at 13:50.
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post #39 of 52 (permalink) Old October 24th, 2011, 23:02
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Quote:
Originally Posted by mtbmr2
You might have, but there is an easy solution: Gurney flap!

I)Get some 1/4" or 1/2" aluminum angle, 3M double sided tape.
A)Cut the aluminum angle to the width of the spoiler (bevel the corners a bit for your skin's sake)
iii)Tape to the TOP of the spoiler.
d) PROFIT!


If you use the CFD diagram stickied else where in this forum, it is possible to find the sweet spot for the spoiler.
Adding a spoiler would change the airflow across the entire rear section of the car and a new CFD would have to be run to see how it works. Unfortunately, basically no one has a solid model of any version of the MR2. The best I could find was a wire mesh that solidworks then tried to make into surfaces. It worked out all right for most parts but some spots got messed up and even then solidworks needs a solid body ( surfaces are not considered solid objects by solidworks ) in order to be able to run a CFD.
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post #40 of 52 (permalink) Old October 25th, 2011, 20:16
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Quote:
Originally Posted by mtbmr2
You might have, but there is an easy solution: Gurney flap!

I)Get some 1/4" or 1/2" aluminum angle, 3M double sided tape.
A)Cut the aluminum angle to the width of the spoiler (bevel the corners a bit for your skin's sake)
iii)Tape to the TOP of the spoiler.
d) PROFIT!
<snip>
something like this?

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