North American Turbocoupe Organization



Drag coeffiecent
THUNDERPINTO Offline
Senior Member
#1
Does anyone know what the drag is on TC'S ? I wonder how it measures up to late model cars.
2 87 TC's one is a Watkins Glen
88 TC no engine or interior,a no rust project
66 mustang coupe,71 triumph spit
52 Dodge powerwagon(s)
79 TC powered Pinto
99 Harley Roadking
73 750 Norton Commando Combat
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DonH Offline
Posting Freak
#2
0.32 comes to mind for the 87-88 but I can't find the source at the moment. Ford does considerable bragging about the shape of the "aerostyle design" starting in 83 with 87 the best of the effort but provides no figures in the sales literature.

Here are somes examples of CDs from the Sunday New York Times:

2007 Jaguar XK 0.36
BMW 650i 0.32
Mercedes SL and Porsche 911 Carrera 0.29

And the below mentioned Transam was (and is) .031 for 1983.
1987 TC stock except ATR 2.5"
1983 Pontiac Transam T-top 5.7 T56 [email protected] top speed: 176mph
1978 Fairmont 2.3 4-spd Big-top S/W
1946 Willys CJ2A 134.2ci L4 No-top
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Wjameson Offline
Member
#3
They claim that the 83 ( 9th generation birds ) had a drag of .35, but the Cougar guys for same generation say they are at .40 ??? here is link I found

http://en.wikipedia.org/wiki/Ford_Thunde...o_Birds.22
87 TC 5spd, 2006 Daytona R/T Charger,03 Anniversary HD Lowrider
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DonH Offline
Posting Freak
#4
That sounds right. The Couger's roof shape creates more drag with turbulance behind the rear window.
1987 TC stock except ATR 2.5"
1983 Pontiac Transam T-top 5.7 T56 [email protected] top speed: 176mph
1978 Fairmont 2.3 4-spd Big-top S/W
1946 Willys CJ2A 134.2ci L4 No-top
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EricCoolCats Offline
Member
#5
Cougar was .40 for 1983-86, and .36 for 1987-88.

Thunderbird was .35 for 1983-86. I have this much information confirmed. Not sure about 1987-88.
Eric - COOL CATS
The 1983-88 Mercury Cougar
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