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DURKA DURKA!!
Join Date: Sep 1997
Location: Lubbock, TX...(TX panhandle)
Posts: 1,418
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![]() The Cobra cam has a slightly higher duration than the H.O. cam.
.282 intake and exhaust vs. .278 intake and exhaust However, the Cobra cam also has a slightly lower duration than the H.O. cam. 270 intake and exhaust vs. 276 intake/266 exhaust There are a number of changes in the event phasing as well along with a decrease in overlap and and increase in lobe center. This cam was designed specifically for the Cobra GT-40 motor and its components. While it produces less overall horsepower than the H.O. cam, it offers more bottom-end torque, a smooth, stable idle, and reduced hydrocarbon emissions. It was also phased into production in the '93 Thunderbird/Cougar V-8 and was used in the '93 Cobra R, the '94-'95 Cobra and the '94-'95 Australian Falcon. --nathan
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'91 GT, Coast 347, 9.5:1 compression, full intake, Wolverine 1087 cam, exhaust, Keith Craft ported Windsor Jr. Irons (235 cfm intake, 195 cfm exhaust), AOD, PI 3500 converter, Lentech valve body, 3.73's (4.10's in the works), and Yokohama ES100's out back. Daily Car: '04 Infiniti G35 Sedan 6MT |
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