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Discussion Starter #1 (Edited)
Does anyone have access to ford factory camshaft specs for 4V mustang cobras?

Im rebuilding a Mark VIII engine that I plan to keep naturally asperated for awhile. Im trying to find the best camshafts for some low-end torque. Comp cams has a good set but I can buy a set of 4V replacement cams from ford for half the price. I heard Aviator cams make good low end torque but, will they work for my engine?



Can anyone help me out?
 

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I believe the marks cams are designed for lower end torque than the cobras higher revving cams. The navigators cams would work possible if you went to a C head??? The navi heads are different than the C heads due to their larger ports.
 

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Discussion Starter #4
You can run "C" head cams in the "B" heads. I'm running a set of Ford GT cams in mine, and I'm very happy with them thus far.

The Mercury Marauder borrowed a few cams from the Aviator SUV to make better low end torque and both are Naturally aspirated. The 03 Cobra cams were built with a supercharger in mind

Im sure crower and comp make the perfect cam for what I want but Marauder cams are half the price and offer more bang for the buck. If I get Marauder cams, springs, and retainers I can cut my costs drasticly.
 

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Discussion Starter #5
To answer my own question and to help anyone else out who might have this question I found this on Modular Fords:

96-98 Cam Specs:
Intake: Primary Lobe 196 duration (at .050)/ 390 lift
Secondary Lobe 206 duration (at .050)/ 390 lift
Exhaust: 196 duration / 390 lift (at .050)

99/01 Cam Specs:
Intake: 194 duration (at .050) / 392 lift
Exhaust: 194 duration (at .050)/ 390 lift

Mach 1, 03/04 Cobra, Aviator, Marauder.
Intake: 184 deg @ .050"/0.394" lift
Exhaust: 196 deg @ .050 / .394" lift

I've been told Mark VIII cams are similar to the Aviator, Marauder, and Mach 1 cams.
 
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