Quote:
Originally Posted by blykins
I'd basically leave it alone. If you're dead-set on the 3.31 gears (not a fan), then I would knock the .050" duration on the cam down a little bit.
The best person to ask is your engine builder....who are you going to have build it?
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I've spoken with Keith Craft and a couple of small builders in CT. but am still open as to who builds it and will give you a call to discuss. You're not a fan of the 3.31 gears? Would like to understand more. I'm not a high RPM guy - more of a low-end torque fan for street driving. So, I thought the 428 would handle the 3.31 well and would give me good cruising RPM's rather than having the engine screaming. With all that torque, I thought it'd be able to rev through the gears well. Not having the benefit of driving or riding in Cobras with different configurations, it is somewhat of a shot in the dark. As for wanting more hp later that may be true but, at 57 I'm a bit more settled down than some of the younger folks. I'm no stranger to speed and accelleration. Back in the mid-70's I drag raced motorcycles - 10.97 1/4 mile, the first third of that mostly on one wheel (technology has improved significantly since those days). I do plan to take a driving course if I wind up with more hp. Another consideration is that I plan to keep the car and potentially hand it down to my son - another reason to stay below the "killer hp" level. Also, in my original post I mentioned wanting to understand what to expect with fuel economy - silly with an FE, I know, but I think going out for a cruise and getting 12 or 13 mpg would be preferable to getting 8 and having all that extra power that would seldomly be called on. Not sure if that's even possible.
So, I'm open to suggestions and appreciate the help.
Regards,
Kevin