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04-04-2009, 02:46 PM
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CC Member
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Join Date: Dec 2002
Location: caledonia,
il
Cobra Make, Engine: #1459 w/460(sold)New(used),spf w/427s.o.(sold)
Posts: 578
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Not Ranked
Eric, if its the rear that came w/the car its a 3:46. Hows it seem to run so far ? Your engine is makin me want to sell my lil ol 427 and go w/a KC Big, BIG block. Maybe when I go back to work....
jr.1245
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04-04-2009, 06:38 PM
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Senior Club Cobra Member
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Join Date: Oct 2006
Location: Santa Cruz,
CA
Cobra Make, Engine: SPF 2613 Titanium w/Black, Roush 402SR
Posts: 4,098
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Not Ranked
Quote:
Originally Posted by sparks
Eric, if its the rear that came w/the car its a 3:46. Hows it seem to run so far ? Your engine is makin me want to sell my lil ol 427 and go w/a KC Big, BIG block. Maybe when I go back to work....
jr.1245
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Some of the early cars had a 3:73 rear end, but I think that was when they used the T-Bird rear end. Eric, you can go recalculate your ratios. 
__________________
Doug
No stop signs, speed limit - Nobody's gonna slow me down - Like a wheel, gonna spin it
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04-04-2009, 09:53 PM
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Banned
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Join Date: Oct 2003
Location: Yorba Linda,
CA
Cobra Make, Engine: SPF w/392CI stroker
Posts: 3,293
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Not Ranked
Quote:
Originally Posted by Got the Bug
Some of the early cars had a 3:73 rear end...
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Yup. I was reminded of that earlier today when I pegged the rev limiter a couple times. 3.73:1 gear + happy SB = high revs very quickly.
-Dean #747
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04-04-2009, 10:12 PM
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Senior Club Cobra Member
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Join Date: Oct 2006
Location: Santa Cruz,
CA
Cobra Make, Engine: SPF 2613 Titanium w/Black, Roush 402SR
Posts: 4,098
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Not Ranked
Quote:
Originally Posted by RedBarchetta
Yup. I was reminded of that earlier today when I pegged the rev limiter a couple times. 3.73:1 gear + happy SB = high revs very quickly.
-Dean #747
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I know what you mean Dean! Do you keep your eye on the road or the tach?
It reminds me of the famous line "Well, do you feel lucky punk? Well do you?"  
__________________
Doug
No stop signs, speed limit - Nobody's gonna slow me down - Like a wheel, gonna spin it
Last edited by Got the Bug; 04-04-2009 at 10:47 PM..
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04-04-2009, 10:26 PM
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CC Member
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Join Date: Feb 2001
Location: St. Louis, Missouri,
MO
Cobra Make, Engine: SPO 2715
Posts: 1,648
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Not Ranked
Quote:
Originally Posted by sparks
Eric, if its the rear that came w/the car its a 3:46. Hows it seem to run so far ? Your engine is makin me want to sell my lil ol 427 and go w/a KC Big, BIG block. Maybe when I go back to work....
jr.1245
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Huh...
I thought for sure it was a 3:55. But it isn't really right compared to the calculator anyway.
I will be under the car this week checking a few things out, and will see what the ratio is.
KC builds a really nice motor, lots of power!
E
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04-14-2009, 11:43 PM
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Senior Club Cobra Member
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Join Date: Dec 2003
Location: Cleveland area, OH,
OH
Cobra Make, Engine: CSX4xxx, Alum. Shelby 427 w/ Webers,
Posts: 25,033
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Not Ranked
Any more miles on it?
Would you recomend the dynatek system?
thinking about it ...they are really close to me, About an hour away.
.
__________________
Jon
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04-15-2009, 09:51 AM
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CC Member
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Join Date: Feb 2001
Location: St. Louis, Missouri,
MO
Cobra Make, Engine: SPO 2715
Posts: 1,648
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Not Ranked
some new info on my Dynatek system
Quote:
Originally Posted by BigGuy
Any more miles on it?
Would you recomend the dynatek system?
thinking about it ...they are really close to me, About an hour away.
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BigGuy,
I drove the car into work this morning, 34 degrees. Car was in the garage, but cold. The car started right up with minor feathering of the gas, and drove right down the street, no problems.
You can not beat the WOW factor when you pop the hood. I'm not kidding, the system looks sick.
As I said before, we had tuning issues and I am still breaking in the clutch and motor with less than hard acceleration. So I am still not a good reference.
Right now, I would say that if you are close to Dynatek, I would not worry as much as someone that is 4-5 hours or more away about tuning issues, since you could roll down the street to their office.
But the choice of ECU's would be a key factor if I were buying another, and who is responsible for the tuning, with an eye towards "drivability". If I would have known I could have a FAST ECU, I would have one. The ECU I have is different, and different is a learning curve for your local dyno shop.
I will post more as I get it.
Eric
Last edited by Great Asp; 04-15-2009 at 09:52 AM..
Reason: know = known
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