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 2Likes
06-10-2012, 01:02 PM
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CC Member
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Join Date: Jul 2007
Location: Detroit Burbs,
MI
Cobra Make, Engine: Former owner of SPF#2632
Posts: 257
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Not Ranked
#2632 has the TKO 600 with .82 5th gear. I absolutely loved this setup coupled with the Roush 402. Like mentioned, third gear is a natural shift, open palm straight away and I dont think I ever missed a shift, even under throttle. If you are doing as much highway as street and backroad, you may want to consider the .64 fifth. Depending on your setup, it may rev a bit too high on the highway for your liking. Work the calculator numbers and it will give you a great sense of your revs.
BTW Doug, #2632 sold and departed on to a former SPF owner who now lives in Wisconsin. There is a big empty space in my garage and my heart...but I am happy of the future plans for the car. I may keep posting from time to time just because I loved that car so much...and the people associated with them are a great group.
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06-10-2012, 03:02 PM
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Senior Club Cobra Member
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Join Date: Nov 1999
Location: Folsom,
CA
Cobra Make, Engine: ERA 623, 427 S/C Cobra. Ford FE 428 Cobra Jet, Ford Nascar TL 4speed - with a touch of raw; "less is more" theme
Posts: 3,887
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Not Ranked
Based on Jeff's post and profile, it appears he is running a stroked 427 for 454ci. I bet its a torquey motor that has plenty of grunt to pull right through 1st gear easy with a WR TL. No problem. My car is actually faster off the line and out of the hole with a taller 1st gear and taller rear gear ratio such as 3.31 or 3.08. Have run a few side by side comparisons and at the drag strip. I can take off in 4th gear from a dead start with my FE and 3.31s. Same with my last Cobra FE with 3.08s. As for the TKO in a Big Block Cobra, I think as long as you get a TKO 600 or custom built one with out such a low 1st gear it would be fine. Most complain its a waste and start out in 2nd if they need to get off the line quicker with less tire spin.
As for "notchy" I too noticed the TKO 600s loosen up with some time on them but nothing close to the butter shifting TL, even with mods.
__________________
Duane
Western States Cobra Group 1998-2016.
Last edited by decooney; 06-10-2012 at 03:06 PM..
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06-10-2012, 07:36 PM
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CC Member
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Join Date: Aug 2000
Location: Chicago,
IL
Cobra Make, Engine: ERA 454 S.O.
Posts: 1,684
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Not Ranked
Quote:
Originally Posted by decooney
Based on Jeff's post and profile, it appears he is running a stroked 427 for 454ci. I bet its a torquey motor that has plenty of grunt to pull right through 1st gear easy with a WR TL. No problem. My car is actually faster off the line and out of the hole with a taller 1st gear and taller rear gear ratio such as 3.31 or 3.08. Have run a few side by side comparisons and at the drag strip. I can take off in 4th gear from a dead start with my FE and 3.31s. Same with my last Cobra FE with 3.08s. As for the TKO in a Big Block Cobra, I think as long as you get a TKO 600 or custom built one with out such a low 1st gear it would be fine. Most complain its a waste and start out in 2nd if they need to get off the line quicker with less tire spin.
As for "notchy" I too noticed the TKO 600s loosen up with some time on them but nothing close to the butter shifting TL, even with mods.
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You are correct. I have a .030 over '27 with a '28 crank. Makes tons of torque. The top loader is a WR. I have started many times in 3rd. gear by mistake without a problem.
__________________
Jeff
“If you can make black marks on a straight from the time you turn out of a corner until the braking point of the next turn, then you have enough horsepower.”
Mark Donahue
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06-10-2012, 07:39 PM
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CC Member
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Join Date: Aug 2000
Location: Chicago,
IL
Cobra Make, Engine: ERA 454 S.O.
Posts: 1,684
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Not Ranked
__________________
Jeff
“If you can make black marks on a straight from the time you turn out of a corner until the braking point of the next turn, then you have enough horsepower.”
Mark Donahue
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06-10-2012, 09:33 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 ekrupa2
#2632 has the TKO 600 with .82 5th gear. I absolutely loved this setup coupled with the Roush 402. Like mentioned, third gear is a natural shift, open palm straight away and I dont think I ever missed a shift, even under throttle. If you are doing as much highway as street and backroad, you may want to consider the .64 fifth. Depending on your setup, it may rev a bit too high on the highway for your liking. Work the calculator numbers and it will give you a great sense of your revs.
BTW Doug, #2632 sold and departed on to a former SPF owner who now lives in Wisconsin. There is a big empty space in my garage and my heart...but I am happy of the future plans for the car. I may keep posting from time to time just because I loved that car so much...and the people associated with them are a great group.
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Eric - Congrats on the sale of your car! It was your first Cobra, but I'm sure it won't be your last. Don't be a stranger.
__________________
Doug
No stop signs, speed limit - Nobody's gonna slow me down - Like a wheel, gonna spin it
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