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Looking forward to becoming part of the forum.I am Garrell Patterson from Tallapoosa, Ga. Younread correctly Garrell from Tallapoosa two unusual names. I am an old guy but I have accomplished quite a lot car wise in my life. I have owned what. I refer to as over 50 significant Chevrolets in my life many were what are now rare Corvettes, Z/28’S and many SS Impalas ie: a 400 HP 63 Impala and what I consider to be the rarest and fastest car I have ever owned a 1967:Super Sport Impala wit( a 427 CI 425 HP, 4-Speed, 4:11 Rear Gear. I have set six Land Speed Records in the Standing Mile. A year ago I decided to come out of retirement and try to make it into the 130 MPH Club even though I have ran much faster before but this was in a difficult class to accomplish such a speed. After studying the class I decided to build an 06 Crown Victoria to try and accomplish my goal. I spent a year preparing the Ford to try and accomplish my goal every minute of everyday I was making list, ordering parts and Sending the car to different shops for work to be performed. I had almost decided I had made a wrong choice but on my 9TH and final run over three days I finally ran 132.353 MPH. When I got home I decided I would go back to run one more one last time as I told my Wife with a goal of running over 140 MPH within a budget of what I sold the Crown Vic for. After much deliberation I chose an Impala SS. I know the car with the right modifications is capable of those kind of speeds and that’s where the expertise of you Forum Members come in. The car I have purchased is an 06 Black on Black Impala SS with 121,000 miles on it and it’s a very cleaned and well maintained car. I am excited about learning about these cars and there potential.
 

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After much deliberation I chose an Impala SS. I know the car with the right modifications is capable of those kind of speeds and that’s where the expertise of you Forum Members come in. The car I have purchased is an 06 Black on Black Impala SS with 121,000 miles on it and it’s a very cleaned and well maintained car. I am excited about learning about these cars and there potential.
This forum is for b body 1994-1996 Impalas and related cars. There is not a lot of expertise here for a 2006 Impala.
 

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Welcome to the 1994-1996 Impala SS sight.
I HOPE that is a typo and you have a 96,
Not much support here for the front drive cars.

67 L72 4 gear 4.10 Impala would be pretty cool.
If you have documention on that car you should visit some of the early Impala sights. People are still arguing on how many of the 17 full size car L72 designated engines got into cars.
I dont know if anyone has iron clad papers on one.

Edit:
Fun reading
 

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86-91 CVPI 5.0 w/3.27 116 mph drag limited due to hp

86-91 CVPI 5.8 w/3.27 121 mph drag limited due to hp

93-95 CVPI 4.6 w/3.27 125 mph speed limited to save OD band

96-97 CVPI 4.6 w/3.27 137 mph to compete with 9C1 Caprice

98 CVPI 4.6 w/3.27 129 mph speed limited due to driveshaft

99-00 CVPI 4.6 w/3.55 124 mph w/MMX driveshaft after TSB

01-07 CVPI 4.6 w/3.27 129 mph due to driveshaft

04-07 CVPI 4.6 w.3.55 119 mph due to driveshaft

86-07 CV 108 mph due to tires

03-04 MM 4.6 w/3.55 117 mph due to driveshaft

04 MM/FHP 4.6 w.3.55 142-148 mph with MMX driveshaft

The fastest CVPI for top speed were the 96-97 CVPI were the FHP had some of them that actually topped out at 136-137 mph certified by VASCAR. These older CVPI didn't experience the the driveshaft vibration as the later ones did, the were better aerodynamically and Ford was trying to match the top speed of the late great 94-96 Caprice(5.7 liter) 9C1.
 

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Discussion Starter #5
Welcome to the 1994-1996 Impala SS sight.
I HOPE that is a typo and you have a 96,
Not much support here for the front drive cars.

67 L72 4 gear 4.10 Impala would be pretty cool.
If you have documention on that car you should visit some of the early Impala sights. People are still arguing on how many of the 17 full size car L72 designated engines got into cars.
I dont know if anyone has iron clad papers on one.
Welcome to the 1994-1996 Impala SS sight.
I HOPE that is a typo and you have a 96,
Not much support here for the front drive cars.

67 L72 4 gear 4.10 Impala would be pretty cool.
If you have documention on that car you should visit some of the early Impala sights. People are still arguing on how many of the 17 full size car L72 designated engines got into cars.
I dont know if anyone has iron clad papers on one.
Welcome to the 1994-1996 Impala SS sight.
I HOPE that is a typo and you have a 96,
Not much support here for the front drive cars.

67 L72 4 gear 4.10 Impala would be pretty cool.
If you have documention on that car you should visit some of the early Impala sights. People are still arguing on how many of the 17 full size car L72 designated engines got into cars.
I dont know if anyone has iron clad papers on one.
Welcome to the 1994-1996 Impala SS sight.
I HOPE that is a typo and you have a 96,
Not much support here for the front drive cars.

67 L72 4 gear 4.10 Impala would be pretty cool.
If you have documention on that car you should visit some of the early Impala sights. People are still arguing on how many of the 17 full size car L72 designated engines got into cars.
I dont know if anyone has iron clad papers on one.
Welcome to the 1994-1996 Impala SS sight.
I HOPE that is a typo and you have a 96,
Not much support here for the front drive cars.

67 L72 4 gear 4.10 Impala would be pretty cool.
If you have documention on that car you should visit some of the early Impala sights. People are still arguing on how many of the 17 full size car L72 designated engines got into cars.
I dont know if anyone has iron clad papers on one.
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Bing
 

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So if that was a typo and you meant a 96 Impala (not an 06), and you're looking to hit 140mph, honestly the car will probably hit it stock with enough room, no head wind. As far as things i'd do within reason to go as fast as I could on say a standing mile race, this what i'd do personally.

cold air intake
long tube headers
2.5" exhaust
1.6RR's and new valve springs
tune

3.42 rear gear will get you up to speed faster, give you more mechanical leverage against wind resistance and put you in a better point in your power band when getting towards a top speed goal of 140-160mph. I'm not too familiar with top speed racing, but I would assume you'd want your target MPH to fall somewhere between where peak torque and peak HP is made. Factory motor makes peak torque at 3300rpm's, but most of the above mods will serve to shift the TQ/HP curve up a bit. Something like 3.42 with a 27" tire seems like it would put you in the ballpark of where you want to me.


After going through all of the steering linkage and replacing anything that is questionable from miles, I would lower the car with 1-1.5" drop springs, something that maintains the factory stance but just brings it all a bit lower to the ground. Adjustable shocks like Koni would be a good way to fine tune things a little bit, but Bilstein "sport" shocks felt great on my SS with hotchkis springs at 130+. As far as aerodynamics go, i'm sure some guys could chime in on a few things that could help but overall these cars had very good drag coefficients from the factory, great aerodynamics and with good springs/shocks they feel pretty decent at 140mph. Don't ask me how I know lol. One easy mod that would likely aid in reducing lift a bit would be hood vents/louvers of some kind, but again, with my car on hotchkis springs/bilstein shocks it felt pretty comfortable at speeds of 130+ without.

do all of the above to the car and I could almost guarantee you'd hit 150+mph on a good day on a good surface with enough room and no headwind, but only if you have a black SS. They're much faster.
 

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Pretty much what SSandman said.

For whatever it's worth:
3.73 & 29" tall tires = 3.42 & 26.59" tall tires

Regarding aerodynamics:
take a look at what chicagoareabmx accomplished; looks good, works great; even if you don't do exactly what he did to stop the rear bumper from acting like a parachute, it's food for thought
 
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