Top Speed of your Mark

I've got a Garmin GPS unit in my car. I would think it's halfway accurate, but could be wrong tho.



Mike
 
The dyno runs were all with the overdrive off in 3rd gear. 3rd gear tops out at 150+ in my car.
 
how do you have it setup so that you car doesn't shift into OD at 6k? what gears are you running so that you can hit 150 in 3rd? 2.73?
 
67Continental said:
how do you have it setup so that you car doesn't shift into OD at 6k? what gears are you running so that you can hit 150 in 3rd? 2.73?
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stock 3.27 gears, hits 150+ in 3rd gear at 6600rpm with custom burned SCT chip. :Beer
 
that's pretty sweet - where can i buy an SCT? Is this the same chip sold by LMS?

how hard is it on the motor to run it at 6600 rpm for a length of time?
 
There are many vendors that sell SCT chips but i'm pretty sure Geno uses his own software. I got my chip from the ford parts network with all the custom features I wanted for 299. The stock Mark VIII torque converter is not good for over 6500 and the pre 96 4.6 DOHC valve springs are not quite as good as the Beehives. With that being said, I have revved my 4.6 dohc to 6900rpm more than a couple times with no problems. Engine has 158k miles on it with over 100 track passes and is running stronger than a raped ape. I would worry about the 4r70w before I would worry about the engine.
 
135 MPH bone stock 94', then the limiter kicked in. Never taken the car over 110 since I started modding.
 
Had mine at 125 for a good clip on the way home from the meet, made crazy time! Nice ride, the more I give him the more he wants, but road was an interstate on a sunday afternoon - I was dang lucky! took a pic at 100, will have to click one at 130 and see what happens after that, will ahve to find a road that I won't get busted on! sweet if he kept going - sweet, I can't wait to see especially with my new tires! I left a little of my rubber in Chitown and by the time I got home, I was lucky to be alive knowing I was doing 125, big dent in the tire tread and some belt showing! Pirelli's now, he should hold on real nice and tight, so far I have felt major diff in take off and slippin his butt around on corners, sweeeet! Will post asap!

Debi

Gesh, I gotta break 130 to catch up with yu guys!
 
125 in my stock 97 lincoln mark8 going down a straight stretch on a back road could have gone faster but ran out of road.
 
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