1/4 times for99-01 GTs

91LX2Bfast · 11-07-2001, 08:37 PM

StoplightWarrior - Ok, there at least another 2 tenths or more in a good 60ft time on street tires. RT doesn't affect ET, so don't worry about that.
But your engine must have been pulling timing because of the heat, because your trap speed of 96.5 seems pretty low. You wouldn't believe what a difference a cool engine can make. Ice the intake while your waiting, this seems to work well with all motors, even if there isn't a lot of surface area to ice on the 4.6 manifold.
You can also think about manually shifting your auto. I know from my brothers '99 auto that the shift points are hardly optimum. In fact I think that the trans fuction is so bad, that I am going to make a wild prediction.
I think that my brothers car will pick up a solid 6 tenths after the custom program, and the MAF, pulleys, and TB. Thats a bold prediciton, but judging from my car and how my brother's car feels, I think its going to happen.
I picked up 6tenths w/ only a chip and MAF. Not including a better program from the dyno tune, U/D pulleys and TB that he'll have. Heck, since he has PI heads, he might do better.

------------------
1997 Thunderbird 4.6L: Dynomax cat-back, MN-12 perf. offroad downtubes and Y-pipe w/ Magnaflow resonator, 80mm MAF with cone filter, B&M trans cooler, Inject-Tech chip, MAC U/D pulleys, KVR front brake upgrade, SVO 70mm TB. 15.2 @ 91 w/ just chip and MAF. 14's next time to the track.

No Longer own: 91 LX 5.0L 5 spd

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11-07-2001, 08:37 PM	#11
91LX2Bfast Registered Member Join Date: Dec 1999 Location: Warrington, PA Posts: 694	StoplightWarrior - Ok, there at least another 2 tenths or more in a good 60ft time on street tires. RT doesn't affect ET, so don't worry about that. But your engine must have been pulling timing because of the heat, because your trap speed of 96.5 seems pretty low. You wouldn't believe what a difference a cool engine can make. Ice the intake while your waiting, this seems to work well with all motors, even if there isn't a lot of surface area to ice on the 4.6 manifold. You can also think about manually shifting your auto. I know from my brothers '99 auto that the shift points are hardly optimum. In fact I think that the trans fuction is so bad, that I am going to make a wild prediction. I think that my brothers car will pick up a solid 6 tenths after the custom program, and the MAF, pulleys, and TB. Thats a bold prediciton, but judging from my car and how my brother's car feels, I think its going to happen. I picked up 6tenths w/ only a chip and MAF. Not including a better program from the dyno tune, U/D pulleys and TB that he'll have. Heck, since he has PI heads, he might do better. ------------------ 1997 Thunderbird 4.6L: Dynomax cat-back, MN-12 perf. offroad downtubes and Y-pipe w/ Magnaflow resonator, 80mm MAF with cone filter, B&M trans cooler, Inject-Tech chip, MAC U/D pulleys, KVR front brake upgrade, SVO 70mm TB. 15.2 @ 91 w/ just chip and MAF. 14's next time to the track. No Longer own: 91 LX 5.0L 5 spd