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Even better air and changing to 2H...finally got the number!

Give 4H a shot. Had the same thought but have not yet tried it. Appreciate all your suggestions!

I had been hesitant too...just did it to try and nab that 12 haha. Not sure the exact boost but it was at the higher end. In 4H my truck starts to pull through the brakes near full boost and it builds quickly at WOT so I've just been going by feel and not watching the gauge. Racer math would...

4H does seem to hook a bit better

Yes, stomp the brake, gas to the floor and release the brake as boost builds to desired level. As long as my brakes are hard to the floor the truck won't pull through them even at max boost. The DA I've been waiting for this morning...so close to a twelve argh!

Always all the boost when launching from 2nd. For first gear launches I've tried everything from 5 to max. Typically when launching with max boost in first, the truck will spin and fall out of the powerband briefly resulting in slower times. The 4.63 was near max boost, had wheel spin but the...

I tried what you suggested a few times and my best time was a 4.71. Appreciate the detailed suggestion! My truck will build 22.8 PSI (procal gauge) or 24 PSI (dash) without pulling through the brakes. I don't sit there long to keep heat from building in the transmission. Launching in 2nd with...

Looking forward to some negative DA!

Mine will brake boost to 21 psi and the jump from 14 is very quick. Mashing the brake and the gas will do so. I've seen mention of pulling through the brakes. I've only had that concern if I'm not hard on them. Launching at 21 psi causes too much wheel spin though after which it falls on its...

Ford Performance Tune - 4A, AdvanceTrac off, Baja Exhaust, brake boosting to ~14psi.

Jumps great! (37) Ranger Raptor earned its wings | Ranger6G - 2024+ Ranger & Raptor Forum, News, Owners, Community (6th Gen)

First offroad outing today in the RR. While the QC may not be...the vehicle dynamics certainly are on point!