GreenS550
Well-Known Member
- Joined
- Nov 18, 2017
- Threads
- 126
- Messages
- 2,310
- Reaction score
- 1,615
- Location
- Houghton, MI 49931 Oakland, MI 48363
- First Name
- Bob
- Vehicle(s)
- 2019 Mustang GT Premium 2020 Explorer Limited
The following info is for the Whipple I put on my 2019 Bullitt:WOW that is awesome! I am waiting on mine and I am already thinking of boost lol.
please give us more info. How much power you putting down? and did you have to do any supporting mods other than rear axles? Boost a pump?
The driver's side axle shaft which was known to break was upgraded in 2018 on the manual transmission cars. No problems there.
On Whipple's 91 tune, full stage 1 kit the car put down 675 at 7,800 RPM SAE with 93 octane in the tank.
Mileage driving nice was almost as good as stock.
Drivability actually better than stock.
No need for a BAP
I took the car to the dragstrip before and after the Whipple. When I took it with the Whipple, I put MT ET Street R bias ply tires on the rear. The grip was phenomenal. It pulled the tires off the ground, but the weak area is launching. Either burnout or bog. Now, this is the Bullitt, mind you with the MT82D4 crappy gear ratio transmission where 4th is 1:1.
Every time I shifted from 2nd to 3rd at 100MPH+, the clutch would slip. It was maddening. I shift very fast and for an old man have very good reaction times but the 2-3 engagement just could not handle the toque as when I let off the clutch it shifted soft and the RPMs went up with the acceleration not matching. Kinda like the old auto trans that would start slipping after about 50K miles or so. I just couldn't get good times. Only turned mid 11s at 122 or so. That slipping cost a me serious ET.
On an auto no question that the Whipple stage 1 will do mid 10s.
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