2.7 tune - options?

[MWILD]

12.2 is cooking and that's a healthy trap speed too. This gives me motivation flash the E50 tune back in and try to beat my PB of 12.64

Do you still have the stock rims/tires? I’d be curious to know the weight difference between them and what you have now.

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[Spooled]

Do you still have the stock rims/tires? I’d be curious to know the weight difference between them and what you have now.

Stock beadlock capable wheels yes, but I don't have the stock 37's. Worth a few tenths I'd imagine. The non beadlock capable would also be a few pounds lighter if I had them.

Factory 37's are 64.8lbs a piece
My Falkens are 81.8lbs a piece

 

[MWILD]

Stock beadlock capable wheels yes, but I don't have the stock 37's. Worth a few tenths I'd imagine. The non beadlock capable would also be a few pounds lighter if I had them.

Factory 37's are 64.8lbs a piece
My Falkens are 81.8lbs a piece

68 lbs of rotational mass definitely adds up. Like you said, should get you in the 12.4-ish range down the 1/4 mile. I just grabbed some Big Bend wheels and tires for dirt cheap and they’ll add up to a savings of 117 lbs in total. Going to look goofy as hell, but curious to see what times I can get.

 

[Dan00Hawk]

Results from my 2023 4 door 2.7 BigBend non-Sas (3.73 rear end on 33's) with JB4 on Map 3 93 octane tune and Borla muffler. It launches softly from both idle or brake torquing, so it's a terrible 2.5 60'. Best stock pass on Dragy was a 14.96 at 92.6 mph quarter mile and 0 to 60 of 6.63.

So improvements of .5 seconds and +5mph.

I'm sure a ZFG tune would improve that dramatically by allowing it to launch without torque management and more boost. But I travel for work quite a bit and often end up with just 91 or even 87 octane available. So the JB4 ability to switch easily is nice...

 

[Spooled]

I'm sure a ZFG tune would improve that dramatically by allowing it to launch without torque management and more boost. But I travel for work quite a bit and often end up with just 91 or even 87 octane available. So the JB4 ability to switch easily is nice...

I would agree with your need for different octane fuels, the JB4 is more convenient for sure. ZFG has an auto octane tune for other platforms and it would be awesome if that functionality became available for the Bronco one day.

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