Just wondering if anyone had dragged a V6 (preferably a Base) with the VAP tune and no pulley.

 

OK - any V6 times at all?

 

 

Damn - .6 seconds of 0-160k improvement on a S? That's impressive! Tune only, right?

 

 

There was someone on the forum who had installed a crank pulley with VAP tune on his base V6 and did the 1/4 mile in 12.0 seconds (but didn't measure trap speed)

My experience with my base V6 was a car that would trap in the 118-120mph mark and do 0-100mph in ~8.5 seconds, although I never tested either (my guess from rolling races with other cars). The mods I had are in my sig and the car was dyno'd at around 460hp to the crank

One thing to note on the base V6 is that the suspension tuning (dampers really) doesn't put the power down very well from a dig. If I had kept my base V6 (which I should have done in hindsight), I would have definitely gone the KW V3 route and perhaps installed an LSD from a V6s

 

 

Based on what? A larger crank pulley shifts the torque curve significantly earlier, which leads to much faster acceleration.

A stock 488hp V8s does 0-100 mph in 8.4 seconds (https://www.caranddriver.com/reviews...s-test-review/) so a 460hp V6 with about 200 lbs less weight should be able to do it in 8.5...

 

 

On a S, the tune adds about 35 hp, as does the pulley (380-415-450 hp).
Braca does the 0-160k in 11.5 stock, 10.9 with a tune, an improvement of .6.
A further improvement from the pulley should be similar, resulting in a time of about 10.3 (probably 10.4).
160 kph is 1.2 kph over 100 mph, so maybe a tenth there.
0-100 mph on a good day with a perfect launch and a tailwind and new tires and slightly downhill - maybe you could get to 10.
8.5? BMW maybe, F-Type NO. IMHO.

 

Gentlemen,

The M4 and base V6 are both around the same weight (https://www.caranddriver.com/reviews...ackage-review/) - 3645 lbs vs 3667 lbs for the base V6 (you can find this in the weigh your f-type thread).

One has 444hp, while the other has 450hp (458.6 in my case, I have posted my dyno chart earlier). How is it implausible to you that they would have a similar 0-100 mph time?

Alternatively, please see this thread (https://www.jaguarforums.com/forum/f...f-type-192802/) where, as I mentioned earlier, someone had recorded a 1/4 time of 12 seconds flat. The same caranddriver link I shared with you regarding the V8s shows it recording a time of 11.9.

Brava, your times themselves are significantly slower than caranddriver who recorded a time of 10.7 for a stock RWD V6s (https://www.caranddriver.com/reviews...e-test-review/). However, an AWD 400 Sport recorded the same in 11.0 seconds (https://www.caranddriver.com/reviews...e-test-review/) so perhaps your additional weight from AWD is significantly inhibiting your times, even with your tune. This is consistent with caranddriver's testing although still surprising to me.

 

 

Brava's time should be slower - he's doing 0-160k, instead of 0-100 mph (161.29k).

 

Anyone? as a baseline, my stock V6S RWD does the 1/4 in 12.8 (best) 12.9 consistent.

 

The best V6 S run on Dragy is VAP tuned with a 1-ft rollout (the standard used in car reviews) of 3.77 seconds 0-60.

Also as an owner of a JB4 w/meth BMW I6 N55 twinscroll turbo convertible, don't forget BMW tacks huge reinforcing X straps to the bottom of the car to stiffen the roofless variants, as they are not ground-up convertible designs. Aside from making the car even harder to work on, it adds hundreds of pounds of weight and doesn't work very well. The M4 convertible is 4200 lbs.

 

3.7 seconds is really good! I only can get 4.3 seconds with my VAP pulley and tune. Wonder how our times can be so different.

https://www.youtube.com/watch?v=j9ZL...ature=youtu.be

 

Well since RacerX was banned from the forum some time ago you may not get your answer....

 

I just saw that. Lol, ended up making a new thread.

 

You can take that 3.7 with a grain of salt as well.