2004 Cayenne 955 Turbo Upgrade Build Thread, Custom Manifolds, BW EFR 7163's
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J'sWorld (01-01-2020)
#303
Might as well ditch the air struts for the tailgate since they are f-ing worthless after 3 years anyways! There is a couple more pounds for the Cayenne diet plan!
#304
Three Wheelin'
Thread Starter
Pump gas tune all finished up right around 22 psi. Run's amazing! I'm really enjoying it. Hoping to get on the dyno for some numbers asap and start on the e85 tune.
The following 3 users liked this post by J'sWorld:
#307
Three Wheelin'
Thread Starter
#309
Three Wheelin'
Thread Starter
I haven't been able to get to the dyno just yet, but I did get the e85 base tune loaded and immediately ran out of pump. Went ahead and swapped out the existing Walbro 450 and stock pump for two Hellcat Walbro pumps (f90000295), installed in the factory baskets. This should get me the fuel I need and raise the max working pressure to ~112psi. Since we run a 58psi base and a referenced return style system I'm already @ 80 psi in the rail.
We have working launch Control but it needs some work still getting it setup properly. Based on plain brake boosting experience with this vehicle I think somewhere around 3k rpm would put me closer to where I get full boost immediately. Of course making more power will affect some things like the stall in the converter so I don't expect to dial it in until the Flex F tuning is done. Should be able to set the LC up in each map.
And speaking of maps, the map switching via the CC stalk is really nice. I can simply run it out, fill up with the fuel of my choice, change the map and go. No flashing worries about where I'm gonna do it and will my battery voltage be ok, etc.
Why not another video-
We have working launch Control but it needs some work still getting it setup properly. Based on plain brake boosting experience with this vehicle I think somewhere around 3k rpm would put me closer to where I get full boost immediately. Of course making more power will affect some things like the stall in the converter so I don't expect to dial it in until the Flex F tuning is done. Should be able to set the LC up in each map.
And speaking of maps, the map switching via the CC stalk is really nice. I can simply run it out, fill up with the fuel of my choice, change the map and go. No flashing worries about where I'm gonna do it and will my battery voltage be ok, etc.
Why not another video-
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cordsig79 (05-11-2020)
#312
#313
RL Community Team
Rennlist Member
Rennlist Member
#314
Three Wheelin'
Thread Starter
Still haven't been to a Dyno but truthfully that is a number that can be manipulated and variable anyway, soon enough. This however, is verified and cannot be.
Went and got the Pig weighed recently at a certified scale and got 5360lbs with only a 1/4 tank of fuel and the hitch installed. I thought I was lighter and I'm surprised at this number but they swear the scale is accurate. Holy piggy!
Just about 3 revisions into the e85 tuning and still about ~22-23psi of boost.
Officially put the gap on a brand new stock Trackhawk from a 40 and a 60, multiple times. After reviewing the Dragy results I think I can take it from a dig as well! This a huge benchmark for me! I think we got a 10 second Piggy here and I already know that 185mph is no problem at all. Will this be the quickest and fastest Cayenne in the world? Somebody correct me if I'm wrong but I think the 2020 Cayenne Turbo S E-Hybrid is the Cayenne to beat right now?
Dragy results are launching @ 2000 rpm, haven't played with the antilag/ LC at all. But seriously, look at the DA and ambient temp compared to my last Dragy post!
Went and got the Pig weighed recently at a certified scale and got 5360lbs with only a 1/4 tank of fuel and the hitch installed. I thought I was lighter and I'm surprised at this number but they swear the scale is accurate. Holy piggy!
Just about 3 revisions into the e85 tuning and still about ~22-23psi of boost.
Officially put the gap on a brand new stock Trackhawk from a 40 and a 60, multiple times. After reviewing the Dragy results I think I can take it from a dig as well! This a huge benchmark for me! I think we got a 10 second Piggy here and I already know that 185mph is no problem at all. Will this be the quickest and fastest Cayenne in the world? Somebody correct me if I'm wrong but I think the 2020 Cayenne Turbo S E-Hybrid is the Cayenne to beat right now?
Dragy results are launching @ 2000 rpm, haven't played with the antilag/ LC at all. But seriously, look at the DA and ambient temp compared to my last Dragy post!
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oldskewel (06-21-2020)