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Did Porsche use a standard battery in the GT4 or a lighter weight battery? (no way they used Lithium Ion battery - they would have made a bid deal out of that weight savings).
I think they use slightly lower capacity (and lighter) batteries on the GT cars. There are aftermarket AGM (Glass Mat) and Lithium batteries that will drop a bunch more weight and cost much less than the optional Porsche Lithium batts.
I got the gear, so i will compare my Porsche app gismo vs vbox-HD. As i did drive this setup before when at the same time driven Harrys on external gps revicer and lap Times was correct. I am Pretty sure Porsche app work fin when on external 10hz gps revicer. The vbox will tell:-)
I already have a 2 camera NON -HD VBox it worked great in my OBDII cars but little clunkier in my old racecars.
Will most likely just buy a VBox HD for RS but if the Porsche app works, I may retrofit it and add external GPS, I read somewhere that its possible to install app even if car was built without..
I already have a 2 camera NON -HD VBox it worked great in my OBDII cars but little clunkier in my old racecars.
Will most likely just buy a VBox HD for RS but if the Porsche app works, I may retrofit it and add external GPS, I read somewhere that its possible to install app even if car was built without..
Please keep us posted here, thanks for sharing
Will do. At this trackday there was not allowed to pass cars other than on the straights as well not allowed to time laps, hence did not bother to hook things up. But My gt4 is sent on a transporter among 22 other cars (3 transport carrier) to Nurburgring. Then its two days of lappning complet full length of nur, then hook vbox and app up. 26-27 may trackday @nur.
Total 120 cars attending this event, hence no traffic at all on the loop/nur these days. Glad i got cage /6 points and a carbon hans divice Porsche lap app, yes it can be retrofitted
I will spend as much time as possible at the Ring, Spa, Mugello, Zolder, Zandvoort etc.
My pickup date is not 100% sure, but now I have September 25th. booked. But we know dates can move.
I've asked for 6 months insurance and I will be looking for a Harness bar and seat belt installation for Hans. Needs to be removed again before shipping to the US.
To bad you can't have cage etc like stock in USA. I at spa in 30 september with Porsche club belgium. Who know, we might see each other. Great car you getting
I am curious about the battery situation. I'm not sure on the 911, but the 981 the AC runs directly off the battery and therefore needs to have a reasonable large capacity. I've seen reports that the standard battery in Cayman S and GTS weighs over 50lbs. I'm wondering if the GT4 already has a lighter battery. It would seem fairly easy and cost effective to go from 50+lbs to 21lbs and still have a sizable capacity battery with the Braille 21.
Originally Posted by GrantG
I think they use slightly lower capacity (and lighter) batteries on the GT cars. There are aftermarket AGM (Glass Mat) and Lithium batteries that will drop a bunch more weight and cost much less than the optional Porsche Lithium batts.
Will do. At this trackday there was not allowed to pass cars other than on the straights as well not allowed to time laps, hence did not bother to hook things up. But My gt4 is sent on a transporter among 22 other cars (3 transport carrier) to Nurburgring. Then its two days of lappning complet full length of nur, then hook vbox and app up. 26-27 may trackday @nur.
Total 120 cars attending this event, hence no traffic at all on the loop/nur these days. Glad i got cage /6 points and a carbon hans divice Porsche lap app, yes it can be retrofitted
I saw that you guys where having fun at Gelleråsen. Swedens old F1 track... Have fun at the ring and I will try to join you guys for the Sep event at Spa. Haven't been to Spa in more than 10 years and would love to take the 4.0 for a few parade laps. Heard one trailer was already full and they were thinking about getting a second one?
Same system used in the porsch LMP1 919 hybrid race car. This gt4 is For sure a track car. Recomended oil/filter change @ 2,5x 24h Nurburgring time:-) same go For rear wheel bearings. Front wheel bearings is is twice that.
Might add My cars weight in this tread, its 1430kg full gasoline tank( club sport pack, bucket seats, 6 point all seats, fire ex, cage, klima auto, bigger radio system and steel brakes, 64l tank, and that gismo that hold the speed automatic whit out pressing accelerator ( cant find the Word :-))
See the layout of the yellow racetrack? Nice gismo to keep track on the trackday pressure in tire. So two types of pressure the car Will show and moniter, street pressure and any giver favourite track pressure. I find this gismo Rather usefull, to calibrate my own handheld pressure gadget.
05-11-2015, 04:53 PM
Porsche lap app, yes it can be retrofitted
