viper

hub dyno all wheel figures on print out

waiting for a reply to an email sent not long ago confirming numbers

i guess that seems about right mine was mapped at 1.4bar and has 540hp (flywheel) apparently with 700ftlb Torque, but the wheel to engine rev ratio was down showing the TC hadnt locked out. Have read this on PI website it states: There is a misconception and a lot of misinformation about the poor vehicle performance numbers that are generated by testing a car with a high stall torque converter on a dynamometer. Most people that are not familiar with how a torque converter operates will automatically think that the torque converter is inefficient. This is totally false and the following facts are why you should not believe the dynamometer numbers while using an unlocked high stall torque converter. All late model dynamometers have a software program that commands the loading and speed of the vehicle over a certain period of time while making a test pull. The software used in these dynamometers is setup to be used with a locked 1:1 connection between the engine and the rear wheels, such as using a standard shift transmission in 3rd gear or when an automatic transmission has the torque converter clutch locked. When an unlocked high stall torque converter is used to make the pull and the dynamometer software has not been changed to allow for the fluid coupling differences the dynamometer readings will all be bogus. For instance, the low rpm torque readings will be high due to the torque multiplication of the torque converter being run in partial stall. Likewise, the high rpm torque readings will be low due to the long period of time the dynamometer takes to allow the torque converter to transition from partial torque multiplication to a hydraulic locked condition. The only cure for this phenomenon is to rewrite the dynamometer software to prevent this from happening. Torque converters with a low STR or low stall are not as adversely affected by this phenomenon. The high rpm transition problems never occur when the vehicle is being driven or raced normally. Therefore, worrying about what the dynamometer numbers are is a total waste of time. If your dynamometer operator refuses to alter the software to give correct readings then the only things you can do is (1.) lock the torque converter clutch and do the testing, (2.) use the readings you get with an unlocked torque converter as a baseline and continue to tune the car like normal until you get the best numbers remembering these are just numbers and not the actual horsepower and torque or (3.) use a dynamometer shop that gives you the service you deserve for your hard earned money. The only really true test of the performance of a vehicle is to take it to the track and see what ET and MPH the car will run.

Ah interesting, I'm running a piggyback MAP1 ecu so the box is being controlled by the stock ecu, no nothing happens when I press manual

Iv just heard from Thor racing that they have finally manged to map the car but the PI 3600 Hi stall will not lock out. Can anyone shead some light on this as iv had the gearbox refurbished and the oil changed several times now thinking that was the case. WHen should it lock out? or does it never lock out?

come along for the action, should be a good weekend and its for a charity launch

I need to know numbers for discount arrangement so please can you update the list accordingly. 1. Viper - HKS T04R, 3600 hi stall 2. Shane BPU. - (1day) 3. Spikedjack 4. guigsy - gt35r. If my move my ass and get some parts fitted, and its not in the bodyshop 5. DaveR - B362 turbo, stock block, 6-speed manual (2 days assuming I can find a hotel) 6. Mark Newman - GT47-88,T6, Nos , race fuel, 6 speed 5'' exhaust .(2 days) I am out. still in bits . 7. Littler - BPU 8. TT Paul tt bpu, aem fic sorry can't make it preping car for wrapping 9. Justin Bieber 10. Josh 11. Neil - single t45 turbo ,big boot install , big wing 12. Dude with the Busa 13. Letmeshowyou - BPU. Me as driver. 14. Nicholas 15. Thomo8568 - NA auto. (Probably just one day) 16. GazB 17.black_widow87 (saturday only) Spectating List: 1. JOSH! More than likely just one day for me, but it is close enough to drive there and back both days 2. dunk 3. DaveR's missus 4. Sukhy - A maybe yet but for 1 day if I make it

Thats great guys, keep the list updated please

guys sounds great about the convoy, im local so i shall be there from 8am. when i have a confirmed list on Thursday i will find out what discount we can get, as they need to know numbers before they tell me. If people need a point of call please drop me a PM and i will give you my number so i can assist with meeting when you get there or if you need assistance in any other way. Im just hoping the my supra passes its MOT tomorrow and the mapping is successful tomorrow afternoon. been out for a little run at 0.6 bar and its still scary with the histall.

What information do people require? THe weekend is going ahead and always has, the dates have bee set for months and shake spear are expecting us. THe only details i am waiting for are the gate prices for club entry as im trying to secure a discount for club members. The details of the weekend are available on the Shakespeare website and the tournament will be built into the day around the Run what you brung. Im sorry if people are feeling liek there is lack of info, if you have any addition questions please do not hesitate to ask.

To keep you all in the loop, i am waiting for a reply regarding the entrance costs for the club and our parking area in the paddock. As soon as i have this i will get the info up.

Sorry chaps, iv been driving round Europe. Just got back. All is still going ahead. And I will be posting up all the details tomorrow as soon I have confirmation of prices and discounts for those competing, I am currently outside changing a driveshaft and prop

I dont suppose anyone can send a model thta can be opened in autodesk showcase?

I know how you feel, my car is still not ready and id hoped to of had a few weekends testing before hand

Just a quick bump to remind people to update the list and get your names down

Yes it will be a pay on the door event - with a guest list for discounted rate for RWYB and tournament so get your name down on either spectating or tournament

guys please can you put next to your name if you are doing 1 day or 2 days?

if i wanted to keep my set up as it is with the 550s would it be worth getting an FPR?

jamie, thanks for all the advice ill look into it all now, idealy id like to buy everything togeather.

fuel pulsation damper???? maybe ill just leave the 044 in and get a FPR you recomended and wait for injectors and fuel rail to pop up on here as i dont think i can afford new ones from srd

cool, so one shopuld be fine for my set up? with the asnu injectors fit in the standard fuel rail? iv had to install a resistor pack for the 550s, will i have to remove this or leave it in? thanks Jamie, where can i get the ASNU injectors? can you recommend an FPR please is it worth upgrading the fuel pump to something like this: http://www.ebay.co.uk/itm/WALBRO-GST450-455-LPH-FUEL-PUMP-E85-COMPATIBLE-WALBRO-KIT-INCLUDING-HARNESS-/160994815345?pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item257c09ed71

thanks Jamie, where can i get the ASNU injectors? can you recommend an FPR please is it worth upgrading the fuel pump to something like this: http://www.ebay.co.uk/itm/WALBRO-GST450-455-LPH-FUEL-PUMP-E85-COMPATIBLE-WALBRO-KIT-INCLUDING-HARNESS-/160994815345?pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item257c09ed71

IV got that fuel pump at the moment i think. iv started another thread on here regarding fueling so hopefully ill get some more info

Not sure yet, either THOR or TDI. I'd like as much as possible on what I have idealy