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not that happy with my revo...
- Thread starter tonto
- Start date
but the timing pull could be related to anything
it could also be related to the fact that the boost is set too high and the ecu is pulling the timing back to compensate.
or his timing is too high for the set up of his car.
his car needs proper logging , over 2 or 3 runs , checking boost , fuel , maf , timing and also afr , otherwise there will be so real constructive reason why his car is not performing.
On the fuel side i used to run v power all the time religously , even if i had to drive a way to get to a shell station i would do it.
Then i heard about using tesco momentum , i thought give it a go and there is no difference in performance at all or mpg.
The only time you may notice any difference is in winter depending on what additives the different companies use in their fuel , Tesco always make a bold statement about additives at the pumps.
tbh it sounds like the tuner didnt have a clue what he was talking about when he told him about the fuel , even if he was using bog standard 95 rated ron fuel he still should have noticed a day and night increase in performance as long as the car was set up correctly.
I agree
- Real way to test is to dyno it and see the difference with live map tuning, change the settings etc...rob i agree. Several conditions will affect the timing pull.
Did not read the complete thread and was assuming that fuel quality had been pinpointed.
Check SPS settings and fault codes first i would say.
Check AFR, Timing Pull and Maf values.
For boost leaks check block 115, delivered and specified boost should not differ more then 100 mbar on full throttle.
Or just dyno as Dave states.
Did not read the complete thread and was assuming that fuel quality had been pinpointed.
Check SPS settings and fault codes first i would say.
Check AFR, Timing Pull and Maf values.
For boost leaks check block 115, delivered and specified boost should not differ more then 100 mbar on full throttle.
Or just dyno as Dave states.
Np mate
what fuel do you have in sweden?
what fuel rating do you have?
you probably think we are all mad talking about a Tesco fuel , i can imagine you thinking we are all mad as we go into a supermarket and buy it off the shelves lol
just wandered what you get in sweden.
Rob
We used to have V-Power 99 octane fuel over here but for over a year it has been down-converted to V-Power 98 octane. That is due to the new owner of Shell in Sweden, ST1 .
Sadly no Tesco over here so no option and no 99 octane at all anymore .
Regular fuel over here is 98 and 95 octane and then the V-power 98 .
We used to have V-Power 99 octane fuel over here but for over a year it has been down-converted to V-Power 98 octane. That is due to the new owner of Shell in Sweden, ST1 .
Sadly no Tesco over here so no option and no 99 octane at all anymore
.Regular fuel over here is 98 and 95 octane and then the V-power 98 .
At least you have the option of 99...the best we get over here is 97!!
As for the fuel debate: I told John Thorne years ago that his ranting over how great T99 was ballix, V-Power is a much superior fuel, end of story. I also had many debates with him over the next point too!
Firing in 95 Ron on a car mapped for 99. Your knock sensor will pull timing for crap fuel but it can only trim and advance so far. Once it goes beyond this the car will go into limp mode and will eventually die (this can take any length of time dependent on car and driver). What if our knock sensor fails? The engine will die much quicker! So relying on your knock sensor to fix a crap map (which is what a particular vauxhall tuner used to do) or poor fuel is bad for engine wear. It is important to have the car mapped for the fuel that you use on a daily basis.
I've seen people turn up asking for their cara to be mapped for super but only have 95ron in the tank or only plan on running super occasionally - it doesn't work like that.
My advice - fill the car with the fuel you plan on using in EVERY tank then go get it mapped.
As for the fuel debate: I told John Thorne years ago that his ranting over how great T99 was ballix, V-Power is a much superior fuel, end of story. I also had many debates with him over the next point too!
Firing in 95 Ron on a car mapped for 99. Your knock sensor will pull timing for crap fuel but it can only trim and advance so far. Once it goes beyond this the car will go into limp mode and will eventually die (this can take any length of time dependent on car and driver). What if our knock sensor fails? The engine will die much quicker! So relying on your knock sensor to fix a crap map (which is what a particular vauxhall tuner used to do) or poor fuel is bad for engine wear. It is important to have the car mapped for the fuel that you use on a daily basis.
I've seen people turn up asking for their cara to be mapped for super but only have 95ron in the tank or only plan on running super occasionally - it doesn't work like that.
My advice - fill the car with the fuel you plan on using in EVERY tank then go get it mapped.
What dealer did you go too? I know the one i went too at first was local but mainly did Evo's and Subaru's and didnt have a clue about this engine.
It is important to go too a vag specialist when doing anything on our cars especially mapping.
It was vag specalist i went to. Not naming names as i feel their customer care / support is great. Im booked in again in a week if im still not happy and after speaking to them again they advised now "A higher octane" fuel but i made the 35 mile trip to shell tonight lol.
Ive given it a good boot tonight and still not overally impressed although there is a slight difference now ive had time to reallysit and play but nothing to run home about. Very slight...
Would the timing being increased make a noticable difference? Obviously of fueling allowed it to be set higher.
Ive given it a good boot tonight and still not overally impressed although there is a slight difference now ive had time to reallysit and play but nothing to run home about. Very slight...
Would the timing being increased make a noticable difference? Obviously of fueling allowed it to be set higher.
you do know that 'premium' is normal unleaded dont you.
So if you said you use tesco premium you have said you use 95ron ordinary supermarket fuel and so this is probably why hes set it so low, timing 3 sounds about right for normal unleaded.
timing 6ish for super.
You should feel the difference pre and after mapping easily, its quite different, but as mentioned before was it mapped previously?
As far as i know it had not been modified in anyway. Surely they could tell if a map was installed previously?
Would changing the timing from 3 to arge, 6/7 (they said thats about right when running v) make a difference in feel/performance?
Im not too hot on how this works...as you can see lol.
In the right conditions that would change a lot. Try timing 6 as that is as they say the timing setting you should run with 99 octane.
They will not map it for V-power. What they do is simply use the SPS settings to set things according to the running conditions. They will set it to timing 6 or 7 simply.
But i am not 100% sure of the correct SPS settings for REVO stage 1.
What you need to do is to call REVO HQ and ask for the correct settings for your set up and then get yourself a VCDS and start logging to see the results.
Kindly read the SPS guide: http://www.revotechnik.com/resources/uploads/files/SPS_AdvancedUserGuide_V0707.pdf
Or you go and visit someone that knows what they are doing and get all sorted out. Dyno it and you will know if things are running right or not.
Think im inclined to agree.
Not being set for the right grade of fuel would hold it back?
EVen with the 95 RON map set up you should still be seeing 30+bhp gains and large torque gains that will be hugely noticeable
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