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Australian Member
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Discussion Starter · #1 ·
Have recently added Genie Header and 2.5"exhaust system to my xr6hp, not only has it given improved power output but also extra k's per tank old scale now 34MPG on recent trip.
Included also is high flow air filter, t serie's air intake to air box
and using Caltex energy 5w-30 Engine oil.
This seems to be a good combination.
Has any other member tried other options?
What MPG is received by say a XR6VCT.
Who use's what oil?
 

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NSW TICKFORD OWNERS CLUB
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I have a 2001 VCT, have added Lukey extractors, K&N filter, T-series snorkel induction. The performance of the car is definetly better as it breathes far better. Fuel economy also got a small but modest increase normally extra 30kms per tank full. I always use Shell Optimax or BP Ulitmate. First service isnt due yet but am thinnking of providing my own oil for the task, was thinking either Shell Helix Ultra, Mobil One or Castrol TXT . Not sure what Ford uses as standard but if they cover all the other costs of servicing (to 60000kms) I can cover the oil and know what goes in there!!...Anyone experience with any of those oiils or the FUCHS range??
 

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Tickford Ruled; FPV Rocks
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My XR6HP is completely stock and drinks like a fish. I'm lucky to get 70-80km from 13 litres of fuel. Might have to look at extractors etc, in order to increase economy. BTW, im not always fanging it, just seems to drink around town.
 

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Australian Member
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Discussion Starter · #5 ·
To dkmaj & HP Dude

Ford I believe use Valvoline, Would recommend you try Caltex Havoline Energy 5w -30 It is a group 3 oil base, check out the caltex website, www.caltex.com.au. "go to motor oil area" will give you 50+K's per tank.
Have tried Shell 5w-30, and 5w-40 claimed synthetic, Ferrari oil.
This is not a true synthetic. All there oils are good but not as good as Caltex Energy.
Have not looked at Fuchs oil, you would have to ensure that you use a 5w-30 or 10w-30 grade of oil.

Check out tyre pressure, and on long trip engage cruise if you have it.

Best mileage I received prior to Headers, filter, bigger snorkel etc was 650 per tank, now out to 840 on highway included using 5w-30 Caltex Energy, Halvoline in USA have been the first to introduce a Ilsac 3, oil not in Australia yet current oil is Ilsac 2.
Around town expect around 560-600 K's.
The AUxr6hp is fitted with a standard forte exhaust system, not a
sport system, can improve by fitting 2.5" system from cat back without headers.
 

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NSW TICKFORD OWNERS CLUB
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XR6hp Fuel Economy-Modifications HPDUDE

HPDUDE

Are you running standard unleaded, premium or the higher octane Optimax or Ultimate?...

Cos' if i ever (have to) use regular unleaded fuel economy nose dives....
 

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Australian Member
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Discussion Starter · #7 ·
Re Fuel Type

I run standard unleaded fuel may take time for computer to adjust.
 

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NSW TICKFORD OWNERS CLUB
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XR6HP

have you tried the higher octane fuels?

the XR6 HP has the standard exhaust but the XR6 VCT has a 'sports' twin system like exhaust is that correct?
 

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Australian Member
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Discussion Starter · #9 ·
dkmaj

Yes standard exhaust forte on auxr6hp, twin pipes on vct, they had to deal with irs at rear.
Ran 1 tank of premium grade petrol could not feel any differance, went back to standard unleaded.
 

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Tickford Ruled; FPV Rocks
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Re: XR6hp Fuel Economy-Modifications HPDUDE

dkmaj said:
HPDUDE

Are you running standard unleaded, premium or the higher octane Optimax or Ultimate?...

Cos' if i ever (have to) use regular unleaded fuel economy nose dives....
Interesting point dkmaj. I run regular unleaded. I used to run Optimax but when I would start it cold, it would turnover then stall; all the time! Switched back to reg unleaded, has not stalled since and this was over a year ago! I did notice slightly better economy on optimax but i was not happy about the cold start stalling. I occasionally run 96 RON premium unleaded and i have no probs stalling but i dont notice much difference in economy to reg unleaded. What are your thoughts on this?

Thnax for the oil tip Xrhp6, i'll give the stuff you recommend a try.
 

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Australian Member
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Discussion Starter · #11 ·
Re: Re: XR6hp Fuel Economy-Modifications HPDUDE

HP Dude said:


Interesting point dkmaj. I run regular unleaded. I used to run Optimax but when I would start it cold, it would turnover then stall; all the time! Switched back to reg unleaded, has not stalled since and this was over a year ago! I did notice slightly better economy on optimax but i was not happy about the cold start stalling. I occasionally run 96 RON premium unleaded and i have no probs stalling but i dont notice much difference in economy to reg unleaded. What are your thoughts on this?

Thnax for the oil tip Xrhp6, i'll give the stuff you recommend a try.
You wont be disapointed
 

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Not sure why Optimax would do that, someone more knowledgeable than me may be able to shed some light on that. have you tried the alternatives such as BP Ultimate and i believe Mobil have a 98RON (Synergy 8000) fuel out also.

XR6HP thanks for the Caltex info, checked out the website and might investigate it come next oil change time.
 

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Caltex Havoline

XR6HP...is Havoline Energy, the same as Havoline Formula 3...cos' my local Caltex monly had/knows about the Havoline Formula ...
 

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Australian Member
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Discussion Starter · #14 ·
Re: Caltex Havoline

dkmaj said:
XR6HP...is Havoline Energy, the same as Havoline Formula 3...cos' my local Caltex monly had/knows about the Havoline Formula ...

Halvoline Energy 5w-30 is not the same as formula 3.
Formula 3 is heavier grade.
Try another caltex dealer, not all have in stock.
 

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I went to Canberra and back yestreday and managed a best ever 7.7l per 100k's!

Even with today's club run, lots of fanging about, i'm looking at just over 10l per 100k's.
 

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Venom what do you put that down too?...is that a better than expected result?...that Herrod Motorsport Exhaust coming to the fore!!!
 

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I think so, I assume the ECU learnt as well as it can and that's showing in the fuel economy. The freeway economy wasn't so suprising as todays effort, as I expected to chew more fuel than I did with the sort of driving we were doing. With the xtra power and better sound, I'm 100% satisfied with the system
 

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can you give me a ball park figure on cost and performance of the system....
 

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Herrod supply and fit the complete system, which they designed themselves, for $1800 including before & after dyno.

The system includes HPC headers, 2.5" stainless mandrel-bent exhaust, highflow cat and the chrome tip of your choice. Fitted by guys who know what they are doing!

Rob quotes a 10-15kW increase with the system. I managed 13kW (ECU learning should add a bit extra), 136rwKw up from 123rwKw stock.
 
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