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-   -   4.2 V8 Intake Linkage Arms (https://forum.a8parts.co.uk/showthread.php?t=2582)

GlynH 13th August 2011 10:47 PM

Quote:

Originally Posted by Simon Wallwork (Post 24725)
( if not working properly, they make the car a lot less powerful and it uses more fuel)
My cars average fuel DIS was 23.1 mpg before I fixed it. Now it's 21.3.

What? It uses more fuel now you've fixed them? ;)

Had I known I might have been tempted to leave mine broken instead of ordering those classy-looking Gruvenparts items...:rolleyes:

I was only in Atlanta a few weeks ago and could have bought a job lot back with me had I read this thread before I flew home! :D

Regards,
-=Glyn=-

SilverS8 14th August 2011 05:06 PM

Quote:

Originally Posted by GlynH (Post 26127)
What? It uses more fuel now you've fixed them? ;)

-

I gotta ask the same:). I just hope the numbers are mixed?

Simon Wallwork 16th August 2011 11:40 PM

Ahem.... that was a typo.

Now 23.3. Whoopie-Do!

I've done about 20,000 miles at '23.1', so for the miles since the repair to have built that average mpg up to '23.3' I reckon the car might be doing 24 mpg????

Who cares. It shows the car goes better (faster/ better mpg) with them working.

I love the S8, but them fill ups r hurtin!:)

FireStorm 6th October 2011 07:30 PM

bumpski

HPsauce 29th January 2013 11:59 AM

Having driven my "new" FL S8 a fair bit in the last few days I'm beginning to think it may have this problem.
It's nice and urgent at low speeds and low revs, but feels decidedly sluggish above 3000rpm compared to my PF model, which had twice the mileage.

Is it easy to get the relevant covers off to check - any photos I can be pointed at to see what's involved?

I found this pointing at the components to check, but no idea how to get to that view. http://forums.audiworld.com/showthread.php?t=2801728

HPsauce 29th January 2013 02:37 PM

OK, didn't realise how easy that is to do. :o
Just checked, all seems fine, links are secure and bellows move as they should with engine on and off. Didn't test at high revs though as it's drizzling.

Adrian E 29th January 2013 10:15 PM

Yep, dead easy when you know where to look lol - I'm guessing maybe cable vs drive by wire and number of valves make it feel quite different to drive?

briang9 29th January 2013 10:26 PM

Quote:

Originally Posted by HPsauce (Post 52667)
It's nice and urgent at low speeds and low revs, but feels decidedly sluggish above 3000rpm compared to my PF model, which had twice the mileage.

its worth experimenting with the gearbox settings, it tends to respond quicker in "S" mode I think, also when in "D" you can change down using the wheel buttons or the stick which gives it instant pick up (good for over taking) and it drops back into "D" again when it thinks you have put your sensible head back on;)

HPsauce 30th January 2013 07:56 AM

Yes Brian & Adrian, I think you're right.
What with the different gearbox control, kickdown switch etc. it probably just needs getting used to.

I haven't checked the floor switch yet TBH but have already accidentally dropped a cog by catching a steering wheel button with the base of my thumb!
And the gear changes are quite "lazy" in Drive - it goes into 5th below 40mph and holds that as it slows - I've driven along for some distance with revs well below 1500 which I could never have done in the old car!

That suits me as there are a lot of slow roads around me where "pottering" is the only option.

I did use a bit of "extreme wellie" last night to quickly pass a group of cars crawling along at about 30 in a 50 limit and it behaved as expected. +++


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