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-   -   GruvenParts (https://forum.a8parts.co.uk/showthread.php?t=4192)

gapthree3 16th February 2012 12:57 PM

GruvenParts
 
Just recieved my 1" arms from www.gruvenparts.com and replaced the broken arm on the RH (as you look at it) inlet vacum pod. Easy to do, after taking off the engine cover. Just pushfit the old off & on with the new, all done by hand. Took her for a spin and noiced quite a difference on my now 190K 2002 S8. Between 2,000rpm & 4,000 there is definately more torque and so the gbox does not need to kickdown as much. All in all a major performance improvement for £80. I'll see if it improves the 23.6 mpg average and post any changes. Well worth checking out if yours have snapped as most do and go undetected.

mannyo 16th February 2012 07:58 PM

do the 3.7 40V V8's have these arms as well, or are they only the domain of the 4.2?. At 175,000 miles should I be checking.

Adrian E 16th February 2012 07:59 PM

I expect it does - just pull the top engine cover off and they're visible on the front of the engine - couple of bellows is all it is +++

You may even be able to use the 2" arms advertised recently?

Architex_mA8tey 17th February 2012 01:01 AM

1 Attachment(s)
Quote:

Originally Posted by Adrian E (Post 34131)
I expect it does - just pull the top engine cover off and they're visible on the front of the engine - couple of bellows is all it is +++

You may even be able to use the 2" arms advertised recently?

Yes they do have them, and as Adrian suggests they are longer than the S8 ones, but you won't be able to use the 2" arms advertised recently because I have already acquired them! :p

http://forum.a8parts.co.uk/attachmen...1&d=1329444043

71camaro 17th February 2012 03:35 AM

I'm averaging 17.9 mpg :(

Adrian E 17th February 2012 07:45 AM

I've averaged 14.9mpg overall since I started making a note of fuel fills last March.....

Tank average ranges from 12 to 20.2mpg - that's calculated average, not DIS lies!

mannyo 17th February 2012 11:34 AM

Quote:

Originally Posted by 71camaro (Post 34152)
I'm averaging 17.9 mpg :(

At least you are not paying US$7.56 per US Gallon.

SilverS8 17th February 2012 02:02 PM

Or $10,36
:eek3:

frankow 17th February 2012 06:39 PM

I have a set of Gruvenparts S8 1" arms available if anyone is interested, see For Sale section.

Brand new, not even opened.

https://files.me.com/waynebailey/gpa4yq

mannyo 18th February 2012 10:42 AM

Quote:

Originally Posted by Architex_mA8tey (Post 34151)
Yes they do have them, and as Adrian suggests they are longer than the S8 ones, but you won't be able to use the 2" arms advertised recently because I have already acquired them! :p

http://forum.a8parts.co.uk/attachmen...1&d=1329444043

I checked mine today, the plastic ones are fine and still in one piece. I also checked their operation, and both seem to move correctly so it seems I am all good.


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