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Grenadier

Member Since: 23 Jul 2014
Location: The foot of Mont Blanc...
Posts: 5765

2011 Defender 110 Puma 2.4 DCPU Corris Grey

mk1collector wrote:
Surely the rolling radius of an 18" wheel and tyre should be roughly the same as a 16" wheel and tyre so won't make the arch gap any different?

Would they? How would that work? Large wheel=larger tyre=large radius, surely? Monsieur Le Grenadier

I've not been everywhere, but it's on my list.....

2011 Puma 110DC - Corris Grey

11th Apr 2018 2:35pm

Intercept

Member Since: 27 Feb 2017
Location: Suffolk
Posts: 587

2002 Defender 110 Td5 Black LE Java Black

Grenadier wrote:
mk1collector wrote:
Surely the rolling radius of an 18" wheel and tyre should be roughly the same as a 16" wheel and tyre so won't make the arch gap any different?

Would they? How would that work? Large wheel=larger tyre=large radius, surely?

Find out here: https://tiresize.com/tyre-size-calculator/

11th Apr 2018 3:10pm

mk1collector

Member Since: 17 Sep 2009
Location: West Yorkshire
Posts: 6769

The tyre wall is smaller to compensate for the bigger wheels so your speedo reads the same. Ray
My build thread
http://www.defender2.net/forum/topic17615.html

11th Apr 2018 3:38pm

Grenadier

Member Since: 23 Jul 2014
Location: The foot of Mont Blanc...
Posts: 5765

Christ I'm dim sometimes

Monsieur Le Grenadier

I've not been everywhere, but it's on my list.....

2011 Puma 110DC - Corris Grey

11th Apr 2018 4:46pm

mk1collector

Member Since: 17 Sep 2009
Location: West Yorkshire
Posts: 6769

don't worry I'm dim most of the time

Ray
My build thread
http://www.defender2.net/forum/topic17615.html

11th Apr 2018 5:47pm

CarMan

Member Since: 29 Nov 2010
Location: Cotswolds
Posts: 1777

hank wrote:
zsd-puma wrote:

If you go onto topix and look up your build sheet from the VIN, it should state whether HD springs were fitted.
Failing that you'll have to get under there with a torch and try to find the colour codings.

Good tip!! What am I looking for to identify whether HD springs have been fitted? I can see on my build sheet it says: 4200 LB(1909 KG) REAR AXLE ASY

Mine says this: HVY DUTY SUSP L316 (DNU)

But you can identify from the coloured markings on the springs if you can see see them of course and compare to the chart earlier in the thread Rob

1993 200tdi 90 hard-top
1998 300tdi 90 soft-top
2016 2.2 XS 90 hard-top

11th Apr 2018 6:16pm

Grenadier

Member Since: 23 Jul 2014
Location: The foot of Mont Blanc...
Posts: 5765

Tried to have a look, but winter grime prevents me. It'll be going for a deep clean soon, can take a peek after.

For those DCPU owners who have the lift (which seems to be the consensus amongst us that mine has) do you bounce around a lot? As mentioned in my OP, she strangely handles like an absolute dream, better than any Def of any age/type/variety I have ever driven. Note, I have never driven a fast-road suspension version with Bilsteins, upgraded ARBs, lowered springs etc, that is yet to come, but as a stock Def goes she's a blast. But when driving along a straight, at some speed (perhaps 70mkh+) she doesn't half bounce around in the rear when going over gentle rolls in the road, gutters, tarmac changes etc. Monsieur Le Grenadier

I've not been everywhere, but it's on my list.....

2011 Puma 110DC - Corris Grey

12th Apr 2018 9:26am

Roy5695

Member Since: 15 Feb 2014
Location: Cornwall
Posts: 1123

2011 Defender 110 Puma 2.2 XS DCPU Indus Silver

The bouncyness comes from the HD aspect of the springs, load 3/4 ton of crap in the back and it will drive like an absolute dream! 2011 Defender DCPU 2.2 - https://www.defender2.net/forum/topic30623.html

Instagram - @r22oyp

Roy

12th Apr 2018 9:34am

Intercept

Member Since: 27 Feb 2017
Location: Suffolk
Posts: 587

Grenadier wrote:
For those DCPU owners who have the lift (which seems to be the consensus amongst us that mine has) do you bounce around a lot?

Removing the lift from mine reduced the cornering roll - it doesn't have ARBs (yet). I don't consider it to be bouncy - that would suggest damper issues.

12th Apr 2018 3:17pm

mick

Member Since: 08 Feb 2010
Location: Yorkshire
Posts: 2109

2010 Defender 130 Puma 2.4 HCPU Rimini Red

As Roy said it’s a weight carrier my 130 is loaded all the time and it’s a real nice ride on any surface.

12th Apr 2018 4:00pm

zsd-puma

Member Since: 09 Aug 2016
Location: Kent
Posts: 2720

2010 Defender 110 Puma 2.4 USW Santorini Black

Roy5695 wrote:
The bouncyness comes from the HD aspect of the springs, load 3/4 ton of crap in the back and it will drive like an absolute dream!

Reducing the rear tyre pressures when empty also helps a bit.

12th Apr 2018 6:30pm

Grenadier

Member Since: 23 Jul 2014
Location: The foot of Mont Blanc...
Posts: 5765

Don't get me wrong, it does handle like a dream, but as mentioned previously if I go over, for an example, a change between tarmac, 90kmh, straight line, there's a definite bounce from the rear for a couple of revolutions. Anyway, it's all moot, as new springs AND new dampers are coming soon and should sort out the ride, the look, the height etc

Monsieur Le Grenadier

I've not been everywhere, but it's on my list.....

2011 Puma 110DC - Corris Grey

12th Apr 2018 6:52pm

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