D2 wheels onto P38

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Sir_Ben

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43
Location
Pembrokeshire
My aged P38 has gone off down the road, and its place has been taken by a shiny 2001 version.
About 6 months ago I happened across a set of new-ish winter tyres on 16" D2 alloy rims, and having been assured that the stud pattern was the same, went ahead and bought them - they came without wheel studs and I assumed that I would simply use the ones that would come off!
Turns out that the pattern is the same, but the holes in the D2 wheels are bigger than in my P38 wheels. Everyone I've spoken to says they are interchangeable, but clearly they're not. The answer seems to be to use a stud with the same thread as the P38, but a larger diameter stud to suit the D2 wheels.
Does anyone know anything about the hole dimensions and thread sizes of the various LR vehicles because bay just tends to cite model types, not specific sizes. Do you know whether standard D2 studs have the same thread as the later P38's, as I don't really want to order studs in sets of 20 only to find they don't fit.
 
Sir_Ben said:
My aged P38 has gone off down the road, and its place has been taken by a shiny 2001 version.
About 6 months ago I happened across a set of new-ish winter tyres on 16" D2 alloy rims, and having been assured that the stud pattern was the same, went ahead and bought them - they came without wheel studs and I assumed that I would simply use the ones that would come off!
Turns out that the pattern is the same, but the holes in the D2 wheels are bigger than in my P38 wheels. Everyone I've spoken to says they are interchangeable, but clearly they're not. The answer seems to be to use a stud with the same thread as the P38, but a larger diameter stud to suit the D2 wheels.
Does anyone know anything about the hole dimensions and thread sizes of the various LR vehicles because bay just tends to cite model types, not specific sizes. Do you know whether standard D2 studs have the same thread as the later P38's, as I don't really want to order studs in sets of 20 only to find they don't fit.
Click to expand...

You will have to use D2 nuts with the D2 wheels you may also need spigot rings as the P38 hub location maybe to small. Don't know about D2 but L322 wheels fitted to P38s need this. P38 wheels are located by the nuts, L322 and maybe D2 are located by the spigot on the hub. Do not run the car without spigot rings fitted.
 
That's odd. D2 should be straight swap except the nuts on some of the D2s are smaller! P38 should have 27mm heads whereas some of the D2 ones are smaller. If your P38 wheel-nuts weren't 27mm then someone has changed them in the past.
 
Grrrrrr said:
That's odd. D2 should be straight swap except the nuts on some of the D2s are smaller! P38 should have 27mm heads whereas some of the D2 ones are smaller. If your P38 wheel-nuts weren't 27mm then someone has changed them in the past.
Click to expand...

As i said i don't know about D2 wheels only fitting the L322 wheels to a P38. P38 wheels are centralised by the nuts, the L322 uses the hub spigot to centralise the wheel.
 
Grrrrrr said:
That's odd. D2 should be straight swap except the nuts on some of the D2s are smaller! P38 should have 27mm heads whereas some of the D2 ones are smaller. If your P38 wheel-nuts weren't 27mm then someone has changed them in the past.
Click to expand...

I'm confused too. My old P38 ('99 T-reg) had 27mm heads on 16" alloy wheels. My new P38 has 22mm heads on 18" Hurricane alloys. The 16" wheels from the d2 (described by the seller) have holes that are larger than those in the Hurricanes (about the size you'd expect for a 27mm Stud). I have an old Classic and I took one of the wheel studs from that to try, but the internal thread size (I think they are probably 16mm) was clearly too big for the thread on the new P38 .
What I think I need is a set of wheel studs that have the same internal thread to fit the new P38 hubs (14mm x 1.5 I think) and an OD like that on the standard 27mm heads. Is there such a thing
 
wammers said:
As i said i don't know about D2 wheels only fitting the L322 wheels to a P38. P38 wheels are centralised by the nuts, the L322 uses the hub spigot to centralise the wheel.
Click to expand...
wammy I had the d2s on mine had spigots on as absolute neccasitty,, the bolts were longer than the regular 16" ones , your quite right once again ,, your my hero !!!!!!! mozz. p.m. sue needs to send more cake urgent .!!!!
 
Sir_Ben said:
I'm confused too. My old P38 ('99 T-reg) had 27mm heads on 16" alloy wheels. My new P38 has 22mm heads on 18" Hurricane alloys. The 16" wheels from the d2 (described by the seller) have holes that are larger than those in the Hurricanes (about the size you'd expect for a 27mm Stud). I have an old Classic and I took one of the wheel studs from that to try, but the internal thread size (I think they are probably 16mm) was clearly too big for the thread on the new P38 .
What I think I need is a set of wheel studs that have the same internal thread to fit the new P38 hubs (14mm x 1.5 I think) and an OD like that on the standard 27mm heads. Is there such a thing
Click to expand...

Those aren't the original wheels then and possibly not the original studs. Should have 27mm nuts if it is a P38.

I did have some D2 wheels at one stage and they had smaller nuts although the threads were the same. They might have been 22mm but for some reason I was thinking 24mm. I think the L322 had smaller nuts and the threads themselves might have been smaller too. @Saint.V8 would know as he's had quite a few L322s.

I wonder if someone has swapped out the studs for L322 studs at some stage? The studs aren't expensive and just bang in from the back. Might be easier to just convert it back to stock? Although if someone has been fiddling you have to wonder if they did anything to the hubs too. Are there any spigot rings fitted?
 
TallPaulB said:
@wammers can you fit the 20" L322 wheels onto the P38 using a spigot ring? Is there clearance in the wheel arches? Does it massively degrade the ride?
Click to expand...

19s are ok with 255/50/19 tyres, would not fit 20s. You would have to fit rubber bands 255/45/20 on the 20s to get them in the spare wheel well. And keep rolling radius. And the ride would suffer. You need spigot rings for the L322 19s and 20s. As well as new nuts.
 
wammers said:
19s are ok with 255/50/19 tyres, would not fit 20s. You would have to fit rubber bands 255/45/20 on the 20s to get them in the spare wheel well. And keep rolling radius. And the ride would suffer. You need spigot rings for the L322 19s and 20s. As well as new nuts.
Click to expand...

Thanks Wammers. I don't have a spare wheel anyway (the Gas tank is in there) but it sounds like 19s are the only ones bigger than the 18s that it's worth bothering with.
 
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