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Randy Roberson
Frequent User
Username: wascator

Post Number: 839
Registered: 05-2009
Posted on Thursday, 22 October, 2020 - 04:36:   Edit PostDelete PostView Post/Check IP

The Wraith II seems to have a fuel cap which is not correct; perhaps some PO lost the original, who knows. I almost could not remove it at the last fuel fill.
It seems likely this item was bought out rather than made specifically for this model so is there one available for reasonable cost?
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Brian Vogel
Grand Master
Username: guyslp

Post Number: 3105
Registered: 06-2009
Posted on Thursday, 22 October, 2020 - 04:58:   Edit PostDelete PostView Post/Check IP

Randy,

Could you post an image of what it is you actually have? I'm curious.

I can also post an image of the cap on LRK37110, which I know to be OEM issue, and that's quite different than the one on SRH33576, which is only 1 year older but is European, not US spec, which LRK37110 is.

Brian
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Robert J. Sprauer
Frequent User
Username: wraithman

Post Number: 650
Registered: 11-2017
Posted on Thursday, 22 October, 2020 - 05:36:   Edit PostDelete PostView Post/Check IP

Just to add:
My 1977 Shadow LRE-23114 has a "cast" gas cap with a wire keeper attached to the cap. Traditional twist to tighten

My 1980 Wraith II LRL-41587C has a "stamped" cap and marked "Rolls-Royce" and is the newer turn until it clicks type.
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Larry Kavanagh
Frequent User
Username: shadow_11

Post Number: 681
Registered: 05-2016
Posted on Thursday, 22 October, 2020 - 07:03:   Edit PostDelete PostView Post/Check IP

My 79 Shadow SRH37125 has a solid metal cap with female thread while the filler pipe is metal with a male thread, there's a metal chain for a keeper.
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Brian Vogel
Grand Master
Username: guyslp

Post Number: 3106
Registered: 06-2009
Posted on Thursday, 22 October, 2020 - 07:33:   Edit PostDelete PostView Post/Check IP

Interesting in that SRH33576 has exactly what Mr. Sprauer describes for LRE23114 and Mr. Kavanaugh describes for SRH37125.

And LRK37110 and LRL41587C have the same cap. (She's a 1979 US Spec Wraith II, but with SU carbs, not fuel injection like the C suffix cars for the California market.)

I'm guessing the change probably came about due to evaporative emissions requirements for US Spec cars.

Brian
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Robert J. Sprauer
Frequent User
Username: wraithman

Post Number: 651
Registered: 11-2017
Posted on Thursday, 22 October, 2020 - 10:52:   Edit PostDelete PostView Post/Check IP

Yes Brian, the cap on my 1980 Silver Wraith II which was ordered in Dec 1980 and delivered in June 1981, has a gas cap with what appears to be a venting inner cap to minimize a surge upon removal.
CA emissions were tight and reminded when I glance at the 80 mph speedo.
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Randy Roberson
Frequent User
Username: wascator

Post Number: 840
Registered: 05-2009
Posted on Thursday, 22 October, 2020 - 13:41:   Edit PostDelete PostView Post/Check IP

Car is LRF 30305, USA delivery.



Cap I have:

Cap I have
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Robert J. Sprauer
Frequent User
Username: wraithman

Post Number: 652
Registered: 11-2017
Posted on Thursday, 22 October, 2020 - 21:45:   Edit PostDelete PostView Post/Check IP

Aftermarket
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Brian Vogel
Grand Master
Username: guyslp

Post Number: 3107
Registered: 06-2009
Posted on Friday, 23 October, 2020 - 00:40:   Edit PostDelete PostView Post/Check IP

Aftermarket.

The OEM one has a metal top-cap with a plastic thread set.

I can't imagine that RR had an RR-specific cap thread pattern, so it's probably possible to find an aftermarket gas cap with the correct fit. Whoever bought that one didn't since it's binding.

Brian
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Randy Roberson
Frequent User
Username: wascator

Post Number: 841
Registered: 05-2009
Posted on Friday, 23 October, 2020 - 00:58:   Edit PostDelete PostView Post/Check IP

I thought about other British marques perhaps using the same part: Jaguar, Land Rover, et al.
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felipe heuser
Experienced User
Username: felipe

Post Number: 124
Registered: 07-2017
Posted on Friday, 23 October, 2020 - 02:47:   Edit PostDelete PostView Post/Check IP

I have a correct original used metal cap from an early SS if that would fit...happy to sell realistically...plus shipping from Europe...pm me for price and images…
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Brian Vogel
Grand Master
Username: guyslp

Post Number: 3108
Registered: 06-2009
Posted on Friday, 23 October, 2020 - 04:37:   Edit PostDelete PostView Post/Check IP

Photos of the Fuel/Petrol/Gas cap from LRK37110:

Side View

Top View 1

Top View 2

Brian
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Randy Roberson
Frequent User
Username: wascator

Post Number: 846
Registered: 05-2009
Posted on Friday, 20 November, 2020 - 03:19:   Edit PostDelete PostView Post/Check IP

UPDATE: I did find a new replacement cap, at Albers' of all places, and the cost was most reasonable. I only did not look there first because I could not imagine anyone would have a new one in stock. I will post a photo when it arrives and I test-fit the replacement.
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Randy Roberson
Frequent User
Username: wascator

Post Number: 847
Registered: 05-2009
Posted on Sunday, 22 November, 2020 - 07:21:   Edit PostDelete PostView Post/Check IP

New cap fits perfectly; not certain where the strap fastens, though. The new cap has BENTLEY molded in.



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