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200 Series General Forum for the Volvo 240 and 260 cars |
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Spark plugsViews : 375 Replies : 4Users Viewing This Thread : |
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Apr 14th, 2019, 10:05 | #1 |
Ye olde Volvii galore!
Last Online: Dec 18th, 2023 11:23
Join Date: Oct 2017
Location: Sherborne
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Spark plugs
Hi all,
After owning my Torslanda for a few months I decided it was time for a light service, so changed oil and filter and ordered a set of BPR6ES plugs from ECP. The oil and filter change didn't make much difference but the plugs that came out were BPR6E units with a grooved electrode...I've never seen those in a Redblock, but didn't think anything of it. However, the engine is FAR more sprightly with the standard BPR6ES plugs, really punchy and driveable. Why would the previous BPR6E plugs be used? The car was cammed by the previous owner (it was a courtesy car for an indie Volvo garage for 20+yrs so presumably they had the bits to hand) and the engine, at 125k, has been meticulously maintained and is sweet as a peach. Absolutely lovely car to drive.
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Apr 14th, 2019, 10:42 | #2 |
Premier Member
Last Online: Jun 21st, 2021 20:47
Join Date: Jun 2018
Location: Creswell
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Oh I wish I could remember the code from my motor factor days... I bet you can find ngk codes online... The V groove plugs were coded VG on the end, S was quite mundane and fitted to most things. Can tell you the rest I think 😁 B= 21mm hex (BC =16mm Hex) P maybe core, R= resistant core (electrical resistance, to reduce interference) 6= heat value E I think is the threaded length, then theres S...
So BPR6ES, BCPR6ES, BCPR6EVG all essentially same plug but first plug is 21mm hex, second two are 16mm hex, and last plug is V-Groove. |
Apr 14th, 2019, 10:52 | #3 |
Premier Member
Last Online: Jun 21st, 2021 20:47
Join Date: Jun 2018
Location: Creswell
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Right, E is thread length as I thought, and S is copper core.
Found a couple if charts, the official ngk chart isnt as clear but included for verification. |
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Apr 14th, 2019, 13:40 | #4 |
VOC Member
Last Online: Jan 16th, 2024 18:10
Join Date: Apr 2006
Location: Bournemouth
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Thanks Andy for those details
I've been looking for that. The hotter the running engine as in LPG, colder the plug, right? I am using 5 at the moment I think 6 would be better BrianH 245 GL 1989 LPG |
Apr 15th, 2019, 09:28 | #5 |
Trader Volvo in my veins
Last Online: Yesterday 23:53
Join Date: Dec 2004
Location: Anglesey
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With LPG the standard 6 is fine, I would not be expecting a 5 to cope all too well. I have used 7's with no issues but only worth thinking about on a harder driven engine
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