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which denso plugs and gap please

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Old Oct 14th, 2014, 16:52   #1
carpcrew
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Default which denso plugs and gap please

hi fitted some ngk 4 prong plugs but car runs and misfires like mad, ive read that single point denso plugs are good for lpg on my s60 2.4 non turbo, if so are the denso tt type ok, part no k20tt and what gap should i set on them, cheers
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Old Oct 14th, 2014, 22:45   #2
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no idea - but put your old plugs back in for now
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Old Oct 15th, 2014, 21:19   #3
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Multi prong plugs are a no go with LPG. The denso number you have given looks like a twin prong so again not a good idea.

NGK BKR7E or iridium equivalent will do the job
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Old Oct 15th, 2014, 21:21   #4
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BKR7EIX is the Iridium number
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Old Jan 8th, 2015, 16:30   #5
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I'm a sure Classicswede will correct me but a smaller gap works better too. Cheap plugs cahnged often. A tenner the lot. (Specail so-called LPG plugs are snake-oil at those prices so can't possibly pay so forget 'em) Volvo have it that I should be at 0.9mm but my V70 was not happy (missing and poor starting) until I went down to 0.7mm.
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Old Jan 17th, 2015, 19:17   #6
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Denso spark plug K20PRU / K20PR-U -4 pack
SKU: 00075805
1 £6.06

Goods Net: £6.06
Carriage Net: £1.24
Sub Total: £7.30
VAT: £1.46
Total: £8.76
Opie Oils Limited, The Fuel Depot, Cardrew Industrial Estate, Redruth, Cornwall, TR15 1SS
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Old Jan 18th, 2015, 11:11   #7
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I forgot to say, Ovlov quote 0.9mm but don't quote a differnt figure away from petrol. 0.9mm works when spanking new. 0.7mm works forever.


bimmer49 That's the kiddies for my V70 too...

Denso spark plug K20PRU / K20PR-U x 5

A tenner for five delivered on the blag of e. This lot have been in a year (25-26000 miles) so should come out soon.
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Old Jan 26th, 2015, 18:36   #8
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Quote:
Originally Posted by bimmer49 View Post
Denso spark plug K20PRU / K20PR-U -4 pack
SKU: 00075805
1 £6.06

Goods Net: £6.06
Carriage Net: £1.24
Sub Total: £7.30
VAT: £1.46
Total: £8.76
Opie Oils Limited, The Fuel Depot, Cardrew Industrial Estate, Redruth, Cornwall, TR15 1SS
That gets my vote too. Stuck them in about 10K ago ... never missed a beat (touch wood) !
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Old Sep 6th, 2022, 18:52   #9
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Quote:
Originally Posted by CNGBiFuel View Post
I forgot to say, Ovlov quote 0.9mm but don't quote a differnt figure away from petrol. 0.9mm works when spanking new. 0.7mm works forever.


bimmer49 That's the kiddies for my V70 too...

Denso spark plug K20PRU / K20PR-U x 5

A tenner for five delivered on the blag of e. This lot have been in a year (25-26000 miles) so should come out soon.
Thank you for this gem. I have been struggling with poor power on our single point system and I think it was due to too wide a spark gap
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Old Sep 10th, 2022, 00:21   #10
CNGBiFuel
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Not sure what you run... P80 coils are also prone to break-down. More so if worked hard, running wide-gap plugs. Spark goes somewhere else, and that'd be thru' coil insulation.
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Last edited by CNGBiFuel; Sep 10th, 2022 at 00:27.
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