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Old 10-10-2020, 07:19 PM   #1
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Join Date: Sep 2020
Location: Federal Way, Washington
Default 1984 245 Gas Non Turbo Spark Plug Recommendations

I am trying to figure out what is the best spark plug for my 1984 245 fuel injected 150,000 machine? I am finding that there are quite a few options and would like to know what is best for this old engine? Also, do you use the gap set at the factory or something else? From the in town parts stores they say that most of the manufacturers would work and that they are all set at the factory. I had purchased NGK R plugs, when I looked at the gap (with a wimpy gauge) it said they were .035. should I purchase Bosch? The car is stock.
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Old 10-11-2020, 02:25 AM   #2
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Join Date: May 2007
Location: PDX

NGK BPR6ES at 0.35"

Herr Harlard am Erstens

1979 242 DL

Originally Posted by t8fanning View Post
My knob has a big chunk of steel on it

Last edited by Harlard; 10-11-2020 at 04:38 AM..
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Old 10-11-2020, 04:16 AM   #3
Enough already!
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Join Date: Oct 2009
Location: CT

Always check the gap.
Regardless if someone tells you it's not necessary.
Differences of opinions should be tolerated, but only if they're not too different. - Sharon Craig
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Old 10-11-2020, 05:37 PM   #4
My car is fun hp club
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Join Date: Jun 2002
Location: S NJ, a suburb of Phila.

Here is what has worked well for me. Gap at the stock .028" Not in any favorite order.
NGK BPR6ES also the NGK V plugs
Denso copper plugs. Denso Iridium.
Autolite 64 and Autolite AP64
Bosch Super plus.

The original plug for your car is the Bosch W7DSR. It is a silver tipped plug that has worked very well for me. But they can get a bit pricey. They are a long lasting plug in my experience they last longer than the copper plugs.

Get the Bosch pac man spark plug gap tool. They used to sell them at Advance auto but the last one I bought on ebay.
1982 242 turbo. 338k miles. MVP coilovers and 3" exhaust. Flowed 405 with a V15. Cossie turbine housing with upgraded compressor housing. 90+, IPD remote oil filter. Some other goodness, too. Been lots of fun over 25 years. Restored in 2k. Now ready for a 2nd restoration.

1993 245 Classic, 435k miles, enem V15. IPD bars and chassis braces. Simons sport exhaust from Scandix. sbabbs ezk chip. Been a good road warrior. Genuine Volvo rebuilt leaky M47.
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