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  #1  
Old 11-13-2007, 01:23 AM
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What spark plugs to run in 1990 volvo 740 Turbo

I want to repalce the plugs in my 1990 Volvo 740 Turbo wagon. The car came with Motorcraft spark plugs...well I know there is better. I have always ran the bosch supers in the Volvo and they have done great. My mechainc was trying to talk me into a set of platium plus four. Well they are twice the price and I have read various reviews on them. I'm tempted to stick with the norm...but maybe I shouldn't be so stuck to what I know. This same mechanic said that he thought even the NGK plugs were better then my bosch supers. Seems kind of weird to run a japanese plug in a bosch system. Anyway tell me what you think. Thanks.

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Old 11-13-2007, 10:47 AM
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I still miss my '91 740 but I can't for the life of me remember what plugs went in there.

But I'd trust what IPD says about it though. And they say Bosch.

http://www.ipdusa.com/Volvo-700/Engine/Filters-&-Tune-Up/Spark-Plugs/p-70-189-251-1124/
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Old 11-13-2007, 11:01 AM
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I was always very happy with my Bosch Platinum Plus's (single electrode). I don't know what the huge advantage is with the multiple electrodes... Kinda smells of snake oil to me but who knows...
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Old 11-13-2007, 12:41 PM
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Question

Quote:
Originally Posted by Jim B. View Post
I still miss my '91 740 but I can't for the life of me remember what plugs went in there.

But I'd trust what IPD says about it though. And they say Bosch.

http://www.ipdusa.com/Volvo-700/Engine/Filters-&-Tune-Up/Spark-Plugs/p-70-189-251-1124/

I too...but they wanted to sell me NGK
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  #5  
Old 11-13-2007, 05:43 PM
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Your mechanic may well be following an undisclosed,personal, and profit-based agenda, as to the spark plugs, when he speaks to you, based on your remarks about what he said, in the original post.
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1991 560 SEC AMG, 199k <---- 300 hp 10:1 ECE euro HV ...

1995 E 420, 170k "The Red Plum" (sold)

2015 BMW 535i xdrive awd Stage 1 DINAN, 6k, <----364 hp

1967 Mercury Cougar, 49k

2013 Jaguar XF, 20k <----340 hp Supercharged, All Wheel Drive (sold)
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  #6  
Old 11-14-2007, 11:05 AM
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Quote:
Originally Posted by nh500sl View Post
I too...but they wanted to sell me NGK
NGK makes a great plug! Just ask BMW they ditched Bosch several years ago for NGK.
Every time I have run Bosch platinums in anything the car has had some sort of drivability problem, hard starting hesitation random missfire, you name it. Motorcraft also makes a good plug in my opinion.

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