Quick question

"Otto-the-Croatian-'Whoops my Volvo is a sedan'" (otto-the-croatian) 07/22/2020 at 04:11 • Filed to: Help!

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Edit: Pro lem solved!

Is it ok that the new spark plugs I got have a different top? 4 lil’ sticks vs 1 stick in the old one. The thread lengths are nearly identical, the old one is abojt 2-3 mm longer in to the cylinder. 1998 Volvo V70 NA 2.4

pip bip - choose Corrour > Otto-the-Croatian-'Whoops my Volvo is a sedan' 07/22/2020 at 04:26

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they’ll be fine

Otto-the-Croatian-'Whoops my Volvo is a sedan' > pip bip - choose Corrour 07/22/2020 at 04:58

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Thanks! Got back from a mechanic friend in the meantime. Works great.

PartyPooper2012 > Otto-the-Croatian-'Whoops my Volvo is a sedan' 07/22/2020 at 06:41

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The more lil sticks, the more faster.

I am not sure if the extra length is gonna be ok tho. if nothing smacks it inside - valves, pistons, etc, then it should be fine. 

Snuze: Needs another Swede > Otto-the-Croatian-'Whoops my Volvo is a sedan' 07/22/2020 at 06:50

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FYI, the left side are OEM style, for whatever reason Volvo uses that from the factory, whereas the right ones are a more conventional style.  I used the more conventional style when I replaced plugs in mine and they work just fine. 

Otto-the-Croatian-'Whoops my Volvo is a sedan' > Snuze: Needs another Swede 07/22/2020 at 07:02

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No way, then I inadvertent ly brought it back to factory style. Good to know!

Otto-the-Croatian-'Whoops my Volvo is a sedan' > PartyPooper2012 07/22/2020 at 07:03

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The more lil sticks, the more faster. - it’s just common sense!

The old one was a tiny bit longer, these new ones with more sticks are a few mil shorter. I changed them all and they work great.

PartyPooper2012 > Otto-the-Croatian-'Whoops my Volvo is a sedan' 07/22/2020 at 07:28

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Yep. the more lil sticks account for more ability to make spark.

With one lil stick, if the spark plug gap (distance between electrode and grounded metal - aka lil stick ) was too far or too close, it would not arc properly and not create spark. Much harder to do with more lil sticks.

with no spark, you go 0 mph. with more spark, you go mph >0

My bird IS the word > Otto-the-Croatian-'Whoops my Volvo is a sedan' 07/22/2020 at 07:41

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There is some nuance with the flame dispersion, spark strength, ect but unless you are racing either is just fine. You won't notice the difference.

RacinBob > Otto-the-Croatian-'Whoops my Volvo is a sedan' 07/22/2020 at 08:33

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from the look of it, the right plug is Platinum and the left is a conventional electrode. I’ve come to the conclusion that the original platinum plugs will last the life of the car. For emissions law they have to last someth ing like 7 years so they need to be good. Mine have lasted 13 years and 110k miles. My wife’s did 14 years and 200k miles. Neither has given a lick of trouble. Why change them I ask......

AMGtech - now with more recalls! > My bird IS the word 07/22/2020 at 09:46

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I could write a long essay on this topic. But the way you summed it up is perfect.

Snuze: Needs another Swede > Otto-the-Croatian-'Whoops my Volvo is a sedan' 07/22/2020 at 11:06

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Yeah, I thought it was weird when I pulled them out of the car, because I’d only ever seen the more conventional style. I went through the same thing, but kind of in reverse, trying to see if my conventional style plugs were okay. Turns out both seem to work fine, Volvo just likes to be a little different (as per usual).

Also, if you ever go to do the rear suspension... whew.  Oh boy.  Where to start?

Otto-the-Croatian-'Whoops my Volvo is a sedan' > Snuze: Needs another Swede 07/22/2020 at 11:28

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I can believe it. I changed the axles in the front and it was a pain. I barely got the left one out, it took hours of just beating it (thatswhatshesaid ).

Somewhere down the line the rear shocks and springs are waiting to be replaced, and reading your posts I’m not looking forward to it.

Snuze: Needs another Swede > Otto-the-Croatian-'Whoops my Volvo is a sedan' 07/22/2020 at 11:40

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The front axles were actually pretty painless for me, they popped out without too much fuss as I recall.

Your car is FWD and not AWD, right?

Rear shocks aren’t hard, I did those early on and it was a pretty quick job. Just make sure you check the upper mounts, they have a rubber bushing that can go bad, but mine seemed okay. Springs would be a bit harder and require you to basically drop the rear. If you’re going to do springs you might as well do the toe links since it’s basically all the same steps, and if they have never been done before then they are probably roached.

Pro tip - make sure you get new bolts. The whole rear suspension is basically only held to the chassis by the 2 toe link bolts and the shocks, and the bolts are torque to yield, so you shouldn’t reuse them. I replaced the inner links and toe links, my inner links came with new hardware, but my toe links didn’t. I ordered the hardware I needed (2 toe link to chassis bolts, and 2 toe link retaining bolts and nuts) on Friday but no word on when they will be in.