F355 What brand spark plugs are in your F355 - Ferrari Life
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post #1 of 38 Old 09-11-2013, 12:02 PM Thread Starter
 
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F355 What brand spark plugs are in your F355

HI GUYS

what brand spark plugs in your F355 ? I would like to know
(I have NGK-PMR7A) what newer or upgraded plugs are recommended for F355

I was asked this Question earlier in the week by a 355 owner

thanks
krome
i also taught these plugs last 100K miles, what do you say !
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post #2 of 38 Old 09-11-2013, 01:40 PM
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Krome- Some of the newer cars have iridium plugs recommended, but NGK still recommends the PMR7A platinums for the F355. You can find NGK's spark plug chart online.

I am running the newer iridium plugs in my 575M.

Taz
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post #3 of 38 Old 09-11-2013, 04:39 PM Thread Starter
 
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thanks guy
we might hear from others of other BRANDS PLUG
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post #4 of 38 Old 09-11-2013, 09:20 PM
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Krome- Look it up. Bosch and Champion have the same kinds of charts. I remember the vast improvement in ignition performance when NGK introduced their wide heat range spark plugs in the 70s. Still fond of NGKs and run them myself.

Taz
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post #5 of 38 Old 09-12-2013, 03:26 AM
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I run NGK plugs in every Ferrari application and have been doing so for over 20 years...Even further back, when my shop was a Bosch stocking dealer, we'd still run NGK plugs in just about everything, except for a few select German models. I run Champions in my weed whacker, because the hardware store doesn't stock NGK.

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post #6 of 38 Old 09-12-2013, 11:05 AM
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David- Same here. Last set of non-NGKs I used were Bosch platinums in my 69 911S in 1974. NGKs in the Dino, Daytona, 308 GTS and 575M. On the first three, I actally changed them myself before I got old and lazy.

Taz
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post #7 of 38 Old 09-12-2013, 01:12 PM
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Taz,
Here's a fairly new Bosch plug that I pulled put of a 328. I haven't seen this type of failure in a long, long time.
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post #8 of 38 Old 09-12-2013, 02:05 PM
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David- Have not seen a blown spark plug since my hot rodding days. Bosch is not what it used to be.

Taz
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Present: 575M 135171
Past: Dino 246 GT 02984, 365 GTB/4 14009, 308 GTS 25125

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post #9 of 38 Old 09-12-2013, 02:45 PM Thread Starter
 
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100 k mile spark plugs for --all ferrari--right

are these the 100k mile GUARANTEED plugs ------NGK-

if these plugs guaranteed for 100K miles we never need to change PLUGS in our FERRARI

SO WHY WE CHANGE SPARK PLUGS EVERY 5K MILES OR SO ?
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post #10 of 38 Old 09-12-2013, 03:41 PM
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Quote:
Originally Posted by tazandjan View Post
Bosch is not what it used to be.
Agreed. NGKs are far better. Around 1989 we had an issue with a faulty Bosch spark plug and Bosch would not honour the warranty saying there was nothing wrong. It was only a few ús but since then on principle have used nothing but NGK. Not sure exactly how many, but we go through quite a few thousand every year and not a single failure. Every time the Bosch guy walks through the door and sees the empty boxes (send them through for NGK promo stuff) he's like, how can we get your business and we are like well, it's a long story but around 1989...no thanks happy with NGK.

Also use NGK lamda probes and Glow Plugs. To be fair Bosch batteries are pretty good!



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post #11 of 38 Old 09-12-2013, 05:13 PM Thread Starter
 
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About bosch

I have --bosch battery--in my f355
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post #12 of 38 Old 09-13-2013, 02:43 AM
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Krome- Ever tried to remove a set of spark plugs that have been in an aluminum head for 10 years? Ask the pros what that is like.

Taz
Terry Phillips

Present: 575M 135171
Past: Dino 246 GT 02984, 365 GTB/4 14009, 308 GTS 25125

Every day I look around, and if nobody is shooting at me, it is a pretty good day.
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post #13 of 38 Old 09-13-2013, 03:50 AM
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Quote:
Originally Posted by KROME View Post
I have --bosch battery--in my f355
Last I knew, at least for here in the States, there are two primary battery manufacturers...and Bosch isn't one of them. I'm not so sure if this is true in Europe, though...

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post #14 of 38 Old 09-13-2013, 04:35 AM
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Quote:
Originally Posted by tazandjan View Post
Ever tried to remove a set of spark plugs that have been in an aluminum head for 10 years? Ask the pros what that is like.
An interesting question....and not to complicate this any further, NGK recommends against using anti-seize compound on the threads of most of their spark plugs, if so coated with the special, "what appears to be" normal zinc, plating. I'm not so sure that I'm comfortable with that advice in an aluminum head...

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post #15 of 38 Old 09-13-2013, 04:36 AM
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Quote:
Originally Posted by David @ FluentInFerrari View Post
Last I knew, at least for here in the States, there are two primary battery manufacturers...and Bosch isn't one of them. I'm not so sure if this is true in Europe, though...
Bosch batteries are manufactured in a jv with Varta, whose battery division is now owned in part by Johnson Controls, who are as you say one of the two primary US battery manufacturers. The other being Exide iirc.

PR Newswire UK: Johnson Controls to acquire Varta automotive battery business -- August 06,2002


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post #16 of 38 Old 09-13-2013, 04:38 AM
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Thanks for the clarification and refreshing my understanding of who the players really are in this space.

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post #17 of 38 Old 09-13-2013, 04:44 AM
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Quote:
Originally Posted by David @ FluentInFerrari View Post
Thanks for the clarification and refreshing my understanding of who the players really are in this space.


I try to keep up but it changes all the time!

.
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post #18 of 38 Old 09-13-2013, 07:28 AM Thread Starter
 
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Bosch battery

I bought my ----bosch battery----from ---pep boys

google pep boys ----ask for ---bosch battery---

i have that in my ----f355
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post #19 of 38 Old 09-15-2013, 10:51 AM
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Quote:
Originally Posted by t1fosI View Post
Bosch batteries are manufactured in a jv with Varta, whose battery division is now owned in part by Johnson Controls, who are as you say one of the two primary US battery manufacturers. The other being Exide iirc.

PR Newswire UK: Johnson Controls to acquire Varta automotive battery business -- August 06,2002


.


Johnson Controls is who bought Optima and ruined those batteries.

They are the Borg Collective of the OE automotive world.
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post #20 of 38 Old 09-15-2013, 10:52 AM
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Quote:
Originally Posted by David @ FluentInFerrari View Post
Taz,
Here's a fairly new Bosch plug that I pulled put of a 328. I haven't seen this type of failure in a long, long time.



Bosch invented the spark plug and they still don't know how to make a good one.
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