Archive for AudiSRS.com The place for Performance Audi
 


       AudiSRS.com Forum Index -> Audi S4 & RS 4 (B5) quattro
TurboTy

NGK plugs, too long?

Appreciate there are lots of spark plug stuff on here and in the powers of google, but this one is puzzling me...

Went to replace them today, bought some NGK PFR6Q laser platinum jobbies which were recommended on Eurocarparts when I put my reg number in

So the issue is, the length of them:...



The new plug look a fair chunk longer than the plug that came out, surely this isn't right!?

Thanks in advance for any advice
C J

The plug you took out looks like an rs2 plug. Bad news.
The new one is 100% perfect and correct.
Kent

what you mean bad news dude? i thought these were recommended by MRC?
C J

Do a quick search mate. The exposed end seems to drop off when in b5 application. It's a well known failure.
I wouldn't put them near my Rs4 or advise any of my customers to!!
Kent

will do. thanks for the heads up
Mikse

C J wrote:
Do a quick search mate. The exposed end seems to drop off when in b5 application. It's a well known failure.
I wouldn't put them near my Rs4 or advise any of my customers to!!

You are brainwashed by a_one_in_a_milloin unhappy customer

The best working plug tested and proved by many. Sure anything can break but F5DP0R and one of the best plugs.

I've driven with these for last 9 years and never had issues. No matter how much boost or what fuel these just work.
Also many many co-B5 S4 friends have run these.

C J wrote:
Do a quick search mate. The exposed end seems to drop off when in b5 application. It's a well known failure.
I wouldn't put them near my Rs4 or advise any of my customers to!!

Plug doesn't know if it put "in B5 application"
LOL
Well known failure...??
Aragorn

PFR7Q/6Q also "just work", are cheaper, and are specified by Audi for this engine, why change to some other part that some folk say works fine, and others have had disintegrate and damage engines?

Theres NO advantages in fitting them. So why take a chance?

People that use them try to fob off the failures by saying "oh the ones that failed werent bought from Audi" and various other excuses.
Mikse

Can't say anything about PFR7Q, never tried them, should address the question to MRC e.g.

Also don't know why majority of Audi enthusiastics use Bosch plugs, maybe there's a reason or maybe it's just an old habit?

Not saying which is better/worse just that my 9 Bosch F5DP0R have worked fine from 300 to 750 bhp.
Kent

plug conversations are always so divisive regardless of car / engine / platform lol.
Mocke

Mikse wrote:
C J wrote:
Do a quick search mate. The exposed end seems to drop off when in b5 application. It's a well known failure.
I wouldn't put them near my Rs4 or advise any of my customers to!!

You are brainwashed by a_one_in_a_milloin unhappy customer

The best working plug tested and proved by many. Sure anything can break but F5DP0R and one of the best plugs.

I've driven with these for last 9 years and never had issues. No matter how much boost or what fuel these just work.
Also many many co-B5 S4 friends have run these.

C J wrote:
Do a quick search mate. The exposed end seems to drop off when in b5 application. It's a well known failure.
I wouldn't put them near my Rs4 or advise any of my customers to!!

Plug doesn't know if it put "in B5 application"
LOL

Well known failure...??




What is the heat range on f5d??

I am using successfully Bosch f3cs plugg
Very narrow gap and could hold for 2.5 bar with oem ign system.
Burnzybubbles

I'm running iridiums BR7IEX I think, so stick that up your poo pipes
Mikse

Mocke wrote:

What is the heat range on f5d??

I am using successfully Bosch f3cs plugg
Very narrow gap and could hold for 2.5 bar with oem ign system.

F5DP0R heat range is 8.

What are those Bosch f3cs plugs?
Mocke

It is a plug used in racing world.
Narrow gapped an relatively cheap.
Just bought pack of 12 for 45gbp.
I have been using them for 2 years now at 500 - 800hp levels on both e85 and 98ron.
Mikse

Do have any link because can't find anything of it?
Is it platinum, iridium or good old copper?
Mocke

https://www.boschautoparts.com/en...gs/silver-spark-plugs?partID=F3CS
Mikse

How long shoud those plugs last, mileage? What plugs have you tested and have you had any problems with them or how/why did you ended up to use those?
What heat range are those?
Running E85 should use colder plugs vs pump fuel, right?
Mocke

I ran fd5 first
Std prfq7 platina.
Once i reached over 600bhp i used for a short while those cheap coppar 7s .
They couldn't take too much load and was short lived .
Was recommended by a friend that has built race engines and was around ppl with that kind of experience.

They can take a lots of load. I am still on org ign system.
I change plugs often .
At least 4-5 times a year.

Think these are considered very cold plugs
Mocke

Delite
Mikse

I like to change plugs once in every 4-5 years 😁 so I think I'll stick with F5DP0R or Maybe try BKR8EIX.
       AudiSRS.com Forum Index -> Audi S4 & RS 4 (B5) quattro
Page 1 of 1