Well, my car has been making funny noises lately and last night i've realised that I had engine knock. It was running like a disel engine and was making lots of nasty metalic noises. I taught that something might be loose under the car. But then I've realised last night that I've been expiriencing detonation since it only happened when I was accelerating.

The thing is the night before I've been driving the car quiet hard since I was breaking in the brakes. And the car sounded quiet bad then, like lots of bolts in cement mixer, it was very loud. I hope I didn't do any damage to the engine since I accelerated hard 12 times to around 120km/h. By the way, did you guys notice that the speedo is kind of slow to show your current speed. I've slow down to a near complete halt and it was still showing 40km/h. then when I was accelerating in 3rd and started brakeing the needle was still moving up.

I've booked in to get the car looked at this thursday. The knock went away after I've added NOS Octane Booster off-road formula to half a tank of fuel.

I'm shocked that the CSL light didn't go off, since it's supposed to when there is detonation. I think I might have a faulty knock sensor.

By the way the brakes are great and they don't squeal like some people said that they do. I can get them to make some noise if i try really hard and only if they are cold, but all it takes to warm them up is a fast stop from 60km/h or a slow one from 80km/h.

I think the secret is putting on a generous amount of high temp anti-squeal paste, I used around 1.5mm thick layer on the shims. By the way, I used wurth which is supposedly good for 1100C (my german is rusty) and it's doing it's job very well.

 

According to sources who has tested the different premium fuels, BP Ultimate is actually one of / the worst out of the major brand name fuels. So stay away from BP Ultimate.

Another option would have been to fill the rest of the tank up with good premium fuel, but you wouldnt be able to tell what good.

The speedo is slow so you it can display constant speeds when crusing, otherwise it would be changing constantly.

So what is the theory behind anti-squal paste? How does it work?

 

thanks for the tip, i've been told otherwise, so I've been using it exclusvily lately, I'm going back to Optimax. I've never had any problems with it.

well, it's supposed to reduce/eliminate vibrations. It's supposed to work like a small shock absorber/dampener I think.

 

I've also came across an article that said BP Ultimate was one of the better brands (apparently the best in WA as we do not have all the other brands other states do....)

mchapman, do you have a link to any information on the testing?

 

By the way, did you guys notice that the speedo is kind of slow to show your current speed. I've slow down to a near complete halt and it was still showing 40km/h. then when I was accelerating in 3rd and started brakeing the needle was still moving up.

That's pretty normal for any car ... you just notice it more in cars with digital speedo.

btw, this is a big reason why there's not much point trying to time 0-XXXkph fromthe speedo as you won't get any accuracy of it while you're accelerating. Tacho is a lot more responsive/accurate so it's better to go by that if you are familiar with the in gear revs/speed relation.

ps. Good to see you're happy with the brakes, though from what I know, there's no need to embed the Ferodos as they already come 'embedded'. Still, there's no harm in doing so ... and always there's probably some benefit.

 

DavidM, well I did the embed because from what I've read is that the brake pads need to deposit a layer of brake pad material on the rotor for them to work better and to reduce the rotor wear.

Also when I've drove the car the brakes didn't have a lot of bite. Now after the embeding they do. I also have noticed there is an uneven (as in it doesn't cover the whole surface area of the rotor) grey discolouring on the rotors, it's quiet distinctive compared to the shiney polished rotor, from what I've read that is the brake pad matterial. I think I'm going to do it one more time to get a more even layer of it.

 

well I did the embed because from what I've read is that the brake pads need to deposit a layer of brake pad material on the rotor for them to work better and to reduce the rotor wear.

Yeah, most pads need that. Oddly enough I'm told that the Ferodos do not ... still, as I said, I can't see it doing anothing else but good. I am used to embedding the pads, as I often get them just before I go to the track and you want 100% relibility from your braking. Thuogh, this is the 1st set of pads that I was told that it is not required, and hecne I did not do any 'embedding' before I got to the track. At the track my 1st lap was a 'sighting lap' anyway, so it's not like I punnished them straight away, but still, I came away from the day very happy with my braking performance.

I do not know why (or how) the Ferodos are 'embeded' from factory ... but it seems like there is something to it.

I also have noticed there is an uneven (as in it doesn't cover the whole surface area of the rotor) grey discolouring on the rotors, it's quiet distinctive compared to the shiney polished rotor, from what I've read that is the brake pad matterial. I think I'm going to do it one more time to get a more even layer of it.

Yep, that's from the pads ... you usually get a layer like that when you're hard repeatedly. Though, if you then revert to 'normal' braking/driving then you'll scrape of that layer after a couple days and your rotors should be shinny again.

 

Guys that is rubbish about the BP fuel. Nuff your fuel in Sydney would come from BP's Brisbane refinery which is the most advanced in the country. Shell Optimax is actually the least refined of all the 98 octanes and I believe is more of a blend (and is why people sometimes comment about the smell from running Optimax).

If you genuinely think you have a problem with the fuel I would contact BP and speak with them directly - the problem may be with the service station you got it from.

 

dixonbn, PM sent with info that i am basing my statement on.

According to source BP Ultimate is best for WA and parts of QLD because they dont have Mobils Synergy or Shells Optimax.

 

dixonbn, i wouldn't be suprised if it was the service station, I've contacted bp and filled a complaint. That was 2 days ago, I still didn't hear anything from them. I've been using BP ultimate before and I didn't have any problems, since I go through about 60-70L of fuel a week, I don't think that I'm going to risk going to another BP service station soon unless I'm really desperate.

 

 

Murray, just replied to your PM, thanks. As I said I simply don't accept what some people say on the fuel quality issue.

Nuff, not sure from your post if you just contacted the service station or BP directly, but have a look at the BP fuel guarantee that is on their Ultimate web site and call their 1300 fuels line.

fuel guarantee

Brett.

 

I've contacted them directly. I'll try one more time.

 

Brett, they didnt want to be mentioned so could you please remove the references from your reply? The others know who you are refering to. Just click the edit button, located at the bottom right hand side of each post next to the reply button.

P.S. I didnt recieve your PM.

 

Murray, have edited it but am sure in an old thread they were fairly open in their claims. In any event the only claims worth listening to are the ones that people are prepared to back up.

 

dixonbn, I've read the fuel guarantee, and it will not apply to me, since I don't have the original sample. After all I've added the octane boosters.

EDIT: Murray, clean your PM box, it's full

 

dixonbn, I've spoken too soon, they have got back to me and they want a fuel sample. They have told me outright that they think that it was not the fuel, WTF?

 

Thanks for that Brett,
Thats fine, im just passing on information which I heard on the topic which is based around an actual test that was performed. It isnt the be all or end all, just some more info to add to the pile.

Its says my mailbox is only 60% full, ive deleted some messages anyway?