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I'm back! Advice on air cones!

Steve foxton

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Hello lovely people,

Been absent for a while. Couldn't login so had to re register and will have to work my way back up! Hey ho.

Anyone fitted a cone filter to the 2.7 s type diesel? Any advice or pointers would be appreciated peeps......and it's good to be back in the fold. Lol

look forward to some opinions. Thanks in anticipation

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most people just put a K&N panel filter inside the original airbox

the standard airbox is very good and has a cold front air feed, which is directly in front of the grill, giving some ram air type flow

would make next to no difference on a diesel

On the S-type R's you actually lose power by fitting a cone filter, on street/town driving, due to heat soak from the engine bay, the engines generate loads of heat in the engine bay at low speeds, it sucked up by the engine, due to high temperatures, the ecu retards timing to compensate, giving a loss in power

All high quality race type filters use either a panel filter or cone filter in a sealed box, with a cold air feed direct from the front of the car, standard air box offers this, especially if a better filter is fitted, like a K&N

if you want more power get it mapped, but make sure you change the oil regular and keep an eye the oil level does not go up on its own, due to leaky injectors, as this is the biggest cause  of snapped cranks on this engine

also any air filter that offers more air flow or performance, can only be acheived by offering better flow, which can only be done by sacrificing filtration, so more dust and particles will enter the engine, causing unnecessary wear, fact.



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Hey joe,

spoken with you before so appreciate your reply. 

Had the car remapped last year....it was one of my last topics before I got locked out for some reason. The reason I asked about the cone conversion was that it always seems the air access on a standard car is restrictive...such a small access. It was an obvious query as many of you guys have far more experience of these cars than me. Guessing I'm just looking at options but will scrub that one and move onto the next one and will hopefully work my way up from being a newbie again...lol. 

Thanks again joe and look forward to participating again in all things s type. Be safe.


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