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 What pulley reduction is OK before needing new intercooler for R53 JCW?

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MichaelAC

MichaelAC

Location : Horsham, West Sussex
Join date : 2015-03-09
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What pulley reduction is OK before needing new intercooler for R53 JCW? Vide
PostSubject: What pulley reduction is OK before needing new intercooler for R53 JCW?   What pulley reduction is OK before needing new intercooler for R53 JCW? Empty22nd June 2016, 13:20

Hi,

I have an R53 JCW on a 54 plate and was thinking that the next time I service it I may ask them to fit a reduced pulley to maybe 15% from the current JCW 11% one.

Does anyone have any thoughts on the need for an upgraded intercooler to keep this extra air cool like they did on the Cup model?

I don't want to get too involved with modding nor strain the engine too much but if this is a quick and cheap way of increasing power in a moderate way then I may do it.

Thanks in advance for your thoughts....
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Solarin
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Solarin

Join date : 2009-09-10
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What pulley reduction is OK before needing new intercooler for R53 JCW? Vide
PostSubject: Re: What pulley reduction is OK before needing new intercooler for R53 JCW?   What pulley reduction is OK before needing new intercooler for R53 JCW? Empty22nd June 2016, 21:04

I'm not an expect on this, so hopefully someone more knowledgeable can chip in, but if I remember correctly with a 15% you don't need to change anything else, but with a 17% it is wise to upgrade a few other bits to cope.

I would wait for a R53 owner to confirm though.
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MichaelAC

MichaelAC

Location : Horsham, West Sussex
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What pulley reduction is OK before needing new intercooler for R53 JCW? Vide
PostSubject: Re: What pulley reduction is OK before needing new intercooler for R53 JCW?   What pulley reduction is OK before needing new intercooler for R53 JCW? Empty22nd June 2016, 21:21

Hi, thanks, this is kind of what I'm hoping. The only thing I want to avoid is paying out for the minor pulley reduction then finding it makes no difference because the air is too hot.

Thanks for chipping in, all opinions are welcome Very Happy
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Mackem13
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Mackem13

Location : West End
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Join date : 2012-06-06
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What pulley reduction is OK before needing new intercooler for R53 JCW? Vide
PostSubject: Re: What pulley reduction is OK before needing new intercooler for R53 JCW?   What pulley reduction is OK before needing new intercooler for R53 JCW? Empty22nd June 2016, 21:53

Might be an idea to speak to a specialist to get the best advice. Will at Twg is a club sponsor or Sussex Road and race. www.sussexroadandrace.co.uk
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MichaelAC

MichaelAC

Location : Horsham, West Sussex
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What pulley reduction is OK before needing new intercooler for R53 JCW? Vide
PostSubject: Re: What pulley reduction is OK before needing new intercooler for R53 JCW?   What pulley reduction is OK before needing new intercooler for R53 JCW? Empty22nd June 2016, 23:24

Now that sounds eminently sensible, I think I might do that, thanks.
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J0RDAN

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What pulley reduction is OK before needing new intercooler for R53 JCW? Vide
PostSubject: Re: What pulley reduction is OK before needing new intercooler for R53 JCW?   What pulley reduction is OK before needing new intercooler for R53 JCW? Empty23rd June 2016, 08:10

Try mini torque

Been discussed to death
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Gazza

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What pulley reduction is OK before needing new intercooler for R53 JCW? Vide
PostSubject: Re: What pulley reduction is OK before needing new intercooler for R53 JCW?   What pulley reduction is OK before needing new intercooler for R53 JCW? Empty23rd June 2016, 08:50

You are 100% correct 15% is fine I had no problems on my old R53 but 17% you need a bigger intercooler
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MichaelAC

MichaelAC

Location : Horsham, West Sussex
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What pulley reduction is OK before needing new intercooler for R53 JCW? Vide
PostSubject: Re: What pulley reduction is OK before needing new intercooler for R53 JCW?   What pulley reduction is OK before needing new intercooler for R53 JCW? Empty23rd June 2016, 20:21

Thanks Gazza, can you remember if it made a very noticeable difference on your R53?
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MichaelAC

MichaelAC

Location : Horsham, West Sussex
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What pulley reduction is OK before needing new intercooler for R53 JCW? Vide
PostSubject: Re: What pulley reduction is OK before needing new intercooler for R53 JCW?   What pulley reduction is OK before needing new intercooler for R53 JCW? Empty31st July 2016, 09:11

I've decided against doing this now because I think I'll keep her standard. I was thinking the other day that actually, she is quick enough already really. I might look at brakes though at some point. There's always a temptation to add power to a car but this car is fun as it is.
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DU12BAN



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What pulley reduction is OK before needing new intercooler for R53 JCW? Vide
PostSubject: Re: What pulley reduction is OK before needing new intercooler for R53 JCW?   What pulley reduction is OK before needing new intercooler for R53 JCW? Empty1st August 2016, 15:49

I've gone for a -17% pulley, PLUS

Flowed head with +1mm valves
CatCam 1302469 camshaft
550cc Injectors
Full Milltec sports exhaust
Flowed Inlet manifold
Larger charge cooler
Larger throttle body
and a Remap

To help get my 281BHP on the road a Quaife Diff
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NeilAndHisMini
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NeilAndHisMini

Location : Angmering, West Sussex
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What pulley reduction is OK before needing new intercooler for R53 JCW? Vide
PostSubject: Re: What pulley reduction is OK before needing new intercooler for R53 JCW?   What pulley reduction is OK before needing new intercooler for R53 JCW? Empty1st August 2016, 16:25

DU12BAN wrote:
I've gone for a -17% pulley, PLUS

Flowed head with +1mm valves
CatCam 1302469 camshaft
550cc Injectors
Full Milltec sports exhaust
Flowed Inlet manifold
Larger charge cooler
Larger throttle body
and a Remap

To help get my 281BHP on the road a Quaife Diff

That sounds like quite a beast, hope we get to see it in action at Combe. Very Happy
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DU12BAN



Location : Durban
Join date : 2016-03-11
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What pulley reduction is OK before needing new intercooler for R53 JCW? Vide
PostSubject: Re: What pulley reduction is OK before needing new intercooler for R53 JCW?   What pulley reduction is OK before needing new intercooler for R53 JCW? Empty1st August 2016, 16:35

NeilAndHisMini wrote:
DU12BAN wrote:
I've gone for a -17% pulley, PLUS

Flowed head with +1mm valves
CatCam 1302469 camshaft
550cc Injectors
Full Milltec sports exhaust
Flowed Inlet manifold
Larger charge cooler
Larger throttle body
and a Remap

To help get my 281BHP on the road a Quaife Diff

That sounds like quite a beast, hope we get to see it in action at Combe. Very Happy

Yes I hope to get there
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MichaelAC

MichaelAC

Location : Horsham, West Sussex
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What pulley reduction is OK before needing new intercooler for R53 JCW? Vide
PostSubject: Re: What pulley reduction is OK before needing new intercooler for R53 JCW?   What pulley reduction is OK before needing new intercooler for R53 JCW? Empty1st August 2016, 23:02

That sounds great and I can understand the need for the quaife because mine spins the fronts in third (if I let it) and it's a standard JCW.
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DU12BAN



Location : Durban
Join date : 2016-03-11
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What pulley reduction is OK before needing new intercooler for R53 JCW? Vide
PostSubject: Re: What pulley reduction is OK before needing new intercooler for R53 JCW?   What pulley reduction is OK before needing new intercooler for R53 JCW? Empty2nd August 2016, 02:37

MichaelAC wrote:
That sounds great and I can understand the need for the quaife because mine spins the fronts in third (if I let it) and it's a standard JCW.

I would advise fitting the Quaife as a first modification,
it makes such a difference so one can make full use of what horses are available

I have one fitted to my Jaguar XKR, there the traction control was always coming in
so the engine would bog down. Not good when pulling out of a junction.

Now I have the TC switched off and let the LSD do all the work
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MichaelAC

MichaelAC

Location : Horsham, West Sussex
Join date : 2015-03-09
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What pulley reduction is OK before needing new intercooler for R53 JCW? Vide
PostSubject: Re: What pulley reduction is OK before needing new intercooler for R53 JCW?   What pulley reduction is OK before needing new intercooler for R53 JCW? Empty3rd August 2016, 23:50

Yes, they're not cheap but I agree, probably the best first mod along with the brakes on the R53. XKR, very nice, I've considered one of those and still may buy one.

Re traction, my other car is a Quattro TT so no traction worries at all there.
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Moon

Moon

Join date : 2011-07-10
Posts : 2222
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What pulley reduction is OK before needing new intercooler for R53 JCW? Vide
PostSubject: Re: What pulley reduction is OK before needing new intercooler for R53 JCW?   What pulley reduction is OK before needing new intercooler for R53 JCW? Empty18th August 2016, 17:44

Do bear in mind the JCW already has an 11% reduction, so you're not actually going to achieve that much. The 17% figure is in relation to the standard Cooper S.
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MichaelAC

MichaelAC

Location : Horsham, West Sussex
Join date : 2015-03-09
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What pulley reduction is OK before needing new intercooler for R53 JCW? Vide
PostSubject: Re: What pulley reduction is OK before needing new intercooler for R53 JCW?   What pulley reduction is OK before needing new intercooler for R53 JCW? Empty18th August 2016, 21:15

Hi James, yes I was factoring that in and so I guess if I only went to a 15% it'd be 4% and BMW thought that the current intercooler is sufficient for the 11%. However, I disagree, I think the one I have now gets so hot....

Either way, I don't think I'll do it now. The Mini is sorn at the moment and I'm considering selling because I can't really justify having two cars, the wife has her own too. But if I do keep her, which I'd love to, if anything it'll probably be the quaife diff and brakes.

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What pulley reduction is OK before needing new intercooler for R53 JCW? Vide
PostSubject: Re: What pulley reduction is OK before needing new intercooler for R53 JCW?   What pulley reduction is OK before needing new intercooler for R53 JCW? Empty

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What pulley reduction is OK before needing new intercooler for R53 JCW?

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