Hi all, i thought I'd post up my thoughts on this turbo conversion 
the JBS CC04 conversion is great on first impressions & i can tell you it does get better as you adjust your driving to suit.
James mapped it exactly how i wanted it, with more kick at the top end & no tail-off in the boost pressure so i feels as if its worth holding the car in gear & the throttle pedal buried in the carpet
i love the way you can hold the boost at any point, so none of that 'all or nothing' feeling i used to have
as you know they have no rolling road at the moment, so i can only go by the vag-com logs which showed a consistent air flow rate of 225grams per second on a 3" MAF
the turbo holds 1.1Bar from 5200-6800rpm with zero timing pull.
vag-com log here in Microsoft Excel Worksheet format. (thanks to GaryM for hosting it)
so is there a downside?
a little one, the turbo takes a tad longer to spool, but thats it.
on the upside
the car is just SO much quicker everywhere & pulls like a train until the redline. i am used to some pretty quick cars & my car is faster A-B on my back road & motorway commute than my current 996 daily driver
although most of this may be down to the time of year, my lack of RWD heroics, & the fact i rarely drive above 100 mph for fear of my license
what else can i tell you? i haven't driven an IHI car so i can't compare, but for the money it really is mental, maybe a little to mental for the Leon chassis.
My car sits on Eibach springs & ARB's with an EIP dogbone mount to keep the engine in check & it simply wants to drive straight on when those wheels start spinning.
now this never used to be a problem as it only really span in first & maybe on the change to second. but now it will spin in third when you plant your foot (again, its a bit greasy out there this week, especially in Herts, LOL) so still spinning on the wrong side of 70!
back to the money, James stuck to his quoted price, which impressed me no end as i was expecting loads of 'extras', so £2K +VAT all in including an oil & filter change.
now heres the bit you need to know about that £2k price tag.
you would need to already have the following...
1, FMIC (£700ish)
2, full turbo back exhaust with 3"DP & 'race' cat (£700-1000)
3, open air filter/CAI, or in my case a green panel filter with 4" intake (£50-200)
handling & brakes are up to you, but at best i would say they were 'advisable'
All i can say is get it done, & get it done ASAP
so i finish with what i should have said to start with, & thats
THANKS TO ALL AT JBS
the JBS CC04 conversion is great on first impressions & i can tell you it does get better as you adjust your driving to suit.
James mapped it exactly how i wanted it, with more kick at the top end & no tail-off in the boost pressure so i feels as if its worth holding the car in gear & the throttle pedal buried in the carpet
i love the way you can hold the boost at any point, so none of that 'all or nothing' feeling i used to have
as you know they have no rolling road at the moment, so i can only go by the vag-com logs which showed a consistent air flow rate of 225grams per second on a 3" MAF
the turbo holds 1.1Bar from 5200-6800rpm with zero timing pull.
vag-com log here in Microsoft Excel Worksheet format. (thanks to GaryM for hosting it)
so is there a downside?
a little one, the turbo takes a tad longer to spool, but thats it.
on the upside
the car is just SO much quicker everywhere & pulls like a train until the redline. i am used to some pretty quick cars & my car is faster A-B on my back road & motorway commute than my current 996 daily driver
although most of this may be down to the time of year, my lack of RWD heroics, & the fact i rarely drive above 100 mph for fear of my license
what else can i tell you? i haven't driven an IHI car so i can't compare, but for the money it really is mental, maybe a little to mental for the Leon chassis.
My car sits on Eibach springs & ARB's with an EIP dogbone mount to keep the engine in check & it simply wants to drive straight on when those wheels start spinning.
now this never used to be a problem as it only really span in first & maybe on the change to second. but now it will spin in third when you plant your foot (again, its a bit greasy out there this week, especially in Herts, LOL) so still spinning on the wrong side of 70!
back to the money, James stuck to his quoted price, which impressed me no end as i was expecting loads of 'extras', so £2K +VAT all in including an oil & filter change.
now heres the bit you need to know about that £2k price tag.
you would need to already have the following...
1, FMIC (£700ish)
2, full turbo back exhaust with 3"DP & 'race' cat (£700-1000)
3, open air filter/CAI, or in my case a green panel filter with 4" intake (£50-200)
handling & brakes are up to you, but at best i would say they were 'advisable'
All i can say is get it done, & get it done ASAP
so i finish with what i should have said to start with, & thats
THANKS TO ALL AT JBS
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