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Author Topic: ED30 and Audi S3  (Read 12856 times)

Offline Jussa

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Re: ED30 and Audi S3
« Reply #30 on: October 03, 2011, 10:28:55 pm »
Hey Micky, thanks for the info, just PM'd u  :happy2:

I would have bought Rizla's car today, but I don't think he has xenons?  :sad1:
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Offline Janner_Sy

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Re: ED30 and Audi S3
« Reply #31 on: October 04, 2011, 11:46:31 am »

DanGb big turbo'd his Tfsi Sport Leon (200hp / Gti engine) and had no issues.  He did end up getting fancy pistons though for safety.

DanGB bent one of his piston rods before uprating them iirc. Pics in his build thread.

At jussa: theres been a couple occasions were guys with this 370hp have turned up at RR days on here but left with many missing horses and only making what the ed30 guys make.  Its purely dyno lottery. For instance the highest stage 2+ TFSI KO4 JKM have run was circa 335hp iirc that includes S3s, ed30s, cupras etc.

Also the kO4 converted cars get around the same hp as the ed30 on their rollers as well

Offline Tfsi_Mike

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Re: ED30 and Audi S3
« Reply #32 on: October 04, 2011, 11:59:30 am »

Will edit my post, don't remember reading that just remember it going to jabba for rods / pistons.

Offline 56OctyVRS

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Re: ED30 and Audi S3
« Reply #33 on: October 04, 2011, 12:23:36 pm »
I wouldnt be too focused on what engine has what and how much BHP the car is making. Its all about how it is applied as some engine have big hp which is peaky and others have power across the rev range which will be in the real world quicker.  Look at the Renault Megane 250 cup and Focus RS mk2.  The RS has the Megane outgunned power wise with about another 40bhp yet the Megane is quicker. Going to a bigger turbo doesnt always mean it will be quicker.  Usually bigger turbos are fine for the strip but get them on a nice twisty road with sharp bends and you will be struggling to use the extra power, as you wont be in the right rev band for the turbo to spool properly. Just look back at the old Escort Cosworth which changed to a smaller turbo to increase driveability on the road.  As JannerSy has said before, its all pub talk BHP figures.  But good luck in whatever you decide to do :happy2:
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Offline Top Cat

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Re: ED30 and Audi S3
« Reply #34 on: October 04, 2011, 01:01:01 pm »
I wouldnt be too focused on what engine has what and how much BHP the car is making. Its all about how it is applied as some engine have big hp which is peaky and others have power across the rev range which will be in the real world quicker.  Look at the Renault Megane 250 cup and Focus RS mk2.  The RS has the Megane outgunned power wise with about another 40bhp yet the Megane is quicker. Going to a bigger turbo doesnt always mean it will be quicker.  Usually bigger turbos are fine for the strip but get them on a nice twisty road with sharp bends and you will be struggling to use the extra power, as you wont be in the right rev band for the turbo to spool properly. Just look back at the old Escort Cosworth which changed to a smaller turbo to increase driveability on the road.  As JannerSy has said before, its all pub talk BHP figures.  But good luck in whatever you decide to do :happy2:

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Offline berg

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Re: ED30 and Audi S3
« Reply #35 on: October 04, 2011, 04:03:43 pm »
i have been stage 2+ now for months - and have not had a RR session! Whats the point?

If it comes out at 370bhp it does not mean it really is and if it comes out at 335bhp maybe it is really 350bhp?

Even if it is 350-370 bhp will it be quicker than RS3? Of course not.

Do the mods you want to get the car to drive differently and how you want it - what i can say is that 2+ with a diff is quicker than a Stage 1 and that was quick.
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Offline gobbleplease

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Re: ED30 and Audi S3
« Reply #36 on: October 04, 2011, 04:27:12 pm »
There has been loads of threads on here mate with stage 3 k04 cars not quite making the same power as edition 30s / s3s / cupras with stage 2 + and a few tuners suggested that to me aswell thats one of the reasons why i chose not to go stage 3 and sell my GTI, maybe your car just produces a bit more, and brings it in line.
then again it could be due to different RRs
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Offline Jussa

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Re: ED30 and Audi S3
« Reply #37 on: October 04, 2011, 05:26:58 pm »
Good point mate, that's why I'll probably sell up now and buy an ED30  :happy2:
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Offline Hurdy

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Re: ED30 and Audi S3
« Reply #38 on: October 04, 2011, 05:44:57 pm »
There will be a certain degree of overengineering in the gti engine to and despite there being a fair few ko4 conversions now ive not heard of any problems with the ko3 block or internals yet, although ive no doubt the edition 30 is going to cope with the extra stresses better.

Compression ratio's are different. The ED30 has a 9.8:1 CR and the GTI has a 10.25:1 CR.

This means that even with a K04 turbo on a GTI you will struggle to get the same power.  :happy2:
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Offline gazon69

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Re: ED30 and Audi S3
« Reply #39 on: October 04, 2011, 06:30:35 pm »
Berg, what makes you think an ed30 stage2+ wont be any quicker than a standard rs3. My brother in-law is stage 2+ and he went and test drove a rs3 which he was less than impressed with, he reckoned his ed30 would eat one alive.

Offline Tfsi_Mike

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Re: ED30 and Audi S3
« Reply #40 on: October 04, 2011, 06:34:15 pm »

 :popcornsoda:

Offline QD MBE

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Re: ED30 and Audi S3
« Reply #41 on: October 04, 2011, 06:43:36 pm »
Budge over Mike, Don't mind if I do..............

 :popcornsoda:

Offline micky 32

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Re: ED30 and Audi S3
« Reply #42 on: October 04, 2011, 06:46:45 pm »
There will be a certain degree of overengineering in the gti engine to and despite there being a fair few ko4 conversions now ive not heard of any problems with the ko3 block or internals yet, although ive no doubt the edition 30 is going to cope with the extra stresses better.

Compression ratio's are different. The ED30 has a 9.8:1 CR and the GTI has a 10.25:1 CR.

This means that even with a K04 turbo on a GTI you will struggle to get the same power.  :happy2:

Yes true, if you like the dyno lottery.  :P. The hard evidence is there, on the same RR (JKM as example) the normal GTI engine vs the ED 30 engine with a KO4 gives the same average bhp.


Higher compression isn't a bad thing, in fact the engine will be more efficient because when the boost tails off the higher compression engine holds on longer. I have yet to see a ED30 on JKM's RR still make 320bhp at 7500rpm like my "GTI" engine.
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Offline Tfsi_Mike

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Re: ED30 and Audi S3
« Reply #43 on: October 04, 2011, 06:48:55 pm »
Budge over Mike, Don't mind if I do..............

 :popcornsoda:


**shuffles over & opens chocolate fingers  :signLOL:

Offline robdf2

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Re: ED30 and Audi S3
« Reply #44 on: October 04, 2011, 07:14:14 pm »
Berg, what makes you think an ed30 stage2+ wont be any quicker than a standard rs3. My brother in-law is stage 2+ and he went and test drove a rs3 which he was less than impressed with, he reckoned his ed30 would eat one alive.

but that is probably due to the mapping?
a stage 2+ car will feel like it has urgency from the lightest press of the loud pedal , where as i would have thought a standard RS3 would have a more civilised map and meaning you would have to press the loud pedal harder to get the same amount of oommmpphhhh imho.
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