APR Golf R Audi S3 Coil Packs Dyno Tested

We dyno test the claimed power increase from switching to APR coil packs and get a bump in power and torque. These are for the EA888 engine found in our Audi S3 8V, MK7 Golf R and Gti plus others from From the VAG brands. Our car is tested with the RacingLine stage 1 tune, a modified airbox (check out our video on it), CTS inlet elbow and a cat back exhaust. The existing coil packs are the latest version and have covered approximately 35,000km so not too old and are spark plugs are new. Worth doing? Yes, especially if your coil packs are getting old.
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The Eddy’s Garage is just a home garage maintaining and modifying our cars and some friends cars.
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Audi S3 8V Sportback • Audi S3 8V
Porsche Boxster S 986 • Porsche Boxster S 986
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Disclaimers
We will take no responsibility for any errors in our videos causing damage to person or property. These videos are for entertainment purposes only and you should always seek professional advice before doing any work on your car.
This video description may contains links to different companies. Some are just the parts used and some that have helped us out with discounts.
I have been working on my own cars for many years but I am a self taught Do It Yourself, shade tree mechanic. I am NOT a professional mechanic. I do not have any formal automotive training.
The Eddy’s Garage assumes no liability for anything you choose to do to your car, before, or after watching one of our videos or utilising products or the content from this channel.
All DIY repairs or modifications have a level of inherent risk to person and property (your car). Anything you do to your car are done so at your own risk.

[@camwhitman5425]

Awesome. Thank you for incurring the cost of dynoing your car for our benefit. This is the first video I’ve seen comparing coil pack upgrade on dyno. Much appreciated!

[@TheEddysGarage]

Cheers mate. I live to give

[@One_Guy]

thanks for doing this and posting the video. the info is greatly appreciated.

[@jeffrock21]

nice vid. thanks! 25K Miles on my APR tuned 2017 VW GLI. Going to get these from ecs tuning. They have service kits that include Brisk Silver Racing spark plugs as well. I guess I might as well get those thrown it too... looking forward to it...

[@radikalwraps]

Can’t wait to see Stage 2 and downpipe bro 🤙

[@Beardchanics]

Man thanks for video, been wondering about those. Not a bad gain considering the investment.

[@ashykings]

Good video, thank you very much. Adding these to my stage 3 467bhp car this weekend. Be surprised to see gains but will be very happy if I do!

[@grahamwhitehead9498]

Should see more gains on a stage 3

[@TommieLjungberg]

did you install these yet? notice a difference or maybe even dynoed the car? :) have a 450+ hp cupra but i want to get the little bit more haha :)

[@ashykings]

@@TommieLjungberg yes and no. I had to change mine as they started to misfire right after I got the tune. So to say they gave more power i could not say? Car feels strong that's what I can say with some numbers for you... 0-60mph 3.48 and 100-200km/h 8.19 both done on dragy

[@TommieLjungberg]

@@ashykings thats a great time :) golf R or what platform?

[@ashykings]

@@TommieLjungberg mk7 golf r dsg 2 door

[@mohammedkhan-io7po]

Yh I’ve got a b9 a4 planning tune stage 1 so shall I get apr ignition coils as opposed to normal bosch for example

[@mhaas281]

13 HP gain. Not bad.

[@eugene5309]

Great video man, please keep it up! You should have more subs and like for your video. I think only thing to improve is the mic, just a bit difficult to follow in the video

[@TheEddysGarage]

Eugene Lau cheers mate. I try to make it simple to keep editing quick and easy. Might get a new camera soon

[@Reptil33]

Awsome video, thank you for sharing. . I like the effort, details and results you put in your videos. I've followed a similar path with my Mk7r. By the way, here's something not a lot of owners talk about. Going from stock to stg1 (ic, tbe, air filter mod etc) my oil temps actually rose to about 110-111c on a 30+c day with moderate to aggressive driving. I drove like this for about 10 months. Couldn't figure out why my oil temps were high. Changed plugs, oil, tried to vent air out of the hood etc.. here's when they went down.. stg2 downpipe + stg2 software. Holy shit. Same driving habits, now I see 102-105c oil temps. Car feels amazing. My assumption is the stock dp is pretty restrictive with stg1 software and generates a lot of heat that we can't dissipate affecting oil temps. Not anymore!

[@TheEddysGarage]

Reptil3 my temps dropped massively with my RacingLine stage 1 tune. For example my morning drive to the workshop was at the usual 110° and at midday driving home it was 91°. I mentioned it to the guys and they said the newest version of the tune had worked with the electronic thermostat. Even at my last track day it didn’t go over 115° where it used to hit 130°!

[@Reptil33]

@@TheEddysGarage wow! Well that is interesting! I wonder what kind of parameters they program to keep the oil temps down, definitely seems doable since we've both seen positives.

[@TheEddysGarage]

Reptil3 I’m getting the RacingLine stage 2 tune on Tuesday so I’ll see what that changes

[@soppingclam]

@@TheEddysGarage How did you go with the Stage 2?

[@TheEddysGarage]

@@soppingclam it was great,

[@modelaircraft6576]

Nice I got vw Passat and I have the same engine as yours. Im definitely upgrade my coil packs after seeing your video, thanks for sharing

[@TheEddysGarage]

Unless it’s tuned you will probably be just as good with new stock coil packs and spark plugs.

[@eugene5309]

It would also be great if you can test out those forged wheels oem from audi and alloys one, would there be any different..

[@TheEddysGarage]

Eugene Lau it would be but only so much $$ 🤑

[@ericmichel3857]

What plugs are you running? Recently switched to these, NGK Ruthenium HX LFER7BHX 95125 and highly recommend.

[@TheEddysGarage]

Currently using Denso IKH24

[@naotapuro2998]

Hello guy, was it possible to increase the gap of the candle? 0.8 do you think it's possible?

[@TheEddysGarage]

Not sure about a candle 🕯

[@vr6trooper]

Would it be good to do the same swap out if I’m stock with no tune? I’m at 60K and I’m just wondering if it’s smart to do. I’m also not having any misfiring issues at all. Just looking for my car to run at the best of abilities I guess

[@TheEddysGarage]

Just leave them. Get it tuned.

[@Neptune8]

Interesting, I always thought the “upgraded” coil packs were just for show , I always upgraded to them in every car that I’ve owned if it were an option but I didn’t think they ACTUALLY equated to any power gain

[@HowieLop]

Any datalog to see if replacing coils causes the system to advance or retard spark or maybe another reaction? as said, the ECU needs to relearn and maybe this modification causes any response from the ECU until PIDS stabilizes. Regards.

[@TheEddysGarage]

We didn’t but the guys at 999 who own the dyno have on their cars

[@antonyv8171]

Ur in Australia’s too?! Awesome man. How much did u pay for the APR coil packs if u don’t mind me asking, I’m in Sydney running APR stage 2 on my 16’ MK7 R, currently at approx 60,000km. Would you recommend the upgrade for 10hp? You should run NGK R7437-9 spark plugs, best plugs ever.

[@TheEddysGarage]

Antony V you are probably due for new coil packs anyway and with a stage 2 car most guys get RS3 packs or these. Give your local APR guys a call for a price. I’m sure they can do a discount because of the other ARR stuff you have.

[@rileyhance318]

I just bought both the coils and thos ngr plugs. Did the plugs come pregapped? I got mine from usp

[@Knowledgelist]

A bunch of little things = big power

[@stoeptegel50]

Thank you for this video! Are the APR Coils still working fine?

[@TheEddysGarage]

I sold the car but too a friend and yes they are still going strong 💪

[@DanielRichards644]

for what it's worth at one point in time about a decade ago I bought a 2003 Trailblazer with 206k miles on it, for tens of thousands of miles no matter what I did I could never muster more then 16.5 MPG highway, then one day I got a random misfire that went away after shutting the truck off for a few minutes, during those minutes I ordered a set of dirt cheap coil packs on Amazon (because these trucks are known to have random coil failures leaving you stranded), put them in when they arrived a few days later and I could feel the performance difference, this 5,000 pound beast had more pull then I ever remember it having and there is a straight away (55 MPH Speed Limit) where I know quite well what my RPM's are like and it was cruising at 200 RPM lower then normal to maintain the 55 MPH, I was then so impressed I wanted to see how it did in highway mileage, so I took that truck on vacation (the next day) and I averaged 21 MPG on that trip refilling for the last time at the same pump (not just same station, but same pump, because different pumps click off at different points) that the fill up before leaving was done at. It's so refreshing to see someone that actually understands coil packs are a wear item not just something that works or doesn't work.

[@SupernovaCNS]

Is a tune mandatory once you've installed those APR coil packs or could you run the car normally with just installing them?

[@TheEddysGarage]

My car was already tuned before the install but you could put them on a stock car. A custom tune will always get the best results for your car

[@SupernovaCNS]

@@TheEddysGarage And I won't get any fault codes come up?

[@TheEddysGarage]

@@SupernovaCNS no different to replacing with VW/Audi coils. Replacing your spark plugs at the same time is a good idea while you are in there. Remember to disconnect the battery when doing anything electrical.

[@SSIILLIE]

Will they only add power with a tune or does this work with stock ecu

[@TheEddysGarage]

If your coil packs are old then replacing them and your spark plugs with a new set of stock ones will help get back some lost power

[@jazzypurewal4839]

Nice gains just with Coils but what’s the price tag on APR COILS ? Cheers

[@TheEddysGarage]

Depends on your county. Im sure your local APR dealer could give you a price for the parts and for fitting. They are super easy to do yourself too.

[@gtboss281]

180$ shipped in usa

[@Knowledgelist]

sweet I expected a few HP but 10 is sweet....

[@tomforde6558]

I’m going stage APR 1 in my 2017 S3 tomorrow. Any advise for bolt ons and suspension performance upgrades after tuning?

[@TheEddysGarage]

Tom Forde 1st get good tires so you can stick to the road. 2nd brakes, get pads, high temp fluid, rotors if needed and RS3 brake ducts. 3rd front and rear swaybars (rear only at the very least) and a good alignment. That will make a great handling sports car with plenty of go and woah. The DIY intake mod with a high flow filter and eBay inlet elbow (with silicone pipe) will help a bit too and is very cheap to do. Beyond that it depends what you want to do with the car. I have videos on all of this stuff and more.

[@tomforde6558]

The Eddy’s Garage The Eddy’s Garage yeah I know you have great videos which is why I’m asking ya haha. I was planning on front/rear sway bars - rear first. As for brake upgrades I am going to upgrade the (tiny) breaks on my car fully over the winter/fall when I get a second set of wheels and all weather tires. I’m running on continental contisport 235/35 tires (all new under 5k miles on them) right now with the stock 19x8.5’s. The car came from factory with a resonator delete already and I’ve turned the soundaktor off completely. I meant suspension & perfomance in my comment, not solely suspension but I see how that came off now

[@QTTR0JET]

Get you turbo inlet/turbo muffler delete with the intake.

[@tomforde6558]

Quattroboost don’t know if I necessarily need that. ECS flush kit next and TTRS brakes next

[@strikeeaglemodels1588]

How old is your car if you don’t mind me asking ?

[@TheEddysGarage]

car had about 80,000km at the time of the video

[@ucceli6652]

can i use these coils on my stock s3?

[@TheEddysGarage]

Yes

[@cardinalroma7495]

What spark plugs are you using ?

[@TheEddysGarage]

The Spark plugs are in my other install video ⚡️

[@MegaHollywood1971]

That is good info. If you chose a tune that provided for some customization, you may see an addt'l 5%-7% increase of overall power that you are seeing now at the same boost level. However, if you had an upgraded IC you would get that w/o the need for coils.... It is nice to get gains, but an addt'l

[@TJ-jm5yc]

Would it make a difference to a stock mk5 gti?

[@TheEddysGarage]

If your current coil packs are old then just replacing them with new stock packs would probably make the same difference. You should do your plugs too if they haven’t been done recently. Just get a tune and be done with it. A good tune will transform your car

[@TJ-jm5yc]

@@TheEddysGarage Thanks mate, but the clutch on the mk5 need replacing as well because it does not handle the extra torque well. Any replacement is at a significant cost.

[@TJ-jm5yc]

Spending the money on a clutch and tune would probably be best upgrading to a mk7

[@bava325]

Great video but man the wind noise was so annoying in the beginning.

[@TheEddysGarage]

Dyno life 🤣

[@rubenTR309]

omg have you got the window open?

[@TheEddysGarage]

Yes. Yes I do 🤣

[@CurvedSlightly]

Your old ones were proly just worn and needed replacing, bruh.

[@TheEddysGarage]

35,000km (21,000miles) isn’t very warn but the numbers are the numbers and I got gains. bruh 😎

[@Nyfloridaboi]

What were the spark plugs gapped to?

[@TheEddysGarage]

Shelton DeLouch I gapped the plugs to 0.6mm

[@seanmcd72]

@@TheEddysGarage did you change plugs between dyno runs? Or did you ONLY change the coilpacks?

[@TheEddysGarage]

@@seanmcd72 I mention in the video that I had replaced the spark plugs just a few days before we did this test so this tests only the coil packs

[@The1Karking]

Thanks. Road noise was awful.

[@LISHUANGPOWERFUL]

ea888 3代发动机

[@petemitchell6788]

3hp 🎉

[@cammgt3rs370]

Hope you get more than 2 months out of them .

[@marcoa2123]

2 months only? Really?

[@fezzlol]

Audio is horrible.

[@TheEddysGarage]

The aircon was blowing on my phone unfortunately and Dyno rooms are horrible loud places and the phone mic didn’t like it one bit