05-17-2022, 11:35 AM | #1 |
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What's up everyone!
My name is Mike with 4N Motorsport. If you haven't already, be sure to follow our IG @4n_Motorsport. I am in the process of building a M4 GT4 replica from my 2015 M4. The car was fully gutted, and we are welding in a permanent SCCA spec roll cage. I am working with Bimmerworld and running the GTmore MCS suspension setup. This relocates the front spindles, and changes the suspension geometry just like the GT4 race car. The benefit is being able to run 11in wheels and 315s on all 4 corners. This car will be tuned with our single turbo kit to around 700whp for the track. I am running a twin scroll EFR8474 for maximum transient response time. I am shooting to have this car ready for an open test day at Infineon Raceway/ Sonoma on the 25th. I will do my best to update on here when I have a second. Here is the build sheet of parts going on this car. MCS Reservoir Damper Set 3 way MCS Damper Hardware Kit, [IMG][/IMG]Front Camber/Caster Plates, Eye Mount GTmore Hypercoil : 2.25, 5", 1000 LB Spring Hypercoil : 2.25, 6", 900 LB Spring 2.25" Hyperco Helper Spring Set Rear Clevis Mount Set - 11-12.5" Strut Mounted Swaybar End Links SPL PRO Rear End Links - SPL RE F8X MCS Canister Bracket Kit SPL Front Tension/Trailing/Caster Arms SPL Front Lower Control Arms SPL Front Tie Rod Ends Steering Rack Limiter Kit GT4 32mm Wheel Spacer Wheel Bolt, 81mm - F82 M4 GT4 Rear Wheel Stud, BMW GT4 Quick-Change Coated Race Lug Nut M12x1.5 - 17mm APEX EC-7 18x11 wheels X4 Sparco pro adv seat 4N Motorsport 8474EFR single turbo kit 4N Motorsport front mount intake kit 4N Motorsport 4in titanium custom exhaust Custom weld in SCCA spec full cage 4N Motorsport built motor CP rods, powerpak pistons, ACl bearings, ported head Tuned by wedge via MHD SSP clutch packs APR GTC300 wing Hoosier R7 315/30/18s x4 AP Motorsport GT4 front splitter BMW GT4 dry carbon canards Sparta Evolution big brake kit 4N Custom brake cooling ducts |
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05-17-2022, 11:37 AM | #2 |
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This is really cool! We are also building two GTMores with BimmerWorld!!
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05-17-2022, 01:55 PM | #3 |
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Nice Build! GL on the Sonoma & give us an update!
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05-18-2022, 12:11 AM | #4 |
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Followed!
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05-18-2022, 08:53 AM | #5 |
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I've been drooling over your turbo kits and now this lol.
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M4CS Frozen Blue
ARM DP's/Resonated Mid-pipe | SPL links | Hotchkis bars | JRZ RS2/camber plates | K&N | Koyorad HX | Powerflex purple | Rouge | Spiegler | Speed Eng. snorkel | Vargas CBC/hub | Wagner IC | xHP | Xpel stealth ppf |
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05-18-2022, 11:12 AM | #6 |
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Awesome.
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05-28-2022, 09:57 AM | #7 |
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Nice build, i would to hear the feedback on how the single turbo feels on the track.
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F80 M3-DCT MaxPSI CH, BM3 with F80 Paul E85 and Custom Rom track tune MCS 2Way Remotes
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05-28-2022, 07:06 PM | #8 |
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Can't wait to hear what the car sounds like with a 4" Titanium Exhaust, awesome work 4N.
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'18 F22 240i xDrive - FBO '16 F82 M4 ZCP - FBO previous '08 E90 335i Montego Blue |
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05-28-2022, 07:17 PM | #9 | |
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Quote:
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'18 F22 240i xDrive - FBO '16 F82 M4 ZCP - FBO previous '08 E90 335i Montego Blue |
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06-18-2022, 12:09 PM | #10 |
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I got an update for you guys!
This project turned out absolutely perfect. From start to finish it took me a little over 1 month 1/2. I was exhausted after getting it to laguna seca for testing. Once I did my first shakedown run the car ran flawlessly all day 5 sessions 20min each just checked tire pressure and changed an oil filter mid day. Huge shout out to all the vendors involved getting me the parts for this project and tuning. @bimmerworld @splparts @motiv_motorsport @steven_wedgeperformance @aprperformance @ap.motorsport @fullracemotorsports @motioncontrolsuspension @apexraceparts @ticonindustries @turnermotorsport @wedgeperformance @sparco_official @hoosiertire I was able to run consistent mid 1.38 lap times coming within 7/10s of a second for the fastest time ever set in an F8x chassis at laguna seca. I was forced to let off between T5 and T6 to pass the 90db sound restriction. I was also letting off in T1 had some issues all day with the rear of the car. It didn't feel very planted at around 135mph. This was my first time out with the car and ever tracking an F8x chassis while having issues with corner exit traction and later found out my rear toe was 1/16 out instead of 1/8 in. I ended up destroying the rear tires. They were done at the end of the day. I am going back to laguna again next month and focusing on chassis tuning. Also gonna add in some more wing angle after I reinforce the trunk as well. The motor I built with the new 4N GT EFR turbo kit was running all day perfectly! EFR spool up is amazing feels like an N/A car at 3,500rpms and pulls all the way to 7,500! |
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06-19-2022, 04:47 PM | #11 |
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This car looks really menacing and actually like a BMW. Thumbs up.
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