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02-16-2024, 04:54 PM | #1 |
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Koni Yellow w/Stock vs 2017+ Suspension
I recently acquired a 2014 BRZ and would like to upgrade the struts as they are a little tired with 189k miles.
Anyone have experience with Koni Yellows and 2017 Stock BRZ suspension? What are pros and cons to either? |
02-16-2024, 06:43 PM | #2 |
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No experience with Koni's on this platform but I put 2017 PP Sachs(yellow label) + TRD springs on my 2014 BRZ about 500 miles ago. Let me know if you have any specific questions.
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02-16-2024, 09:32 PM | #3 |
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How did the car feel in terms of comfort and balance?
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02-17-2024, 11:12 AM | #4 |
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I ran Koni Yellows, TRD springs, and a 17+ rear sway bar and for considerable DD mileage and lapping. Ride was totally acceptable and handling was much improved over stock. Ride height looks great too!
Eventually sold off that gear and moved to my current sweet Ohlin/Hotchkis set-up. In both cases having adjustable damping is the key to frequent street and track smiles.
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Edelbrock S/C with CSG 94 & 91 maps
TRD Short Shifter, CTS/EvoX Brakes Ohlin’s R&T Dampers, Hotchkis F/R Bars, Blox LCA & Toe Arms 235F/245R Conti ECS on TRD/Enkei wheels (street), 245/40 sq. ECF on 17x8 720Form GTF2 wheels (track) |
02-17-2024, 06:54 PM | #5 |
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Comfort is surprisingly very good. Full set up listed below. I guess I shouldn't be surprised since the set up is essentially using OEM shocks and springs. For reference I very much prefer a compliant ride vs a stiff one + softer springs rates with matched valving.
After reading up on the PP Sachs and TRD springs a lot of users reported the ride was stiff and bounced off irregularities on the pavement. I can say for certain this has not been my experience. In fact, while this combo is marginally stiffer than the OEM 2014 set up it is simultaneously more compliant in its valving paired with the TRD springs. The Sachs and TRD spring combo is a major OEM winner in my book. For additional reference, it easily passed the wife test. She said it rides better than the original stuff with its 94k miles. I can comment more on the balance once I hit the track in April as I don't push my cars on the street. But road balance so far as been as flat if not flatter then the original suspension. Set up : - 2017 PP Sachs(yellow label) with 40k - TRD Springs - Pedders Strut mounts - SPC 81305 Lower Camber bolts - Lower OEM bolts in the upper position - Apex ARC8 17x9 +35 - Falken RT615k+ 225/45 Alignment : -2.8 Front camber 0 Front toe FR 5.9 Caster FL 6.7 Caster -2 rear camber .03 toe-in/each side |
02-17-2024, 07:12 PM | #6 |
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Thanks for the feedback. I'm keen on keeping it daily-able so it sounds like PP struts would be a contender.
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02-17-2024, 11:38 PM | #7 |
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2017 PP owner here. Autocross a ton and Koni Yellows are a staple for sticking within the street class rules. I opted to keep my Sachs dampers for the last 4 years. One of the reasons I bought the PP was because the dampers were already installed and better than the base stock ones (along with the Brembos). Can't say I really love them. They're not bad, but not great either. People complain they're a bit "crashy" or harsh over certain road surfaces, but I didn't think they were that bad. Just not super ideal for autocross.
My honest opinion are the springs aren't rated high enough for the PP Sachs. Bumping them up would have paired them better. There's almost too much strut-action going on for the low stock spring rate. They'd ride better with 20% stiffer springs. Between Koni Yellows and them, I'd pick the Koni's hands down. Remember that you have adjustment knobs with the Konis. Valving on the Konis are likely going to better overall and that adjustment allows you to match whatever springs you go with. The PP Sachs would be good for anyone who's on a budget and can snag them for as low as $200 I sometimes see.
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02-18-2024, 07:39 AM | #8 | |
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02-18-2024, 10:42 AM | #9 |
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02-18-2024, 10:56 AM | #10 | |
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The Following User Says Thank You to tuna For This Useful Post: | x808drifter (02-18-2024) |
02-19-2024, 11:07 AM | #11 | |
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I picked mine up for $250. |
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02-19-2024, 12:55 PM | #12 | |
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Spec-wise, these are 250lb even front and rear. Give or take about 20-25% over stock. TRD springs are probably closer to Eibach rates, from what I can gather. Still an increase over stock.
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02-19-2024, 01:18 PM | #13 | |
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02-27-2024, 12:59 PM | #14 |
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Where can I get RCE Yellows now that they're sold out
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