08-03-2020, 08:49 AM | #1 |
Drives: 2016 2SS BLK A8 Vert Join Date: Dec 2017
Location: MA
Posts: 1,029
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Convertible rear cradle bushings
Has anyone done ZLE/Chevy Performance solid cradle bushings on their Vert yet??? Or, might know if the fitment is the same as the coupe? Thanks
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08-06-2020, 09:59 AM | #2 |
Drives: 2016 2SS BLK A8 Vert Join Date: Dec 2017
Location: MA
Posts: 1,029
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Anyone? Does anyone know if the rear sub cradle is the same?? Somebody has got to have the knowledge, or resources to confirm this on our forum, no??
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08-06-2020, 07:37 PM | #3 |
Drives: 22' Porsche PDK GT4 Join Date: Mar 2018
Location: Bay Area
Posts: 2,013
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Not sure, but probably the same. You can go to any number of GM wholesale parts websites though and see if the rear cradle part# is the same.
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Current:
22' Porsche PDK GT4 (MCS 2-way remote dampers) Previous: 18' NFG 2SS 1LE (ZL1 1LE solid rear cradle bushings & Corsa Exhaust) 16' F80 M3 (Ohlin R/T Coilovers) 13' Audi TTRS (APR Stage 1, MSS Springs) 09' C6 Z06 08' E90 M3 06' 335i (KW V2 Coilovers) 03' C5 Z06 |
08-06-2020, 09:00 PM | #4 |
Drives: 2016 2SS BLK A8 Vert Join Date: Dec 2017
Location: MA
Posts: 1,029
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Yeah. I have started comparing some video images to mine, and can see a difference in the lateral bracing at the rear of the cradle/rear bushing area. But the bushings and cradle probably are the same?? I guess I'll have to find out one way or another here on my own. Was really hoping at least one of the Drag guys that are running built Verts would have gone down this road already, or someone (GM associated) would know right off hand that they are indeed crossable, without much effort. Or for that matter, even could come forward and say although they are crossable it's a total waste of time on the convertible because.... this, that, and the other thing.
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NPP, MRC, Tinted side & rear reflectors, OEM ZL1 Rockers / 3rd Brake / Darken tail lights, OEM Blk rear splash guards, Satin hood wrap, Fuse pull, Sound tube delete, Cat delete, Ported 95 TB, Ported MSD IM, Dry RotoFab, ARH 1 7/8 headers, E85, "Performance Dyno" Tune, BMR "pieces", "Track" alignment, Hawk DCT-70/70's w/SRF, Goodridge lines, Ti shims, Red powdered calipers, 18" APEX SM-10's w/ Pirelli DH's, FE4 Vert swaybars, Brake cooling ducts, ATI 10% UD, Vorshlag camber plates, OEM 1LE Splitter w/APR Ext., Velossa BIG MOUTH Ram Air, CF QA1, ZLE brakes(F)
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08-14-2020, 08:15 AM | #5 |
Drives: 2016 2SS BLK A8 Vert Join Date: Dec 2017
Location: MA
Posts: 1,029
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Well as far as convertibles, GM does address the convertible chassis variation(s) in the GMPP Aluminum Solid Cradle Bushing instructions, states (w/pics) about removing the convertible cross bracing etc... So that's promising
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NPP, MRC, Tinted side & rear reflectors, OEM ZL1 Rockers / 3rd Brake / Darken tail lights, OEM Blk rear splash guards, Satin hood wrap, Fuse pull, Sound tube delete, Cat delete, Ported 95 TB, Ported MSD IM, Dry RotoFab, ARH 1 7/8 headers, E85, "Performance Dyno" Tune, BMR "pieces", "Track" alignment, Hawk DCT-70/70's w/SRF, Goodridge lines, Ti shims, Red powdered calipers, 18" APEX SM-10's w/ Pirelli DH's, FE4 Vert swaybars, Brake cooling ducts, ATI 10% UD, Vorshlag camber plates, OEM 1LE Splitter w/APR Ext., Velossa BIG MOUTH Ram Air, CF QA1, ZLE brakes(F)
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08-14-2020, 11:00 AM | #6 |
Drives: 2023 2SS, 2018 1SS 1LE, 1993 Z/28 Join Date: Jun 2018
Location: Midwest
Posts: 819
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Have you contacted Chevrolet Performance?
http://https://www.chevrolet.com/performance-parts |
08-14-2020, 11:31 AM | #7 | |
Drives: 2016 2SS BLK A8 Vert Join Date: Dec 2017
Location: MA
Posts: 1,029
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Quote:
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NPP, MRC, Tinted side & rear reflectors, OEM ZL1 Rockers / 3rd Brake / Darken tail lights, OEM Blk rear splash guards, Satin hood wrap, Fuse pull, Sound tube delete, Cat delete, Ported 95 TB, Ported MSD IM, Dry RotoFab, ARH 1 7/8 headers, E85, "Performance Dyno" Tune, BMR "pieces", "Track" alignment, Hawk DCT-70/70's w/SRF, Goodridge lines, Ti shims, Red powdered calipers, 18" APEX SM-10's w/ Pirelli DH's, FE4 Vert swaybars, Brake cooling ducts, ATI 10% UD, Vorshlag camber plates, OEM 1LE Splitter w/APR Ext., Velossa BIG MOUTH Ram Air, CF QA1, ZLE brakes(F)
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08-27-2020, 10:34 AM | #8 |
Drives: 2016 2SS BLK A8 Vert Join Date: Dec 2017
Location: MA
Posts: 1,029
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*CONFIRMED*... GMPP aluminum solid cradle bushings indeed fit the convertible chassis.
FWIW, I received an email this morning that GM Performance Motor.com now has like 20 kits in stock, for those looking to also make the upgrade. This not for the typical Sunday cruiser, it is a "performance part". Hope this helps someone else that duel purposes their vert. https://www.gmperformancemotor.com/P..._Code=84341929
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NPP, MRC, Tinted side & rear reflectors, OEM ZL1 Rockers / 3rd Brake / Darken tail lights, OEM Blk rear splash guards, Satin hood wrap, Fuse pull, Sound tube delete, Cat delete, Ported 95 TB, Ported MSD IM, Dry RotoFab, ARH 1 7/8 headers, E85, "Performance Dyno" Tune, BMR "pieces", "Track" alignment, Hawk DCT-70/70's w/SRF, Goodridge lines, Ti shims, Red powdered calipers, 18" APEX SM-10's w/ Pirelli DH's, FE4 Vert swaybars, Brake cooling ducts, ATI 10% UD, Vorshlag camber plates, OEM 1LE Splitter w/APR Ext., Velossa BIG MOUTH Ram Air, CF QA1, ZLE brakes(F)
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08-27-2020, 06:05 PM | #9 | |
Drives: Wild Cherry LT1 Join Date: Dec 2016
Location: Massachusetts
Posts: 1,924
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Quote:
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08-27-2020, 07:08 PM | #10 |
Drives: 2016 2SS BLK A8 Vert Join Date: Dec 2017
Location: MA
Posts: 1,029
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Honestly, the only drive so far after the install was a few miles up the road to get some other work done. Install was not the most fun I had working on the car, but looking back I'd most likely tackle it again if the next Camaro isn't a ZLE. I do think I felt it being tighter and "planted" on the (2) on/off ramps but I don't know if that was placebo? And, I was going easy on the first drive to make sure it was GTG. I am hoping to get it back soon to drive it a bit more and see more of its road manners. But the real test, to get the full effect, is coming up at the Glen in about two weeks. Lyk!
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NPP, MRC, Tinted side & rear reflectors, OEM ZL1 Rockers / 3rd Brake / Darken tail lights, OEM Blk rear splash guards, Satin hood wrap, Fuse pull, Sound tube delete, Cat delete, Ported 95 TB, Ported MSD IM, Dry RotoFab, ARH 1 7/8 headers, E85, "Performance Dyno" Tune, BMR "pieces", "Track" alignment, Hawk DCT-70/70's w/SRF, Goodridge lines, Ti shims, Red powdered calipers, 18" APEX SM-10's w/ Pirelli DH's, FE4 Vert swaybars, Brake cooling ducts, ATI 10% UD, Vorshlag camber plates, OEM 1LE Splitter w/APR Ext., Velossa BIG MOUTH Ram Air, CF QA1, ZLE brakes(F)
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08-27-2020, 09:57 PM | #11 | |
Drives: Wild Cherry LT1 Join Date: Dec 2016
Location: Massachusetts
Posts: 1,924
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Quote:
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09-17-2020, 10:35 PM | #12 |
Drives: 2016 2SS BLK A8 Vert Join Date: Dec 2017
Location: MA
Posts: 1,029
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To follow up on the thoughts and how it all worked out... The first session on track I felt the car was much quicker to respond to "steering" inputs, or "transitions" on track, and called for smoother inputs. It was kinda awkward at first, but quickly became predictable and precise, and I became one with the car in short time. I didn't know I was missing anything before doing install, but it became very clear I was. The car is tighter and more compliant to all inputs. Now to be further transparent, I also changed more than the solid cradle bushings before my track event. I added more rear neg camber now being able to dial in the toe with BMR adjustable toe rods, and got a great deal on BMR (non-adjustable) upper/lower trailing arms, and upper control arms. Not excited about the nearly 8lbs of added weight from the BMR components. But overall, I'm definitely happy with the solid feel, and relate it mostly to the GMPP solid cradle bushings.
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NPP, MRC, Tinted side & rear reflectors, OEM ZL1 Rockers / 3rd Brake / Darken tail lights, OEM Blk rear splash guards, Satin hood wrap, Fuse pull, Sound tube delete, Cat delete, Ported 95 TB, Ported MSD IM, Dry RotoFab, ARH 1 7/8 headers, E85, "Performance Dyno" Tune, BMR "pieces", "Track" alignment, Hawk DCT-70/70's w/SRF, Goodridge lines, Ti shims, Red powdered calipers, 18" APEX SM-10's w/ Pirelli DH's, FE4 Vert swaybars, Brake cooling ducts, ATI 10% UD, Vorshlag camber plates, OEM 1LE Splitter w/APR Ext., Velossa BIG MOUTH Ram Air, CF QA1, ZLE brakes(F)
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09-18-2020, 11:42 AM | #13 | |
Drives: Wild Cherry LT1 Join Date: Dec 2016
Location: Massachusetts
Posts: 1,924
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Quote:
Excellent news, can you tell any difference on the street? Or just pushing hard at the track? |
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09-18-2020, 12:59 PM | #14 |
Drives: 2016 2SS BLK A8 Vert Join Date: Dec 2017
Location: MA
Posts: 1,029
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Yes Sir, it is noticeably more "crisp" in response to steering on the street and feels more "solid". Car and suspension, and tires, all dancing in unison from 0-150+mph.
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NPP, MRC, Tinted side & rear reflectors, OEM ZL1 Rockers / 3rd Brake / Darken tail lights, OEM Blk rear splash guards, Satin hood wrap, Fuse pull, Sound tube delete, Cat delete, Ported 95 TB, Ported MSD IM, Dry RotoFab, ARH 1 7/8 headers, E85, "Performance Dyno" Tune, BMR "pieces", "Track" alignment, Hawk DCT-70/70's w/SRF, Goodridge lines, Ti shims, Red powdered calipers, 18" APEX SM-10's w/ Pirelli DH's, FE4 Vert swaybars, Brake cooling ducts, ATI 10% UD, Vorshlag camber plates, OEM 1LE Splitter w/APR Ext., Velossa BIG MOUTH Ram Air, CF QA1, ZLE brakes(F)
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