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#15 | |
![]() Drives: 2019 ZL1 Join Date: Oct 2019
Location: GA
Posts: 573
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Quote:
Regarding the wheels and tires, knowledge is power. She is on stock tune with a specific race gas blend and does 60-100 in 3.2 seconds from a 3rd gear roll (Dragy confirmed 3.18 seconds) give or take without headers, tune, etc, full warranty safe no MMT fuel additives or methanol or stuff just wheels and tires and an axle back and fuel (would be faster in 50 or less temps but traction limited). Used the GT350R for a benchmark for potential gains based on inertial resistance reductions for wheel and tire diameter and weight and measured gains before/after with Dragy. Worked out 1:1 for comparative changes/gains and expectations and then some as predicted, a beautiful thing. Hit me up if you wanna discuss. Basically, drop the tire size and wheel diameter too, reduce weight, maintain grip, fly. ![]() Put it this way, bone stock dyno was 557whp and 574wtq SAE in 7th gear, 71 degree temps. She put down 614whp and 636wtq SAE in 7th in the same conditions after the mods. The crimp/etc tested by Mishimoto was on an SS and the suitcase muffler is 2.1" on the inlets inside. Small gains but room for growth when you cut out the crimps and do deletes on a ZL1 at 2.75" plus for pipe size (i'm running 3"). I am sure I will get flamed, but dynos and ET/mph dont lie. She ran 10.8 @ 132.8mph, 1.89 sec 60 ft in the 1/4 in 68 degree temps at the Commerce drag strip before the COVID bs started with this setup except the tire change I did. Max I've seen bone stock except 100 octane is 590 whp (Dynojet) on an A10 SAE in 7th and I'm 21whp above that with the axleback (on OEM tires/wheels before changing on a Dynojet SAE) and with the snow ingestion cover removed and the lighter wheels/tires. Considering some Carbon Ceramic brakes, worth a few tenths if you do front/rear but extremely pricey, not much value for the cost. Sharing is caring, here is the inertial resistance (and gain calculation for acceleration) that I used which was Dragy proven accurate. Proportion shown of the 60-100mph reduction is from wheels and tires, the rest is the MS109 and 93 blend I am running. Net octane is 99.1, stoichiometric average is 13.8 overall, mildly leaner than stock 14.1. Runs like a bat out of hell. Last edited by FoundNemo; 05-15-2020 at 06:17 PM. |
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#16 | |
![]() Drives: 2019 ZL1 Join Date: Oct 2019
Location: GA
Posts: 573
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Shipping aint the cheapest but if you wanna remove your OEM spoiler or mirrors, I can get mirrors painted or spoiler as mine was done for 300 per each (mirror pair, or spoiler). Local shop does crazy good work. Shipping extra. Last edited by FoundNemo; 05-15-2020 at 06:10 PM. |
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#17 | |
![]() Drives: 2019 ZL1 Join Date: Oct 2019
Location: GA
Posts: 573
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#18 |
![]() Drives: 2018 ZL1 Garnet Red Tintcoat A10 Join Date: Jan 2019
Location: NY
Posts: 537
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I am dropping my car off next week for some paint work on the spoiler and mirrors!! Giddy up. Gonna look sweet!!
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#19 |
![]() ![]() ![]() ![]() Drives: 2019 ZL-1, Shadow Gray, Sold Join Date: Jan 2019
Location: Fredericksburg, VA
Posts: 1,390
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Looks good with the black accent pieces.
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#20 |
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Looks clean, great job.
Haven’t noticed the rattles you’re talking about yet, but I’ll be following your lead with the foam wedge this weekend. Cheers!
__________________
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