10-26-2020, 12:25 PM | #85 |
Drives: 2017 Camaro 1SS Join Date: Aug 2016
Location: NH
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10-26-2020, 02:58 PM | #86 |
Drives: none Join Date: Jan 2019
Location: Northern VA
Posts: 119
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yes and it's not particularly accurate. You need a 5hz GPS or better, 10hz.
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10-26-2020, 04:16 PM | #87 | |
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Drives: 2017 Camaro ZL1 A10 Join Date: May 2012
Location: NJ
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For the record I have never seen any NA car make more than a handful of HP when swapping to a ported IM/TB. Especially without a tune. Even with forced induction you likely won't see the numbers that you claim you have. I think you need to get that thing on a real dyno and take it down a real track to see what's what. |
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10-26-2020, 04:37 PM | #88 | |
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10-26-2020, 05:39 PM | #89 | |
Drives: like an old lady Join Date: Jun 2012
Location: indiana
Posts: 2,396
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Quote:
i'm not saying your car isn't fast. i'm saying you aren't racing the right people. even when i race cars that make 100 more whp than i do, they don't put several lengths on me by 85, especially from a roll.
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2016+ camaro: everyone’s first car
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10-26-2020, 07:02 PM | #90 | |
Drives: 2021 Camaro LT1 Join Date: Sep 2020
Location: Tampa FL area
Posts: 795
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10-26-2020, 09:17 PM | #91 | |
Drives: 2021 Camaro ZL1 A10 Join Date: Nov 2018
Location: Idaho
Posts: 1,212
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Quote:
If the acceleration times aren't as accurate as a track timer then so be it. To me the important thing is I have multiple runs that show similar improvements from stock to bolt ons, so at least there's a trend in the right direction.
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2021 Camaro ZL1 A10
2022 GR Supra 3.0 Past: 2018 Mustang GT Premium w/ PP1, MR, and A10 2007 MazdaSpeed3 1995 Pontiac Trans Am 1987 Camaro Z28 |
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10-26-2020, 11:14 PM | #92 | ||
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Drives: 2017 Camaro ZL1 A10 Join Date: May 2012
Location: NJ
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Not for nothing, but do you say this stuff over on the Mustang forums? Do you tell them that your ported IM/TB, catback, and drop in filter has you at 485 RWHP based on MAF readings and that you're gapping GT350s by several car lengths from 40-85 rolls? How do they reply to that? Just curious. Last edited by BlaqWhole; 10-26-2020 at 11:31 PM. |
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10-26-2020, 11:56 PM | #93 | |
Drives: 2021 Camaro ZL1 A10 Join Date: Nov 2018
Location: Idaho
Posts: 1,212
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Quote:
Just to be clear - I realize this isn't like going to a drag strip nor a dyno. However, those are extremely variable as well. Dyno to dyno could see large differences, just like at a drag strip where the 60' makes a big difference. But at least it's something showing improvements rather than just guessing because it "feels" quicker or more powerful (which it does). I just look at it as set of interesting data. I posted about my upgrades and data on m6g. I didn't mention the roll races because those were recent and it hasn't come up. That thread was from months ago. And my buddy's GT350 is not an R. So it's similar weight to mine, except he hasn't done any weight reduction at all so my car is lighter than his.
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2021 Camaro ZL1 A10
2022 GR Supra 3.0 Past: 2018 Mustang GT Premium w/ PP1, MR, and A10 2007 MazdaSpeed3 1995 Pontiac Trans Am 1987 Camaro Z28 Last edited by Idaho2018GTPremium; 10-27-2020 at 12:21 AM. |
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10-27-2020, 12:31 AM | #94 | |
Drives: 2021 Camaro ZL1 A10 Join Date: Nov 2018
Location: Idaho
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Anyway, he and I have hung out and gone driving on some curvy mountain roads a couple of times since then but we haven't talked about it. We may go this wknd again; I'll see if he's up for a roll out on some back roads again.
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2021 Camaro ZL1 A10
2022 GR Supra 3.0 Past: 2018 Mustang GT Premium w/ PP1, MR, and A10 2007 MazdaSpeed3 1995 Pontiac Trans Am 1987 Camaro Z28 |
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10-27-2020, 05:53 AM | #95 | |
Drives: 2017 Camaro 1SS Join Date: Aug 2016
Location: NH
Posts: 1,695
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Quote:
Dragstrip is the real test. You should not let your fear of disappointing 60' times stop you from running on one. Even on street tires, you could still gain some information. Example, let's pretend that you had ran your stock car and got a 12.5 baseline. Then pretend that you ran again with your modifications and got a 12.3, you could then examine both timeslips and see the differences. That would be much more meaningful data than 'times' coming from a device that reads the speedometer. |
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10-27-2020, 08:07 AM | #96 |
Drives: like an old lady Join Date: Jun 2012
Location: indiana
Posts: 2,396
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the dragy boxes have been proven extremely accurate - repeatedly.
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10-27-2020, 08:55 AM | #97 |
Drives: none Join Date: Jan 2019
Location: Northern VA
Posts: 119
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10-27-2020, 09:18 AM | #98 | |
Drives: 2018 Camaro SS 1LE Join Date: Aug 2018
Location: Tampa Florida
Posts: 1,980
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Quote:
The gt350 manifold is "better" than an 18, but I'd probably just port my 19 manifold as well if I had stayed NA for cost savings, plus I prefer the 18+ on an m6 car. However even though the 350 manifold has been proven to be better in aftermarket modified cars, it did not show that thus far in the only other factory 5.0 its been on, the Bullit. The Bullit has shown to be no faster than a standard 5.0, if anything usually slower, but maybe the tighter 3160 gearing will make up for that and take advantage of the extra power up top.
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2000 Miata - aventi storm wheels, roll bar.
2019 Mustang GT pp1 - svt pp2 wheels, mbrp cat back, sync 3 upgrade, p1x procharger + stg2 intercooler. 2018 Colorado zr2 - zr2 sport bar, showcase spare tire. 2018 Camaro SS 1LE - GM cai, black bowties, suede knee bolsters, 1le plate frame, black fuel door, dark tails + 3rd brake light, euro side markers + led's, GM all weather floor mats, velossatech big mouth, GM strut brace. 2017 Corvette Grandsport (sold) - untouched. 2006 GTO (sold) - iat relocation, air box mod, monero side marker lights. Last edited by RobbyBeefcake87; 10-27-2020 at 10:27 AM. |
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