|
Forced Induction Turbo, Supercharger, Methanol, Nitrous |
|
Thread Tools | Search this Thread |
07-08-2016, 11:20 PM | #1 |
Junior Member
Join Date: Jul 2016
Drives: FR-S
Location: USA
Posts: 3
Thanks: 0
Thanked 1 Time in 1 Post
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
|
Tuning comparison
Hi folks,
I've been reading this forum for a while now but recently I registered to inquire some details about a couple of upgrade options. Since I've been thinking of getting a FR-S and upgrade it after break-in period, I've decided to get a FBM kit to start. If time and finances permit later, I'd do more serious upgrades: built engine, bigger turbo, racing tranny and clutch, carbon drive shaft, racing rear LSD, carbon panels, etc... but still keep it street legal (passing smog) . Which then got me thinking: "If I have about $100k to spend on a car, should I get Nissan GT-R or Corvette Z06 and call it good? Or should I get something else and see if I can turn it into a poor man's super car?" Thus, I started a data collection to see relative comparison. I'll add more later such as ECU, panels/hood/trunks, etc... Below link contains some of the turbo specs and the investment cost vs weight to power ratio. The weight to power ratio compares stock FR-S, mod FR-S of some the members here, GT-R, Z06 and some of the other expensive sports car and supercar. Any good sports car would be in ~8 pounds / horsepower and ~8 pounds / ft-lb. Any great ass kicking super car would be in the ~4 and below. Comments and suggestions welcome. Please no flame war. This is meant as general guideline for tuning and upgrade path. There's a lot more to the performance of car than just peak HP/TQ (all else being equal) such as smooth power band, etc... https://docs.google.com/spreadsheets...it?usp=sharing Note: Since the members here provided numbers from the dyno, I did an estimated efficiency calculation of numbers provided by OEM at the engine vs what's measured at wheels by the members here. Then I used that percentage efficiency (83% HP, 91% TQ) to calculate what would be at the engine baring no tranny replacement. Edit 2016-07-09: Added EMS to document in link. AEM Infinity series is AWESOME! Tuning via VE for specific RPM ranges and ability to control nitrous for anti-lag from the turbo... hmm.. don't know if it's worth it at starting ~ $1550. Last edited by tommyhp2; 07-09-2016 at 06:06 PM. Reason: Added EMS to document in link. |
The Following User Says Thank You to tommyhp2 For This Useful Post: | Dream20b (07-09-2016) |
07-09-2016, 07:57 AM | #2 |
Y u do dis?
Join Date: May 2014
Drives: 2013 Scion FR-S
Location: Northbrook, IL
Posts: 465
Thanks: 832
Thanked 194 Times in 107 Posts
Mentioned: 3 Post(s)
Tagged: 0 Thread(s)
|
I think your idea of 8 lbs/hp making a sports car good is way more than most people should/can handle. Personally I would think 10 to 12 lbs/hp to be good ratio for almost any track with turns. There is way more to a car than how fast it goes.
On the other hand, if you're just drag racing, it really doesn't matter how much power you can make or how smooth it comes on if you can't put the power down. In my experience, The most important things are an effective suspension/wheel/tire combo, Enough power to stay competitive, and sturdy enough drivetrain/drivetrain components to hold that power, in that order. Assuming drivers are equal, a car with less horsepower that can effectively launch and gain speed all the way down the track may run better times, more consistently than a car with more horsepower and less traction off the line. For example, you have two cars that are capable of running 12.0 In a 1/4 mile. They have the same dyno plots. they're identical in that aspect. Car A has a full drag slick on a 16x8" wheel that weighs 40 lbs per wheel and tire combination. in theory, This car will be much easier to launch than Car B which is running a 16x8" wheel with a drag radial set up that weighs 40lbs per wheel and tire combo, right? Here's the kicker: Car A is on a road course suspension. Car B is on a full drag suspension. Car B is actually going to be significantly easier to launch because it won't be constantly loading and unloading because of the effects of a wrinkle wall tire on a less effective suspension (for the tire). This can be seen here on an AWD Bugeye WRX: [ame="https://www.youtube.com/watch?v=CXchDB4wT4I"]TH Motorsports/Fortune Auto 550 Drag Spec Coilovers - YouTube[/ame] TL;DR: I agree that power is very important. Don't forget the other things along the way. PS I appreciate what you have compiled so far, keep It up.
__________________
Dat Hot Lava Doe
Clearly you have no clue what you are talking about. Everything you said was completely and utterly the ramblings of a babbling idiot regurgitating garbage from his mouth. Everyone here is now dumber from reading your post. Please die now. Last edited by Dream20b; 07-09-2016 at 08:13 AM. |
07-09-2016, 08:27 AM | #3 | |
Senior Member
Join Date: Mar 2014
Drives: '15 BRZ RA
Location: Greece
Posts: 3,787
Thanks: 2,416
Thanked 1,944 Times in 1,261 Posts
Mentioned: 29 Post(s)
Tagged: 0 Thread(s)
|
Quote:
Bigger turbo? |
|
07-09-2016, 10:49 AM | #4 | |
Join Date: Jul 2012
Drives: S2000 CR
Location: Orange County
Posts: 14,522
Thanks: 8,911
Thanked 14,166 Times in 6,828 Posts
Mentioned: 966 Post(s)
Tagged: 14 Thread(s)
|
Quote:
|
|
The Following User Says Thank You to CSG Mike For This Useful Post: | Dream20b (07-09-2016) |
07-09-2016, 04:30 PM | #5 | ||
Junior Member
Join Date: Jul 2016
Drives: FR-S
Location: USA
Posts: 3
Thanks: 0
Thanked 1 Time in 1 Post
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
|
Quote:
I understand about there's a lot more to overall performance of the car than just engine: Quote:
Sure why not? I'm thinking of getting either GT2871R or GTX2867R initially to run on 91 octane. Then I'll plan out on how to run E85 or some kind of mix on a built short block, like 2JZ's 8.5:1 or WRX STI's 8.2:1 or Evo 8.8:1, along with better drive train to handle that power and matching gear ratio for higher top speed due to more power gained. I want to see if the FR-S/BRZ can hit ~200 MPH. |
||
|
|
Thread Tools | Search this Thread |
|
|
Similar Threads | ||||
Thread | Thread Starter | Forum | Replies | Last Post |
VVT Tuning Noise - ADDED: Comparison Video | Dezoris | Software Tuning | 349 | 01-27-2020 03:46 AM |
Another Perspective on Tuning BRZ/GT86/FR-S - Latest issue: Shift knob comparison | Basti | Off-Topic Lounge [WARNING: NO POLITICS] | 0 | 03-03-2016 02:47 PM |
Mann Engineering 2nd Quarter Tuning Days April 25th & 26th by Bill (Delicious Tuning) | DesertFrs | Northern California | 14 | 04-24-2014 03:15 AM |
Delicious Tuning - Dyno Tuning Weekend at Mann Engineering's (San Jose, CA) | DeliciousTuning | Announcements, Contests, Giveaways | 6 | 09-19-2013 05:55 PM |
BM TV: 86 Tuning Potential, comparison among non-tuned 86, TRD86 and HKS86 | yajin | FR-S & 86 Photos, Videos, Wallpapers, Gallery Forum | 58 | 08-12-2012 09:04 PM |