05-25-2021, 10:33 PM | #239 |
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Leave this as well. I do miss the sound
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2013 Series 10 FRS #553
RCE T2's, SPC LCAs -4/2.6 camber JDL 4-2-1 EL, FP and OP, Tuned by Zach@CSG on e85 RR Wilwood Front/Rear Sport BBK, Motul 600 Fluid ARC-8 17x9 SX2 GTs 245s/Koing 17x8 v730's 225's |
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05-25-2021, 10:46 PM | #240 |
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Sooo good! How did the 245s hold the power? NA my car felt heavy in first when just street driving. I’m curious how boost changes that.
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There's a point at 7,000 RPM... where everything fades. The machine becomes weightless. Just disappears. And all that's left is a body moving through space and time. 7,000 RPM. That's where you meet it. You feel it coming. It creeps up on you, close in your ear. Asks you a question. The only question that matters. Who are you?
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05-25-2021, 10:50 PM | #241 | |
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2013 Series 10 FRS #553
RCE T2's, SPC LCAs -4/2.6 camber JDL 4-2-1 EL, FP and OP, Tuned by Zach@CSG on e85 RR Wilwood Front/Rear Sport BBK, Motul 600 Fluid ARC-8 17x9 SX2 GTs 245s/Koing 17x8 v730's 225's |
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06-09-2021, 01:06 PM | #242 |
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Here is the dyno from my Edelbrock SC I just had installed. I noticed my toque comes on around 3k and hits 220ft/lbs. Is that too much for stock rods? I see most people say to stay around 200ft/lbs, from what I’ve been reading historically (all hearsay, of course). Should I ask my tuner to lower the torque, if possible? I drive pretty conservatively; no track or auto-x
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There's a point at 7,000 RPM... where everything fades. The machine becomes weightless. Just disappears. And all that's left is a body moving through space and time. 7,000 RPM. That's where you meet it. You feel it coming. It creeps up on you, close in your ear. Asks you a question. The only question that matters. Who are you?
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06-09-2021, 01:49 PM | #243 |
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That Dyno plot is perfect. Flat and ramps in nicely. Nothing is 100% safe but you are in the safer region.
Couple things. With boost you need to change your driving habits a bit. Don't floor it while lugging the engine. Also warmup is important now. Stay out of boost till oil temps get to a safe area. Other than this enjoy and have fun. For a while keep an eye on afr while driving. Highly recommend a p3 vent gauge that plugs into obd2 port. Sent from my GM1915 using Tapatalk
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2013 Series 10 FRS #553
RCE T2's, SPC LCAs -4/2.6 camber JDL 4-2-1 EL, FP and OP, Tuned by Zach@CSG on e85 RR Wilwood Front/Rear Sport BBK, Motul 600 Fluid ARC-8 17x9 SX2 GTs 245s/Koing 17x8 v730's 225's |
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06-09-2021, 01:58 PM | #244 | |
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When driving, I roll onto the throttle and do not go-over half throttle until at least 3k RPM (never over half throttle in 6th; rarely in 5th). My shift are also 6k max since this when I hit peak HP, and only on occasional pulls. Thanks for the tip about the p3 vent -- I have been using my bluetooth ecutek device plugged into the OBII and have it on in my cell cradle.
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There's a point at 7,000 RPM... where everything fades. The machine becomes weightless. Just disappears. And all that's left is a body moving through space and time. 7,000 RPM. That's where you meet it. You feel it coming. It creeps up on you, close in your ear. Asks you a question. The only question that matters. Who are you?
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06-09-2021, 04:57 PM | #245 | |
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You should be shifting just before limiter for maximum acceleration, 6k is far from when you should be shifting. Peak hp is meaningless. You shift when mechanical torque at the wheel in the current gear is less than mechanical torque at the wheel would be in the next gear you would be shifting to, typically this rpm however is beyond even the limiter so we are limited to the rpm of the limiter before shifting. |
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06-09-2021, 05:41 PM | #246 | |
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__________________
There's a point at 7,000 RPM... where everything fades. The machine becomes weightless. Just disappears. And all that's left is a body moving through space and time. 7,000 RPM. That's where you meet it. You feel it coming. It creeps up on you, close in your ear. Asks you a question. The only question that matters. Who are you?
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06-09-2021, 05:54 PM | #247 | |
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2013 Series 10 FRS #553
RCE T2's, SPC LCAs -4/2.6 camber JDL 4-2-1 EL, FP and OP, Tuned by Zach@CSG on e85 RR Wilwood Front/Rear Sport BBK, Motul 600 Fluid ARC-8 17x9 SX2 GTs 245s/Koing 17x8 v730's 225's |
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06-09-2021, 05:56 PM | #248 |
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Ahhh understood. So wringing it out to 7k vs 6k isn’t adding more wear? Keep in mind this during a pull. City driving I’m a piker around 4.5k
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There's a point at 7,000 RPM... where everything fades. The machine becomes weightless. Just disappears. And all that's left is a body moving through space and time. 7,000 RPM. That's where you meet it. You feel it coming. It creeps up on you, close in your ear. Asks you a question. The only question that matters. Who are you?
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06-09-2021, 06:55 PM | #249 | |
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2013 Series 10 FRS #553
RCE T2's, SPC LCAs -4/2.6 camber JDL 4-2-1 EL, FP and OP, Tuned by Zach@CSG on e85 RR Wilwood Front/Rear Sport BBK, Motul 600 Fluid ARC-8 17x9 SX2 GTs 245s/Koing 17x8 v730's 225's |
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06-09-2021, 07:00 PM | #250 |
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These engines always feel kind of sketchy to me past 6500 rpm. I'm sure it's fine but that's about where i push mine. Just sounds so strained after that.
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06-09-2021, 07:01 PM | #251 | |
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Shift 50rpm before limiter. Shift at the last possible moment to still not hit limiter/fuel cut but rev as high as possible. I specified mechanical torque to the wheel. Not torque or hp on a dyno graph. Mechanical torque is calculated after all gear ratio, wheel size etc… are factored in. You want to shift gears at the RPM when the current gear you are in has LESS mechanical torque at the wheel than the next gear will have at the RPM it will land in after shifting. On most cars the mechanical torque to the wheel is always higher in the numerically lower gear all the way to rev limiter. You’d need to make like 400ft lbs at 5k and 200ft lbs at 6,500rpm to benefit from short shifting. A 20-30% drop in torque is more than made up for by torque multiplication through numerically higher gearing. |
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06-09-2021, 07:04 PM | #252 |
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Lugging, overall temps, and overall power are substantially a much bugger factor than revving to factory limiter. As long as you don’t have oil starvation, valve float, or lifting a head which you most likely are not then shifting at 6,300 vs 7,300 wont make much difference. Your actually making less engine torque at the higher rpm anyways. Let her rev out she wants it. Just don’t bang limiter.
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