Disappointed of OV Tune ECU upgrade Lexus GS F-Sport
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mkmckinley (02-05-20)
#32
The GS350 is a 6s 0 -100 car, it should be even quicker to 60. Measure it again, something isn't right...unless you don't have a 350 you would be doing 6s.
Either way, they advertised miniscule gains, I'm afraid your expectations were unreasonable. I believe that a <10% increase is unnoticeable to the average driver.
The 350 makes 233kw from 3.5L NA. Impressive, especially in 2011 when it started production. If you want more power get a turbo, supercharger or buy the GS F. In all honesty you're mad not to buy the F, it sells new in the US for what we pay for a GS350
Either way, they advertised miniscule gains, I'm afraid your expectations were unreasonable. I believe that a <10% increase is unnoticeable to the average driver.
The 350 makes 233kw from 3.5L NA. Impressive, especially in 2011 when it started production. If you want more power get a turbo, supercharger or buy the GS F. In all honesty you're mad not to buy the F, it sells new in the US for what we pay for a GS350
I've never really paid attention but I know it doesn't take much effort to go over 100 in this car.
#33
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Im2bz2p345 (02-05-20)
#35
The 0-100 thing, it's advertised here as a 6s car to 100kmh so it should translate to high 5s to 60mph, I think 60 must be slightly slower than 100. I keep forgetting to notate my units, I only have to do so when talking to folks over 80 (years) here 😂
#36
From the chart above the average torque has increased by 5% which is great, however I don't think it's going to be all that noticeable in isolation - just my opinion. That said, I would guess the bulk of your work is on cars that have new intakes, headers and full exhausts etc - I have no doubt a tune would breathe new life. It certainly did to my last car.
The 0-100 thing, it's advertised here as a 6s car to 100kmh so it should translate to high 5s to 60mph, I think 60 must be slightly slower than 100. I keep forgetting to notate my units, I only have to do so when talking to folks over 80 (years) here 😂
The 0-100 thing, it's advertised here as a 6s car to 100kmh so it should translate to high 5s to 60mph, I think 60 must be slightly slower than 100. I keep forgetting to notate my units, I only have to do so when talking to folks over 80 (years) here 😂
#37
All this is just my personal experience and I'm no expert. Everyone's is different, but I think even a 5% improvement in low RPM torque would definitely be noticeable. Bonus if it's supported by programmable shift point mapping. I'm never going to track a GS 350 but for spirited driving the subjective "feel" means a lot to me. Suspension, throttle response, shifting makes me feel in control of the car and makes driving more enjoyable.
Last edited by mkmckinley; 02-05-20 at 02:59 AM.
#38
I wonder how the mail order flash numbers compare to a proper dyno tune? I got a custom tune for a previous car for the price of these mail order ones - however your local tuning shop probably doesn't have the IP to do it, leaving one no option.
#39
We are talking about a 14 year old engine that still has not been properly tuned yet. I doubt we’ll ever see a tune for this engine that will improve its performance. I’d personally just go with the GS-F if money is not an issue or buy a supercharger.
Last edited by SNiiP3R; 02-05-20 at 04:42 AM.
#40
From the chart above the average torque has increased by 5% which is great, however I don't think it's going to be all that noticeable in isolation - just my opinion. That said, I would guess the bulk of your work is on cars that have new intakes, headers and full exhausts etc - I have no doubt a tune would breathe new life. It certainly did to my last car.
The 0-100 thing, it's advertised here as a 6s car to 100kmh so it should translate to high 5s to 60mph, I think 60 must be slightly slower than 100. I keep forgetting to notate my units, I only have to do so when talking to folks over 80 (years) here 😂
The 0-100 thing, it's advertised here as a 6s car to 100kmh so it should translate to high 5s to 60mph, I think 60 must be slightly slower than 100. I keep forgetting to notate my units, I only have to do so when talking to folks over 80 (years) here 😂
Unfortunately there does not seem to be a easy or inexpensive way to get any more real noticeable power out of this engine, if a tune did not take a few tenths of a second off the 0-60 or quarter mile I would not spend any money on it, certainly not over $300-500.
#41
We made excellent horsepower and torque gains with the 2GR-FSE tune. I anyone is interested in trying our the tune, bring their car to our shop and I'll flash it for free. Or PM me and we can work out something.
#42
#44
I'm a skeptic in believing any meaningful and noticeable improvement in performance is possible with a [so-called] 'tune' of the Lexus GS 350 engine. Unfortunately the GS 350 does not have a forced-fed (turbocharged or supercharged) engine where the boost could easily be turned-up, with modified fuel mapping and ignition timing that would add huge horsepower and torque gains (like the 4th Gen JZA80 Twin-Turbo Supra which had strong internals).
I am of the opinion that there is not much a 'tune' can do to increase the horsepower and torque of the stock GS 350 engine. And I do not consider altering an engine's ignition timing and fuel mapping for increased throttle-response in less than wide-open-throttle conditions to be anything more than a manipulative trick (gimmick) with the objective of making the driver feel-good that the vehicle has more power - something any vehicle with a 'Sport' mode button can duplicate.
Getting meaningful and noticeable increased performance from the 4GS engine with a 'tune' is like changing a tire on a moving vehicle.
Not that it can't be done, but...
I am of the opinion that there is not much a 'tune' can do to increase the horsepower and torque of the stock GS 350 engine. And I do not consider altering an engine's ignition timing and fuel mapping for increased throttle-response in less than wide-open-throttle conditions to be anything more than a manipulative trick (gimmick) with the objective of making the driver feel-good that the vehicle has more power - something any vehicle with a 'Sport' mode button can duplicate.
Getting meaningful and noticeable increased performance from the 4GS engine with a 'tune' is like changing a tire on a moving vehicle.
Not that it can't be done, but...
#45
If it gives u more HP and Torque then it should improve the 0-60 time right? Or am I missing something here? More power = quicker acceleration right? Especially if the weight remains the same.