[Solid_Sim]

Hey guys, I need some experienced people's opinion on my results with current bolt-on's and custom tune..

I had made a nice 1/4 mile run of 12.4@110mph completly stock with only the 93 oct. can tune from Diablosport and mishimoto oil catch can.. outside temps were around 68F, and this track is bad with strong head winds!

Recently I intalled the Roto-Fab CAI, tuned, then installed the CA Perf. primary cat delete pipes, tuned again and went to the same track but with higher air temps, around 90F on the track..

Could only make a shameful 12.8@110mph best time (2 runs) and made a log on the 2nd because I felt like getting way less HP than usual.

You can check out the log and give me your advice on what to do next, I got a new custom tune from the tuner but I wonder if I'll get the same shameful performance next time? (I think you need to change the .txt to .log?)

I'm supposed to have at least 30hp more to the crank than stock? A friend suggested to go tune my car with Hptuner, he's convinced I could get way better perfomance...

[TEX1LE]

I'm not a big straight line guy but it sounds like the only contributing factor to the slower time could be temps. 30hp to the crank isn't that much of a power gain at the wheels considering the weight of the car so you're probably spinning more coming of the line trying to launch harder. Are you on stock tires? Using the launch control? I've never used the launch control but seen a couple of vids and it seems like it's a cool feature but doesn't give a great launch compared to what the driver can do with practice.

[Solid_Sim]

Originally Posted by TEX1LE

I'm not a big straight line guy but it sounds like the only contributing factor to the slower time could be temps. 30hp to the crank isn't that much of a power gain at the wheels considering the weight of the car so you're probably spinning more coming of the line trying to launch harder. Are you on stock tires? Using the launch control? I've never used the launch control but seen a couple of vids and it seems like it's a cool feature but doesn't give a great launch compared to what the driver can do with practice.

Well I get your point and no I'm not on stock tires when going to the strip, I put on my 20 inch NT555R and got 1.9 60' times.. when I managed to get my 12.4 stock I went 1.8 or 1.7 not sure.

I say 30hp at the crank because I'm conservative, Roto-Fab CAI should give around 15-20hp? Primary cat delete should give another 15-20hp? Custom tune should give another 15-20hp?? I'm hoping to be near the 500hp at the crank mark but sure does'nt feel like it

[cmitchell17]

I haven't been able to validate any gains with a tune on a relatively stock or stock motor. I would like to get time on a load holding dyno, but my tweaks and using other's tunes have not shown enough gains to be within noise and error of measuring it.

I have used virtual dyno, which just uses rpm change vs time to calculate acceleration which can solve for power and torque knowing weight.

I have seen gains of about 8ft.lbs/8hp with a tune with added timing and leaner fuel and the usual knock sensor and burst knock reduction. This is on the same stretch of road at the same time and conditions. But I have also seen it lose power in certain rpm ranges. So its not certain enough for me to say 100% I gained power.

What format is your log in? When I open it I can't see anything.

[Solid_Sim]

Originally Posted by cmitchell17

I haven't been able to validate any gains with a tune on a relatively stock or stock motor. I would like to get time on a load holding dyno, but my tweaks and using other's tunes have not shown enough gains to be within noise and error of measuring it.

I have used virtual dyno, which just uses rpm change vs time to calculate acceleration which can solve for power and torque knowing weight.

I have seen gains of about 8ft.lbs/8hp with a tune with added timing and leaner fuel and the usual knock sensor and burst knock reduction. This is on the same stretch of road at the same time and conditions. But I have also seen it lose power in certain rpm ranges. So its not certain enough for me to say 100% I gained power.

What format is your log in? When I open it I can't see anything.

Its funny how people, forums and online shops for parts give different information! You really expect some nice gains with bolt-ons on a 6th gen.. and you expect some gain with a tune to finish your set up and correct the ECM...

Losing 0.4 on the 1/4 mile is really bad and I was really disapointed about it, even tough I knew the outside temp was quite high!

The log is currently in a .txt format but you need to download it and then change the .txt to .log for it to open in Diablosport dataviewer! For some reason this forum won't allow me to upload it in the .log format

[Tr6]

Reality vs Dyno is totally different. Unfortunately, many many shops use dynojet (highest reading), hood open (who drives around with their hood open?) and a BIG a$$ fan facing the car (no one gets 30 mph COOL air coming straight to the car ALWAYS).

Want as close to on the road (real) numbers? Hood closed, mustang dyno and make sure you have fuel from the place you regularly gas up at.

Seen too many places advertise 20rwhp for a product (let's take headers for example) but in reality it has given 6rwhp to 8 rwhp and 6 to 8 rwtq... Which was really from removing the cats lol. You'll get about 10 rwhp from removing the 4 cats with a tune...

As for your tune, you could hit up my tuner guy who does mail in tunes if you care to. For the 6th gen to get some really good times is to add either/all: drag radials, boost, cam, heads are where you will truly shave seconds of your time. Hot air doesn't really effect our cars that much due to the FANTASTIC cooling of the car. Car temps for me are no different than it being 50s outside or 105s. Always between 190-205, I also do have Redline Water Wetter which helps a ton.

[Solid_Sim]

Originally Posted by Tr6

Want as close to on the road (real) numbers? Hood closed, mustang dyno and make sure you have fuel from the place you regularly gas up at.
Hot air doesn't really effect our cars that much due to the FANTASTIC cooling of the car. Car temps for me are no different than it being 50s outside or 105s. Always between 190-205, I also do have Redline Water Wetter which helps a ton.

THIS is what I tought but then my E-tuner said its normal for my car to perform like that in hot weather, wtf man... I didn't really expect to shave a .2 second on the 1/4 mile with my setup, but I wanted to make my 12.4 at least easier to reach!

Also what's "Redline Water Wetter" ? is it water-meth or something?

[Tr6]

Originally Posted by Solid_Sim

THIS is what I tought but then my E-tuner said its normal for my car to perform like that in hot weather, wtf man... I didn't really expect to shave a .2 second on the 1/4 mile with my setup, but I wanted to make my 12.4 at least easier to reach!

Also what's "Redline Water Wetter" ? is it water-meth or something?

It's all in the name of the game and potential customers just may not see it... It's just being smart about it. The machines we drive will alter itself given the environment and data is different. There is no magical "add X part and you will gain 550 rwhp and shave off 5 seconds of your 1/4 times" lol. I may be exaggerating just a bit :P lol, but you get the point.

The whole open hood dyno thing is not a bad thing though it can and does lead to marketing BS at times if not given a disclaimer or people realizing that they don't drive around with their hood open lol... That number being produced by it is MAX POWER. Max power as in if everything is ABSOLUTELY PERFECT. But the REAL number to look at is the average. It will fluctuate a lot as there are a crap load of factors...

One thing I forgot to mention is the whole HP tuners... It truly does NOT matter what program people use... It's all about the tuner. I am not a fan of HP tuners because I don't feel like carrying a laptop (hell, I don't even own a laptop...) to change a tune or read a code. Why I am a fan of portable units like SCT, Accessport, Diablo, etc. Small devices that are easy to carry for a road trip and just change up your tune in a minute (road trip, maybe not have access to 93 and be 91 only vice versa) or to read codes.

As for the Water Wetter, I found it always funny but it falls under the; don't knock it till you try it deal. Been using it for YEARS now, on all my cars. It's an additive for the coolant that that decreases temps by a good 20-30F. My camaro has it and it's been 100-106 out lately... Temp hasn't changed one bit from 190-205 range vs it being 50s outside. Last summer, I did not have it and I was always around 200-220F range.

https://www.amazon.com/Red-Line-8020...s=water+wetter

[Solid_Sim]

Alright I'll try that! And also would it help to add some TORCO accelerator?