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I didn’t race four out of five weeks of July last year because it was too hot. There’s no choice when it comes to the time between runs on a competition night. You run when they send you, or you forfeit. Thankfully, as the runs get closer together due to eliminations, the sun is going down too. Eliminations usually start by 7:00pm
 

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The Dodge Demon had the right idea. Use the A/C compressor to chill the compressed air, then have something to absorb the condensate to prevent spilling/leaking onto the track. That's the only way to get your charge air as close to ambient (or below) as possible.
 

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Discussion Starter · #23 ·
-E30+ fueling is almost a necessity for higher temperatures at the drag strip. If you're not on E30+ you're missing out. 93 octane is fine for daily driving
E30 is not for me - closest station with it is 35min away from my house and it's not even on the way to the drag strip. I'm considering a simple conservative 93 tune (LMS) for daily driving and schlepping the kids around, without doing anything else to the car. I might go to the strip once just to see if it can hit 12s but that's it.
 

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E30 is not for me - closest station with it is 35min away from my house and it's not even on the way to the drag strip. I'm considering a simple conservative 93 tune (LMS) for daily driving and schlepping the kids around, without doing anything else to the car. I might go to the strip once just to see if it can hit 12s but that's it.
Got it. I use 87 or 93 octane most of the time and only E30+ when either gas is too expensive or when I need the performance. But understand that without E30+ fueling, you can't really get the full potential of a good tune. The ethanol cools the combustion chamber via evaporative charge cooling which is more prevalent on direct injected engines than port injection, but the effect has been measured on port injection. Theoretically E20-E30 is all you need on PI and E40-E50 is all you'd need on DI, but lots of tuners/drag racers swear by full E85 on their supercharged or turbocharged setups. One tuner told me he does it so his customers don't need to do math at the pumps.

I've put more than half a tank of E85 into mine when gas was over $4/gal.
 

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I wouldn't go to a track on a 90 degree day other than to hang with friends and blast around. If you want to set any ET records go when it is cooler.

But I haven't had any issues with stock t-stat/stock intercooler. No risk to overheating. If you're taking it on a road course, your tires and brakes will probably fail before your engine overheats unless you get specific mods. You may have spark knock issues but running E30+ helps FAR more than plugs, t-stat, etc...
Here in the south, you are not going to get very many track days that are below 90. Your lucky if you get below 95 between June and September.

But, @metroplex is correct, there is nothing wrong with stock t-stat and FMIC if you are just going use your FS as a daily driver. The heat soak on the stock FMIC is always a problem if you sit for any length of time and once you start moving, it takes a while to get temps back down. It does rob you of power and if you are getting a tune, there is only so much that will do. Hot Air just robs you of the amount of O2 in the cylinder. Torrie warned me about the heat issue as we were trying to dial in my tune.

Changing the T-stat will help keep the block cooler to help with knock/pre-det. If you change the T-Stat, to say a 170 or 160 degree, you will also need to have the electric fan "On" setting changed to match. Factory "on" is 180 degrees, I believe. I know Torrie @ Unleashed, changes that fan setting to 160 whether you get a new T-stat or not.
 
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A nice frosty shot of NOS would have been nice when I hit the track last Friday. My first run was in the upper/mid 70s after an hour drive to the track was half a second slower than my last run in the mid 60s after an hour of cooling off with hood up and a good breeze. That's half a second in the 1/8th mile, so I wouldn't be surprised if that's closer to a full second in the 1/4.
 

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Discussion Starter · #27 ·
That's a huge difference at temps that I wouldn't consider high at all.
 

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Pre-COVID when I was driving the hour long trip from the office to the track on Thursdays, I would arrive just in time to go straight from tech to the staging lanes. I would get steadily faster through the time trials because I had time between rounds with the hood up. As much as I tried to predict it, I would often breakout in the first round! Arrgh!!

That hour of steady highway speeds really saturated the engine with heat far beyond what I expected. It also took much longer than I expected for it to bleed off. Once I started working from home, only 25 minutes from the track on rural (<60 mph) roads, ability to get to the track when the gates opened and let the car sit for 1-1.5 hours with the hood up, then I was able to get a good trend indication of where the car was going to run in the first round of eliminations by making my three time trials.
 

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Discussion Starter · #29 ·
Bumping this because after over a year of sitting on the fence, researching, reading, talking to different tuners and auto engineers, etc I finally ordered from LMS, currently waiting for the delivery truck. I found spark plugs on sale several months ago so those are ready to go in if I experience any misfire issues after loading the tune. Otherwise the car will remain stock, including FMIC and t-stat. Should be fun.
 

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Bumping this because after over a year of sitting on the fence, researching, reading, talking to different tuners and auto engineers, etc I finally ordered from LMS, currently waiting for the delivery truck. I found spark plugs on sale several months ago so those are ready to go in if I experience any misfire issues after loading the tune. Otherwise the car will remain stock, including FMIC and t-stat. Should be fun.
Congratulations man! You'll be hooked on the power in no time. 😂 On the plugs, I think ours at stock are already the cooler plugs. I guess with it being classed as a performance vehicle Ford figured we should have the cooler plugs.

Let us know what you think after the tune!
 
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Discussion Starter · #31 ·
Congratulations man! You'll be hooked on the power in no time. 😂 On the plugs, I think ours at stock are already the cooler plugs. I guess with it being classed as a performance vehicle Ford figured we should have the cooler plugs.

Let us know what you think after the tune!
I found some conflicting information on this but after a lot of research I'm quite sure that you are correct - no need to go colder than stock. What is important is the gap but the factory has a tolerance range for this and some cars shipped with a smaller gap that's perfect for tuned cars. My plan is to load the tune and see what happens but my stock plugs have 41k miles on them so there's a high chance I'll just replace them anyways.
 

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I found some conflicting information on this but after a lot of research I'm quite sure that you are correct - no need to go colder than stock. What is important is the gap but the factory has a tolerance range for this and some cars shipped with a smaller gap that's perfect for tuned cars. My plan is to load the tune and see what happens but my stock plugs have 41k miles on them so there's a high chance I'll just replace them anyways.
Another piece of advice I can give you too: I have driven Livernois-tuned cars (not 2.7s though, just 1.5s) and I can tell you that I personally think, at least on the 1.5, that their 93 tune was maybe a little over-eager because it almost bogged down under heavy load. Their 91, on the other hand, was very lively and responsive. Perhaps the gas in the car was bad or sub-93-octane or something. But I'm just saying you might want to compare the 91 to the 93, and judge for yourself on that.
 

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Discussion Starter · #33 · (Edited)
First drive with the Livernois 93 map was a success. The car feels stock but turned up to eleven, which is to say that it retains the smooth driveability that it came with from the factory but it's sharper and faster. Acceleration is smooth, transmission shifts like butter. Speaking of shifts, they're noticeably quicker and the paddle shifters are more responsive - I'm actually impressed how much of an improvement they got out of just software changes (no, it's still not a ZF8). Definitely a noticeable difference in acceleration - I can feel the car squatting down and on the highway it has power in spades. I was ready to swap out the spark plugs but there were no misfires; might do them anyways but now I can choose when to do so. I definitely need new brake pads and tires.

I placed the order on Saturday and by Monday afternoon the tune was installed. The installation process was really simple too. So far I'm quite happy; will report back with updates as I put some more miles on the car.
 
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