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See post 594, 595 and 598 for what you need to do.

Are you stock tune? If yes then the ecu has a ton of things it does to “protect” various parts when the engine is run hard. It adds fuel and pulls timing and can even pull rpm in extreme cases. Even if you do mechanical cooling mods a stock tune will still drop power by adding fuel and pulling...

I have the Cortex and love it. Car is manual. The cortex can do 8 gears, so boost by gear would probably be bottom 8 gears with 8,9 and 10 the same duty cycle. Or you could ask them to create a beta version software for each of 10 gears, their customer support is great.

Doesn’t melt up to 245F. I use the white corrugated sign board from Lowe’s. Also the heavy duty duct tape keeps it stuck to side of radiator. The plastic is so much easier to work with, slightly flexible, cuts with a box knife and cheap. Works fine for me.

No metrics. Only thing I kept track of was how long I could drive flat out for until temps got into 240’s and then I’d need to pull rpm. The most effective mod was definitely the boxed rad, and the more effort I put into completely sealing it the better the result. The hood vents were...

I also have track vents, and they definitely help.

Here is what I mean. My mishi is keeping a 600hp TT cool in the Texas heat. The incoming air is forced through the coolers, can’t escape around any of the 4 sides.

If you haven’t sealed all four sides of your radiator then you will get overheating no matter what you do. And I mean properly sealed in, as in NO air that enters the front can bypass the radiator. This step is the most important for effective cooling. Most guys use aluminum sheet, but I’m not...

https://ajhartmanaero.com/straight-splitter-tunnel-front-diffusor/

Yeah, its a Watson Racing bar. It’s lighter and allows more air flow around it. I put a loop strap around it and then cut a slot in my bumper. Haven’t used it for towing yet, and hope I never do.

Did a similar thing to my car. The duct is much more convenient than the hose, I’ve crunched a new hose backing out the garage after just replacing it 🤦🏼‍♂️

Yeah, thanks for checking. I searched the net and couldn’t find the recommended bolt size for seat belts other than it should be grade 8 or better. Since the same size bolt is used in the OEM seat belts, I figured that be ok for my 6 point harness as well. Hopefully I never have to find out.

I’ m using the child latch bolts for mine. Not sure if it’s safe, but those bolts are the same size as the bolts used for the OEM belts and to hold the seats to the body.

The coyote engine operates in closed loop mode all the time, meaning the ecu gets constant feedback from the wideband sensors. It targets a lambda value commanded by your tune. If you’re using e85 or eWhatever the ecu will adjust the fueling to the lambda commanded in the tune. If you have an...

Easy way to decide if this is helping or hurting is whether you are waiting for the car to settle before getting on the gas or are you able to gas out as planned. Fastest lap times come from being on the gas as much as possible. As soon as you unsettle the car with a slide that causes you to...

Couple guys said this already, but 1,000rwhp can really only be used at the drag strip or on the dyno. I’d be surprised if anyone here admits to being able to unleash 1,000whp on the streets regularly, unless its 2:00am Sunday night or something like that. 800rwhp would probably be a more...

Lol, yeah what I said was not clear. There is a plate behind the rear seats that is used to latch onto a child seat. That went into the garbage can a long time ago. I never had any issues with the 4 point system, the organization I attend was happy as long as it was equal or better than OEM...

You can make a boost leak tester with 2 plumping adaptors like these: https://www.lowes.com/pd/Fernco-3-in-x-3-in-x-2-38-in-dia-Coupling-PVC-Fitting/1000075377 Select the size wit a big end that fits your turbo inlet and plug the small end with a PVC pipe cap. Fit a hose bung into one of the...

Yeah, I got lucky. I’m also an expert at removing broken stud bits from blocks. DM me if you need advice in this area, but hopefully no one ends up with a bust stud like i did.

Also heads up if you guys use the ARP head studs, my experience was a major fail, I snapped 2 studs and eventually gave up and went with the factory head bolts. Apparently the trick is to make sure the washer is scuffed up on the side that touches the head. The goal is to ensure that the...