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And just to clarify my content on my feeling about BOVs on speed density systems: https://www.explorerst.org/threads/2021-st-bov.2576/post-41797

The old eagle talons and mitsu eclipses. AWD 2.0 liter turbos (at least the top of the line models). Precursor to the Evos in the States. At least in my experience due to the restrictive exhaust (part of the boost control strategy) and their awful BOVs, they were the reason a BOV became a...

For those of you who haven't done the research: https://www.explorerst.org/threads/hks-ssqv-bov-review.4039/post-52298 Read the thread and follow the links to other reasons why a BOV on this engine is pointless. But hey, if you want it to sound like you have a '90s DSM engine under the...

Without tuning, when you add the types of mods you have, you aren't significantly affecting the total HP/torque. However, between cooler weather and those mods you are lowering the RPM point at which the oem tuning begins to restrict torque. Since it seems to occur in higher gears that...

My assumption in this case (assumption with a capital "A") is that the ecu is seeing knock events due to the cooler weather and the higher efficiency of your intake and intercooler (any other mods?) and trying to protect the engine. Make sure you're truly on a good quality 93 octane gasoline...

You aren't the only person to see behavior like this, but there isn't enough information. The very first thing to consider is that the engine is seeing knock events that are causing it to pull timing and/or boost. Are you tuned? If so, you need to datalog. If you aren't running a tune, is this...

Nice wheels- brand? Weight?

Not everyone.

So this is outside the realm of the build thread information, but since this is for questions, let me follow up my last post to @Blown F-150 on A/R as regards load. Almost anyone with a boost gauge has figured out that when sitting at idle (low load), you can rev the engine up with almost no...

I'll be discussing A/R and turbine housings. After all, there isn't any reason to go a custom turbo route if you're not considering various A/R housings. I hope you take this the right way, but remember that load (like towing) increases turbine energy. Which means you might not want as small...

I'm not looking for 850 hp, that would take a lot more pump and injection than you can probably find currently. I'm looking to show how to get there with all the right airflow mods to make it possible. This isn't some 1000 hp dream build with no budget. I have very clear goals and will post...

BTW, @MattJ716 is going to do us all a big favor and handle editing upcoming graphs. Thanks Matt.

I'll cover all that over the next week or so, but I'm going for a street car. So primarily trying to emphasize a 93 octane gasoline build with enough headspace for e85 and over 850hp. I'll go over the math (try to keep it simple), and explain everything including the technical reasons I made...

Never in my life have I ever posted a build thread. I never was interested in sharing information. Some of it is in my early days of street racing. My cars were always sleepers- and I enjoyed having them perceived that way. I also enjoy the engineering aspect- nothing wrong with a bolt-on...

I don't find my ST "rattley" at all. But it's all subjective. I once owned an '87 Shelby Charger. Between the dash (so bad it was hard to focus on the instruments), to the mirror (which eventually fell off the windshield), to the shifter (whose high-pitched buzz would drive passengers out of...

Placeholder.

I took a lot of time to plan it out. Plumbing is far easier than it might seem and it's designed for as minimal energy loss as possible. In reality, there is much less concern (power-wise) about energy loss than trying to keep surrounding components from melting! Let's just say it'll be about...

Bang for the buck- a surprising answer.

And the winner (winners) is (are)....

Yes, I've selected a compressor/turbine combo and it will be revealed. Bear in mind that it's a fit for the information that I'll be introducing. There is also a second unit that will be recommended for a slightly different application. Unlike "Lord of the Rings", there is no ONE True Turbo to...