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Not surprising as people have put the Gen 4 intake manifold on the older engines and put (ported) Gen 3 heads on the new motors The rods and cams+followers were different as Ford said. And no DoD like the trucks.

A lot of the factory stuff sucks

Huh?

Heater core is pretty small, the fan doesn't move much air, I've never seen the heater drop the coolant temp at all. Not even a tiny bit. Think of how massive the radiator is and how much air those big electric cooling fans move (or driving down the road)

Would not pay MSRP

probably 91 octane here's a previous model https://www.sae.org/standards/content/cpfd2_18musgt91/ also the ford website fine print says: Horsepower and torque ratings based on premium fuel per SAE J1349® standard. Your results may vary.

Who's driving a Mustang when it's 22 below? That's not quite what it says. Your vehicle operates on regular unleaded gasoline with a minimum pump (R+M)/2 octane rating of 87. For best overall vehicle and engine performance, premium fuel with an octane rating of 91 or higher is recommended...

VMP ran a 2024 directly from the dealer, they suspected it had 87 octane in it, and then added the suggested amount of Boostane to bring it up to 93, and this was the difference. Sure, it would have been nice for them to run as much 87 out as they could and go fill up on known good 93 but it's...

Get those gen 4's and a set of stock gen 3's on a flowbench! The internet wants to know!

Didn't a couple companies do dyno videos of 91 vs 87 or was that only VMP with the Whipple installed?

Just watched the video - what are the details on this? Are gen 3 heads a direct swap or were parts like timing components needed from the gen 4 engine? Were the gen 4 cams used? Interesting stuff!

@beefcake are all the big shops posting numbers right now using the same whipple tune or has it been customized for each? And if so, is each shop going to be selling that particular cal in the future or?

How many miles did you have on the cat that died?

If you ever want to supercharge in the future....yea the Whipple kit for the S650 might be $9-10,000 but you need to see what C8 stuff costs...The ATI ProCharger kit is $19,000! And if tuning ever comes out for the S650 you should see kits in the $6,000 range like you did for the S550.

You want the higher octane from the ethanol. Especially in the eco

Wouldn't even look at it until after 1,000 miles of me driving it.

they go away after a few minutes of driving. Some tires flat spot parked overnight

there are 7 second 4 cylinder Hondas and 5 second 6 cylinder Supras

Didn't car and driver run that with one stock?

Is the new tune that's being tested going to be carb legal? I thought only the stage 1 tune was and assumed everyone was using the stage 2 tune