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What did you do to your GT350 today?

Ahung12

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Took him out for a drive when the sun was out on Sunday and the cold weather had me thinking some things.
1. At what temp *does* condensate in oil get boiled off, and for how long should we hold at that temp to ensure this happens?
2. Trans shifts nice and smooth even in 20* ambient temps. I suspect that's partly because he's parked in an underground temp-controlled-ish garage.
3. Gaffer's tape was never meant to adhere to plastic driven through snow and below-freezing temps as the "block-offs" I put on the front and back vents for the oil cooler are coming off. Gorilla tape going on tonight, I don't care about residue.
4. Why didn't Ford run these engines in at the factory? I'm referring to the process that's been laid out on this forum, of running rpm's up and then letting engine braking slow it down to ensure proper sealing of the rings? Why was that something left for owners to do if it's so critical to the proper function and longevity of the engine?
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DCShelby

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I’m guessing the cost to fully break in the engine on a stand to get the rings fully seated, before going into a car would be labor and cost prohibitive. For my 2018 that got a new engine I drove about 150 highway miles doing just that, got up to 8K rpm, let it stay there about 10 seconds then lifted the throttle to let it cruise. The people behind me were probably wondering just what the hell I was doing. I did it on RT50 between DC and Annapolis, the second motor didn’t burn any oil.
 

Champale

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Took him out for a drive when the sun was out on Sunday and the cold weather had me thinking some things.
1. At what temp *does* condensate in oil get boiled off, and for how long should we hold at that temp to ensure this happens?
2. Trans shifts nice and smooth even in 20* ambient temps. I suspect that's partly because he's parked in an underground temp-controlled-ish garage.
3. Gaffer's tape was never meant to adhere to plastic driven through snow and below-freezing temps as the "block-offs" I put on the front and back vents for the oil cooler are coming off. Gorilla tape going on tonight, I don't care about residue.
4. Why didn't Ford run these engines in at the factory? I'm referring to the process that's been laid out on this forum, of running rpm's up and then letting engine braking slow it down to ensure proper sealing of the rings? Why was that something left for owners to do if it's so critical to the proper function and longevity of the engine?
It's been a while since my car was brand new but i seem to recall the recommended owner's manual procedure was for 100 miles of gentle driving then you could use the engine pretty much as you wanted short of sustained redline runs until 1000 miles. After that, have at it. It's the shortest break-in procedure of any vehicle I've ever owned if I recall.
 

galaxy

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It's been a while since my car was brand new but i seem to recall the recommended owner's manual procedure was for 100 miles of gentle driving then you could use the engine pretty much as you wanted short of sustained redline runs until 1000 miles. After that, have at it. It's the shortest break-in procedure of any vehicle I've ever owned if I recall.
Uummm...

Screenshot 2026-02-09 150910.webp
 

Champale

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I know, I know. I need to stop making sense.

From the manual:

BREAKING-IN
Your vehicle requires a break-in period.
Drive your new vehicle at least 100 mi
(160 km) before performing extended wide
open throttle maneuvers and at least
1,000 mi (1,600 km) before performance
or competition conditions.
Note: Vary your speed frequently in order
to give the moving parts a chance to break
in.
 

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Gilberjj

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I’m going with a friend to a local mustang club this evening. They meet once per month. I’ve never been in a specific car club, just enthusiast clubs. I’m curious to see how it goes…
 

FISH22

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Drove my buddy’s ā€˜20 GT350 to work today; he’s deployed, so caring for his car.

And goodness, the factory shifter sucks, lol. Guess I’m spoiled from 2 years of having an MGW on my ā€˜20 GT350.

Consider this a PSA: you need an MGW shifter.
 

Inthehighdesert

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That’s one mod I’ve never done on any any of my 350’s. Never had an issue with the way the tremec functions.


Drove my buddy’s ā€˜20 GT350 to work today; he’s deployed, so caring for his car.

And goodness, the factory shifter sucks, lol. Guess I’m spoiled from 2 years of having an MGW on my ā€˜20 GT350.

Consider this a PSA: you need an MGW shifter.
 

FISH22

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That’s one mod I’ve never done on any any of my 350’s. Never had an issue with the way the tremec functions.
Yeah I guess that’s the point. I’d likely say the same thing before the MGW entering my life.
 

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galaxy

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You won’t. It’s a solid shifter. It’s damn good for stock. Going to the MGW doesn’t even seem like that big of a deal. But once you spend some time with it and theeennnn try to go back, then you’ll get it.
 

FISH22

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You won’t. It’s a solid shifter. It’s damn good for stock. Going to the MGW doesn’t even seem like that big of a deal. But once you spend some time with it and theeennnn try to go back, then you’ll get it.
I’ve read this before, what I’m experiencing now.
 

Nfs1000f

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The factory shifter does not suck.
 
 








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