That is an awesome event schedule. I love Woodward and did the Roush stuff up there one year. You should run down and do the Roval in Sept with the SCMC guys.
Break in miles
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That is an awesome event schedule. I love Woodward and did the Roush stuff up there one year. You should run down and do the Roval in Sept with the SCMC guys.
As I stated, there's more to "break in" than just the motor. I wouldn't be worried about the motor as much as I would about breaking in the diff properly:
There's plenty of literature from builders, enthusiasts and even the gear manufacturers themselves that warn about beating on gears early until they've had a chance to work harden.
Here's an example:
New Gear Break-In | RANDYS Worldwide
The same goes for clutches. Most clutch makers warn of not skipping the "bedding" process if you want the clutch to have maximum torque retention and longevity. Go to Mantic or McCloud or Spec or any of them and they'll warn you about flogging the clutch before it's been mated/bedded properly.
I agree the motor only needs a few miles to seat the rings fully and mate everything, but there are other things to consider in a break in period than just the motor.
Can you flog a car off the lot and have no problems? Surely. But I find it's little cost to take it easy for a bit. To each their own.
Work-harden? lol. You think those tiny gears in a wee little mustang are going to work harder than a 3/4 or 1t truck pulling 15k lbs?
The owners manual in my dodge diesel truck advised for "new vehicle break-in" that the owner should immediately hook up to a 10k lbs trailer and tow it up the steepest hill available.
Hey, it's your money. Do what you want.
For everyone else, the reason you don't flog the car after a new rear end is because the treatment gears and pinions receive can't replicate the heat/stress it can receive under harsh conditions when the gear oil shears and the metal hasn't heat cycled/hardened fully.
Like I said, do whatever you want. To each his own. I limped my car for a bit after I had the new rear set installed. Like I've also said, you'd have a more solid point if it was a massive cost/tradeoff we're talking about here. The cost to taking it easy for a break in period is negligible. But do whatever you want.
Guys like you are the reason they have to have fineprint in the warranty portion of a new clutch purchase. "I don't understand why it chatters and won't hold like it's supposed to. I beat the shit out of it from the beginning and now it's not working right."
First, I apologize for the triple post on page 1. I've been here since 2003 so that isn't what I do.
ANGREY,
I say you are repeating the same opinion?
I drove my car today in the mountains. It worked perfectly. Plus, there was no slow traffic on the road.
My 2019 Mustang Shelby Mustang #1868 works perfectly. No problems expect the steering wheel feel is hard to adjust. I am getting close on it.
I am worried about my new GT500 which was supposed to be delivered in 2021? The factory is shut down?
I can look for it in 2022?
ANGREY,
I say you are repeating the same opinion?
I drove my car today in the mountains. It worked perfectly. Plus, there was no slow traffic on the road.
My 2019 Mustang Shelby Mustang #1868 works perfectly. No problems expect the steering wheel feel is hard to adjust. I am getting close on it.
I am worried about my new GT500 which was supposed to be delivered in 2021? The factory is shut down?
I can look for it in 2022?
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