Piston Slap: Ain't Skeered of No Blown Stang!

Sajeev Mehta
by Sajeev Mehta
piston slap ain t skeered of no blown stang

TTAC commentator 1trikpny writes:

Hi, I’ve got a 2005 Mustang GT Deluxe,5spd, no Leather, no options. Black with 18″ chrome wheels, 285/35 Sumitomo HRT-Z 3’s, I’m the second adult owner.The previous owner bought it new, and at 40,000 miles installed a Saleen Supercharger with a Brenspeed Stage 3 tune. 500 hp at the crank. Currently at 63000 miles. I’ve added BMR LCA’s, Relocation brackets, and Panhard bar. this car has been very well maintained all of it’s life. No smoke, no noises, everything is just right.

So what’s the problem?

I can’t help thinking about breakage, so I’m thinking of selling it. I really like this car, and don’t even drive it hard, but I am well aware that stuff happens. Although money is not an issue, any I put into repairs would be gone as far as resale. Right now the car is worth every penny I paid, including the BMR stuff.

I won’t replace it if I sell, but I would certainly miss it. It always puts a smile on my face!

What do you and the B&B think? Am I just worrying too much? I do that naturally………

Thank you in advance for thoughtful comment,

Sajeev answers:

Ah, the classic “is this relationship too good to be true?” question posed by many a tuned automobile owner. A scary proposition if this was a modified WRX with an unknown owner history, but somewhat benign with an adult-owned supercharged Mustang. Let’s find out why!

Assuming the computer recalibration is set for a healthy balance (in the air/fuel ratio) between component safety and dyno-pleasing power figures, there’s little to worry about. Continue to drive like an adult on premium fuel and the engine should be fine, as supercharging Ford V8s is far from complicated or dangerous. It’s been that way for years. Ditto the solid rear axle: Ford’s 8.8 is robust, even the Camaro boys love them.

The only concern is the transmission. While a stock Mustang gearbox is good for an impressive 360 ft-lbs, you could easily destroy it with hard launches/power shifting/regular application of full throttle on a supercharged Mustang. But money fixes everything. Rather cheaply in a Mustang compared to other tuned machines, I might add!

The point: you are indeed worrying too much. Enjoy the “adult driven” Mustang and find a worrisome issue that’s worthy of your time.

[Image: Shutterstock user Steve Mann]

Send your queries to sajeev@thetruthaboutcars.com. Spare no details and ask for a speedy resolution if you’re in a hurry…but be realistic, and use your make/model specific forums instead of TTAC for more timely advice.

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2 of 23 comments
  • Beerboy12 Beerboy12 on Aug 05, 2014

    Driving a car like this gently can do about as much damage to the motor as hooning it. Give it horns now and then, that's what meant for! Keep it until you have a real reason for letting it go.

  • Scottcom36 Scottcom36 on Aug 05, 2014

    You won't get back the money you spend repairing a "sensible" car either. I say enjoy driving it and pushing it some without beating on it.

  • 28-Cars-Later I'm actually surprised at this and not sure what to make of it. In recent memory Senator Biden has completely ignored an ecological disaster in Ohio, and then ignored a tragic fire in Hawaii until his handlers were goaded in sending him and his visit turned into it's own disaster, but we skipped nap time for this sh!t show? Seriously? We really are through the looking glass now, "votes" no longer matter (Hillary almost won being the worst presidential candidate since 1984 before he claimed the crown) and outside of Corvette nostalgia Joe doesn't care let alone know what day it happens to be. Could they really be afraid of Trump, who AFAIK has planned no appearance or run his mouth on this issue? Just doesn't make sense, granted this is Clown World so maybe its my fault for trying to find sense in a senseless act.
  • Tassos If you only changed your series to the CORRECT "Possibly Collectible, NOT Daily Driver, NOT Used car of the day", it would sound much more accurate AND TRUTHFUL.Now who would collect THIS heap of trash for whatever misguided reason, nostalgia for a much worse automotive era or whatever, is another question.
  • ToolGuy Price dropped $500 overnight. (Wait 10 more days and you might get it for free?)
  • Slavuta Must be all planned. Increase price of cars, urbanize, 15 minutes cities. Be poor, eat bugs
  • Sid SB Not seen a Core without the performance pack yet. Prefer the more understated look of the Core vs the Circuit, but both are great fun to drive.