Ruff riding tahoe

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Marky Dissod

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I have a 2020 tahoe ppv that rides ruff.
How can I fix the problem?
Tires and springs will help.
Taller tires, 18" wheels
265/65R18
softer springs, looser shocks, and softer swaybars from a Tahoe NOT-PPV will help.
If 20" wheels are required to clear PPV brake rotors & calipers,
then you may be forced to downgrade to NOT-PPV brake package.

Problem is you bought a Police Pursuit Vehicle.
 
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RST Dana

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Was it a K-9 unit before you acquired it? Asking for a friend.
 

BattleTank

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Your Tahoe was probably issued a firm suspension package for better handling. This can be verified via your RPO sticker
 

Marky Dissod

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What’s the problem with police K-9 units? Asking for ...
Nothing to do with K9 units. Everything to do with PPVs:
Police Pursuit Vehicles with Z56 suspension.

Most of us already know that most Tahoe suspension & steering systems are NOT designed to chase other speeding vehicles;
Tahoe PPVs being the glaring exception.
I have a 2020 tahoe ppv that rides ruff how can I fix the problem?
Solution is to alter the PPV so that it is more like a civilian Tahoe, see my previous post.
Saying 'Police Pursuit Vehicles have a problem' due to the way GM tuned the PPV / Z56 suspension, is like saying
'it's so hard to shave with a zweihander'.

Typically the Special Service Vehicle (5W4) is better suited to typical civilian ride expectations than the Z56.
 

stub61

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My son has an '18 PPV that was due for new tires. He went with the 265/60/17 on the PPV wheels. That does soften the ride some. He needs to get odo/speed recalibrated tho.
 

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