3.45 Differential install

Drivetrain discussion including Transmission, Differential, Driveshaft, and related items.
Pursuit
Administration Staff
Posts: 1022
Joined: Tue Apr 23, 2013 3:39 pm
Location: Omaha, NE area

Re: 3.45 Differential install

Post by Pursuit »

OSUBeaver,
I went with the black urethane bushings. They are more forgiving that the red urethane. I haven't had any issues with them and no annoying harshness.

Regards,

Maurice
Maurice Sheil

mhsheil@gmail.com

2011 Caprice Phantom Black 9C3
2012 Impala 9C1
1995 9C1 Caprice
1996 GMC Sierra C1500
1996 Chevrolet K2500 Extended Cab, long box, 454, 91,000 rust free miles
1974 SJ Grand Prix 455 well optioned with factory moon roof
osubeaver
Posts: 16
Joined: Sat Dec 25, 2021 8:15 pm

Re: 3.45 Differential install

Post by osubeaver »

Thanks for the tips. I found these at Holden Parts USA:

Appear to be similar to OEM: https://holdenpartsusa.com/collections/ ... s-standard
And these ones appear to be harder: https://holdenpartsusa.com/collections/ ... motorsport
Capeasy
Posts: 180
Joined: Wed Aug 07, 2019 9:16 pm
Location: Downey, CA.

Re: 3.45 Differential install

Post by Capeasy »

Just a final note, I used the red Urathane bushings when I installed the 3:45s out of a 15 SS Camaro. It was one of the first upgrades and didn't notice any more road noise over the oem bushings, but then again I did exhaust as well. Best $600 upgrade to the 3:45s on my 13 ppv.:)
Walt (AKA:Capeasy) So. Cal.
2013 Caprice 9C1,Huron white, Blackbear tune, DOD Delete, Texas Speed stage 2 cam with all the goodies, Circle D 258 mm converter, 3200 stall. Spectra CAI, 3.45 Diff, deep trans pan. BlackWidow Venom exhaust,Granatelli oval cutouts, Doug Thorley tri-Y headers, Pedders coilovers,Tower brace, Widend OE. rear wheels to 10" wide with 295 Nitto's
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