3:27 Chevy SS Diff' vs. 3:45 Camaro

Drivetrain discussion including Transmission, Differential, Driveshaft, and related items.
s/c'd cav
Posts: 1180
Joined: Mon May 30, 2016 8:12 am
Location: PHOENIX AZ

Re: 3:27 Chevy SS Diff' vs. 3:45 Camaro

Post by s/c'd cav » Sun Feb 16, 2020 9:33 am

VintageIron41 wrote:
Sun Feb 16, 2020 4:46 am
s/c'd cav-
As you said, it was plug and play, my 2014 Caprice PPV with a 2014 Chevy SS. Just removing the SS E-Brake system ( the wiring harness, control module, and cables to the E-Brake hook tabs ) and swapping the Caprice cables on to the hook tabs, and swapping he ABS sensors. The Caprice rotors, Caliper brackets and Calipers all bolted on the SS assembly. Would a Camaro set up with more gear have been more of a noticeable change? Sure, the SS unit had 17k miles on it, and for what I paid am very happy with the results, acceleration has improved, the SS sway bar is larger, and with such low mileage parts compared to what was in my 129k mile car, the difference is also noticeably improved. Again, than you for your reply to my post(s).
very nice !

13CapriceNC
Posts: 53
Joined: Sun Mar 31, 2019 1:33 pm

Re: 3:27 Chevy SS Diff' vs. 3:45 Camaro

Post by 13CapriceNC » Sun Aug 09, 2020 2:15 am

I went with a 3.27 out of a AT Camaro SS its the 8.6 inch. Installing next weekend. I hope this goes smooth as y'all say lol
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Turbopowered68
Posts: 141
Joined: Thu Nov 05, 2020 1:09 am

Re: 3:27 Chevy SS Diff' vs. 3:45 Camaro

Post by Turbopowered68 » Sun Nov 29, 2020 4:45 pm

13CapriceNC wrote:
Sun Aug 09, 2020 2:15 am
I went with a 3.27 out of a AT Camaro SS its the 8.6 inch. Installing next weekend. I hope this goes smooth as y'all say lol
Update??
2014 Caprice V8
Elgin E-1840 P, LS9 Head gasket, LS7 Lifters, PAC-1218 springs, Trunion upgrade, Single roller timing set, Melling oil pump, ZL1 torque converter, Camaro Trans pan and filter.
1986 GN
212/212 Roller cam, 1.65 HR Rockers, 60-1 turbo, XFI 2.05, E85, Ebay Front mount IC, Husek Built TH200-4R trans, 3.42 gears 3800# .
1968 Chevelle
LQ4, 4L80, 12 bolt w/3.42 gears

13CapriceNC
Posts: 53
Joined: Sun Mar 31, 2019 1:33 pm

Re: 3:27 Chevy SS Diff' vs. 3:45 Camaro

Post by 13CapriceNC » Thu Dec 03, 2020 1:38 am

100% bolt in with no problems what so ever. A great modification to wake up these cars!

GammaFlat
Posts: 192
Joined: Mon Sep 21, 2020 2:26 pm
Location: NW Indiana

Re: 3:27 Chevy SS Diff' vs. 3:45 Camaro

Post by GammaFlat » Sat Dec 12, 2020 2:31 am

I recently got a Camaro 3.27 Diff. I found one at a local junk yard for 350 plus tax (from a '10 Camaro, auto, 6.2, 52K miles). I'll probably be installing in Jan.

I like the fact that the differential is considerably tougher than the 2 "smaller" compatible diff's. I am pondering whether it too tall, however I reserve the right to amend my thoughts after I drive with the 3.27 :D . First gear is a smidgen over 4:1. The next closest common transmission(s) I'm familiar with put first gear at 3:1 (e.g. 4L60, Tremec TR6060). 4:1 first gear is huge relative to what I'm used to. A taller gear also lowers MPG's at highway speeds. The sacrifices we make for fun :).

I guess my point is that the way I (and maybe others) think about rear ends is radically different than the "old days". The 4.11 in my '69 Camaro with a Muncie M21 (2.20:1 First gear) seemed like a stump puller. A 4.11 in a Caprice would certainly be too much for me due to the 4:1 first gear.

The very good news is that we have an incredibly wide transmission (6L80) that makes us happy at the red light and on the highway. 4.0267 1st gear, .6667 6th gear. My Muncie M21 was 2.20 first and 1:1 fourth.
Current: 2013 9C3, deeper trans pan, 12VoltSolutions Remote, Class III hitch, Android Auto capable radio

impalaplt
Posts: 37
Joined: Fri Jun 18, 2021 8:50 am
Location: Tucson, AZ

Re: 3:27 Chevy SS Diff' vs. 3:45 Camaro

Post by impalaplt » Tue May 03, 2022 8:41 pm

I have to opportunity to pick up a COMPLETE 2017 Chevy SS Rear End, from Brake to Brake....

So, what are the advantages (IF ANY) to installing the SS Cradle???

I know the 3.27 gear ratio (Even though the pumpkin is smaller than the Camaro).

The Brembo's (I already have Brembo's to install front and rear anyway).

Maybe a bigger sway bar???

So, Disadvantages???

I Have to drop the whole rear cradle, vs just changing the pumpkin's out....

GammaFlat
Posts: 192
Joined: Mon Sep 21, 2020 2:26 pm
Location: NW Indiana

Re: 3:27 Chevy SS Diff' vs. 3:45 Camaro

Post by GammaFlat » Tue May 03, 2022 10:41 pm

Cost might be a disadvantage. Also, I believe the parking brake is electronic. You may need to convert. I believe it's covered here somewhere.
Current: 2013 9C3, deeper trans pan, 12VoltSolutions Remote, Class III hitch, Android Auto capable radio

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