08-16-2015, 07:07 PM | #1 |
Drives: 2010 Camaro SS Join Date: Oct 2013
Location: Saskatoon SK Can. Eh
Posts: 365
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ZL1 Diff Install
I completed my ZL1 diff install with the stock Zl1 axles, a DSS one piece aluminum drive shaft and the HE offset diff bushings.
Here are the pros and a couple minor cons. Pros: - Peace of mind knowing I have a strong drive line. - The 3.73 gear ratio is just better all around - Car feels lighter even though it is heavier - Posi works like it should - Axle angles are optimal Cons: - Hollow drive shaft transmits a bit more noise but no vibration - A hammer is your only friend when making that big diff fit with the offset bushings but totally worth it. Overall a great mod for 3 grand total and a day in the shop. P.S. Thanks to Hendrix Engineering and Blownfogger
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2010 Camaro SS RS, Maggie with 3.4" pulley, 60# injectors, ADM dual fuel pumps, ADM Stage 2 Cam with Brian Tooley springs and pushrods, black CAI intake, Stainless Works long tube headers w/gutted cats, ZL1 Diff w/offset bushings, Pfadt lowering springs, Pfadt sway bars, Pfadt solid sub frame mounts, BMR trailing arms and toe rods, Hurst short throw shifter, Painted on Hugger Orange stripes, Forgestar F14 Piano Black wheels, Nitto NT05 rubber.
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08-16-2015, 07:23 PM | #2 |
Drives: cars Join Date: May 2011
Location: Oversneeze
Posts: 4,545
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Delrin bushings are transmitting the noise not the driveshaft.
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08-16-2015, 07:46 PM | #3 |
Drives: 2010 Camaro SS Join Date: Oct 2013
Location: Saskatoon SK Can. Eh
Posts: 365
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Lets just say they both contribute.
The noise I am talking about is a clicking from the backlash when shifting at slow speeds.
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2010 Camaro SS RS, Maggie with 3.4" pulley, 60# injectors, ADM dual fuel pumps, ADM Stage 2 Cam with Brian Tooley springs and pushrods, black CAI intake, Stainless Works long tube headers w/gutted cats, ZL1 Diff w/offset bushings, Pfadt lowering springs, Pfadt sway bars, Pfadt solid sub frame mounts, BMR trailing arms and toe rods, Hurst short throw shifter, Painted on Hugger Orange stripes, Forgestar F14 Piano Black wheels, Nitto NT05 rubber.
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08-17-2015, 10:50 AM | #4 |
Future Mopar Owner
Drives: 2011, 2SS/RS, Synergy Join Date: Aug 2012
Location: TN
Posts: 2,373
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I did the swap 2 weeks ago with the blowfogger diff and the HE offset bushings, toe rods, trailing arms, solid subframe bushings, BMR upper control arms, DSS 1 piece CF driveshaft, DSS axles, and did the FE4 conversion with a detroit sway bar.
I have a ton of noises coming from the rear. I have some whine, some groaning when I turn, etc..... I am changing the fluid out from Gibbs (which was suggested by a forum sponsor) to the GM fluid and going to add more FM if it doesn't quiet down. I believe I am experiencing the same "clicking" you are. I, and the builder, assumed it was from the diff hitting the subframe. It had clearance when on the lift and even on the ground. But under load it's obviously different.
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2005 GTO-IBM-A4-Sold
2011 Camaro SS/RS Synergy-1 of 255-Sold You will be missed but you are in good hands! 2019 Challenger Hellcat B5, Redeye, Widebody |
08-17-2015, 12:23 PM | #5 |
Drives: 2010 2SS LS3, 2013 duramax Join Date: Nov 2012
Location: Dover, De
Posts: 1,451
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Mine "groaned" when i turned also. Added some extra limited slip fluid and it went away.
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ECS Ysi-B, cam, Tsp 2" longtubes, Squash dual pumps, Id1300s, meth, 4L80e, FTI 3600, ZL1 3.73 diff, BMR suspension, 15" conversion, weld rts mt 275 et street R. 9.6@147mph
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08-17-2015, 03:27 PM | #6 |
Drives: 2010 Camaro SS Join Date: Oct 2013
Location: Saskatoon SK Can. Eh
Posts: 365
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I believe the clicking is the backlash of the diff. Normally the rubber drive shaft isolators would calm that. I have lots of clearance in the subframe as I removed it completely for the install. The diff has no way to move around with the delrin bushings so I doubt the clicking is from that.
I also have a little whine on decel but I don't care this diff rocks!
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2010 Camaro SS RS, Maggie with 3.4" pulley, 60# injectors, ADM dual fuel pumps, ADM Stage 2 Cam with Brian Tooley springs and pushrods, black CAI intake, Stainless Works long tube headers w/gutted cats, ZL1 Diff w/offset bushings, Pfadt lowering springs, Pfadt sway bars, Pfadt solid sub frame mounts, BMR trailing arms and toe rods, Hurst short throw shifter, Painted on Hugger Orange stripes, Forgestar F14 Piano Black wheels, Nitto NT05 rubber.
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