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Replacing shocks B6 or B8

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Old Nov 12, 2019 | 11:06 PM
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Default Replacing shocks B6 or B8

I have a 2006 drop top with the the Z51 handling package on it. It is my daily driver, like 70 miles a day round trip to work daily driver, it has 117000+ miles on it now and plenty more to enjoy. I bought the car with 54,000 miles on it about 2 1/2 years ago and i think it's almost time for new shocks. I have a chance to buy a full set of new in the box B6 shocks at a very low price. I see that B8's are really the right replacement shocks for it. Would I feel much of a difference with the B6's installed just driving mainly on the interstate.
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Old Nov 12, 2019 | 11:10 PM
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can't tell you the difference between the two but I scored some B6's for like $75ea for my 07Z06...had them on 2 days so far
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Old Nov 13, 2019 | 09:13 AM
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I have a 2006 110K miles with Z51 option, and I had the same decision to make early this Spring. I have my car lowered on stock bolts, so i did purchase the B8 shocks. They give a nice ride, much better than my worn out OEM shocks. We use ours for road trips, so for the most part, we are driving on Interstates to get to our destinations, so a stiffer shock is not much of an issue in our case.
I think that if one wanted a less stiff ride, the B6 would be the choice. There were threads on this topic when I was doing my reseach, but they were inconclusive IMO

Good luck with your decision.
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Old Nov 13, 2019 | 10:27 AM
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B6 for Stock ride height.
B8 for lowered. I just put B6s on my daily driver 07.
Great Shocks
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Old Nov 13, 2019 | 11:24 AM
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At 40k+ miles, I installed the Bilstien sport shocks (now B8) on my 08 Z51. Much improved shock over the oem Z51 shocks in ride, dampening and stability around turns. The B8's were designed as a replacement for Z51 sport suspension which has a slightly lower ride height than the base suspension. The B8's provide a little firmer ride, than the B6 shocks.

If you like the an improved Z51 shock go with the B8's. If you prefer a softer ride go with the B6, but don't expect any handling improvements.

Last edited by Mike's LS3; Nov 13, 2019 at 11:27 AM.
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Old Nov 17, 2019 | 12:33 PM
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My 08 Z51 has the B6 and got rid of the run craps. It's my DD and the ride is much improved. Every crack in the road no longer rattles my bones.
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Old Nov 17, 2019 | 02:24 PM
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Sites have the B8 shocks listed for the C6 Z51 so that is what I would use .. The B8 shocks are made to work properly with the heavier springs of the Z51 suspension..WW

















Last edited by WW7; Nov 18, 2019 at 08:33 AM.
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Old Nov 18, 2019 | 09:18 AM
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Update I'm going with the B6, A person in our club had bought some for his C6 never put them on before he bought his 19 Grand Sport. Gave me a great deal all four never installed for $150.00. I figured i could run them for a year or two and change them back to B8 if needed. Thanks for all the replies.

Last edited by Kirbo; Nov 18, 2019 at 09:25 AM.
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Old Nov 18, 2019 | 01:07 PM
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Originally Posted by Kirbo
Update I'm going with the B6, A person in our club had bought some for his C6 never put them on before he bought his 19 Grand Sport. Gave me a great deal all four never installed for $150.00. I figured i could run them for a year or two and change them back to B8 if needed. Thanks for all the replies.
After putting on a few thousand miles on them, let us all know how you like the performance of the B6.
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Old Nov 18, 2019 | 01:28 PM
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I'll let you know in shortly after the first of the year how they ride.
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Old Dec 9, 2019 | 12:25 PM
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Default Shock replacement

I have had the new B6 shocks on now for close to a month and right away could tell/feel a difference. Of course the old ones had 117,000 miles on them so there should be a big improvement. I did notice that on the old ones the left front was the weakest of the 4 that were removed. I got the car close to 3 years ago and it had 54,000 miles on it. I won't wait so long next time to replace them. The guy I got them from had a C6 and never installed them before he trade it in for a 19 Grand sport. He gave me a great deal of $150 for all four and even helped with the install.
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Old Dec 9, 2019 | 11:12 PM
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I have B6 fronts and B8 rears on Z06 springs. My rear is stiffer over bumps.
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Old Dec 10, 2019 | 07:05 AM
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Originally Posted by James Heracious
I have B6 fronts and B8 rears on Z06 springs. My rear is stiffer over bumps.
It's a very bad idea to mix shock types on any car, it can end with disasterous results..This is especially true if you push the car near it's limits on uneven roads. .When mixing shocks the front and rear then have different return rates which can throw the suspension geometry off... Imagine running with shoes of different heights on each foot, what would that do to your body.? ...WW
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Last edited by WW7; Dec 10, 2019 at 07:16 AM.
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Old Dec 10, 2019 | 07:12 AM
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I went with the B6 Bilstien shocks about a year and a half ago, I would do it again.
I also upgraded the stabilizer bars. Corners like a slot car on the mountain roads.
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Old Dec 10, 2019 | 06:23 PM
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Originally Posted by WW7
It's a very bad idea to mix shock types on any car, it can end with disasterous results..This is especially true if you push the car near it's limits on uneven roads. .When mixing shocks the front and rear then have different return rates which can throw the suspension geometry off... Imagine running with shoes of different heights on each foot, what would that do to your body.? ...WW
.
.
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I think you are confusing spring rates with shocks. The B6 and B8 shocks are not that much different. The B8 is a tad more stiffer with a shorter body. Probably less than 5% stiffee vs the B6.
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