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QA1 shocks for rear

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Old 06-22-2018, 06:06 AM
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76strokervette
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Default QA1 shocks for rear

Which Qa1 shock for the rear? I have seen TS 403 and TS 508 listed.

Last edited by 76strokervette; 06-22-2018 at 06:08 AM.
Old 06-22-2018, 08:01 AM
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resdoggie
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I have the TN403 non-adjustable on my rear.
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Old 06-22-2018, 02:17 PM
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C3 Stroker
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I have the 403 single adjustable rear shocks on my '69. (TS 403)
https://www.qa1.net/suspension/stree...ker-star-shock
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Old 06-23-2018, 07:05 AM
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Originally Posted by 76strokervette
Which Qa1 shock for the rear? I have seen TS 403 and TS 508 listed.
I got my rear dual adjustable qa1s at summit racing
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76strokervette (06-24-2018)
Old 06-24-2018, 05:06 PM
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CA_WxMan
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Originally Posted by 76strokervette
Which Qa1 shock for the rear? I have seen TS 403 and TS 508 listed.
It looks like 508 is a front shock.
https://www.jegs.com/i/QA1/122/TS508/10002/-1

It's also available as a semi-coilover.
Old 06-24-2018, 05:26 PM
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Originally Posted by CA_WxMan
It looks like 508 is a front shock.
https://www.jegs.com/i/QA1/122/TS508/10002/-1

It's also available as a semi-coilover.
Yes you are correct . What was throwing me off was the Summit site says the 403 shock will not fit my 76.
The 508 is not as long and crosses to my application on the Summit website.
I have heard about limiting the extended length so the half shafts cannot bind and break things.
Old 06-24-2018, 05:31 PM
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I also have the TS403 single adjustables on my 71'. They work great for me...I adjust them for different uses. The double adjustables are probably better but, the singles are fine for average street cars.
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Old 06-25-2018, 01:27 AM
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Originally Posted by 76strokervette
Yes you are correct . What was throwing me off was the Summit site says the 403 shock will not fit my 76.
The 508 is not as long and crosses to my application on the Summit website.
I have heard about limiting the extended length so the half shafts cannot bind and break things.
Summit is wrong.......the 403's are specific for the rear of '68-'82 Corvettes. Perfect extended length. Website info: https://www.qa1.net/suspension/stree...ker-star-shock
Old 06-25-2018, 09:02 AM
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vince vette 2
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Originally Posted by 76strokervette
Yes you are correct . What was throwing me off was the Summit site says the 403 shock will not fit my 76.
The 508 is not as long and crosses to my application on the Summit website.
I have heard about limiting the extended length so the half shafts cannot bind and break things.
Not sure on what you saw on the summit site. I just pulled this:



Pretty much the same suspension when it comes to shocks for all C3's. Just put a set of single adjustable 403's on my '80 this weekend. The max extension was identical to the old Gabriels I pulled off and is within the range that Bair's specifically notes not to exceed when they send a rear end to you.
Old 06-25-2018, 02:52 PM
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Originally Posted by vince vette 2
Not sure on what you saw on the summit site......
I saw the Summit listing that says "no fit", also. If you follow the site directions and enter your car "19xx Corvette", it will say "this part does not fit your Corvette". That info needs to be updated.

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