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Front struts

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Old Oct 13, 2021 | 06:50 AM
  #1  
cmk-2's Avatar
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From: North west Fl
Car: Corvette ZR-1
Engine: LT-5
Transmission: 6 sp
Front struts

Hello everyone,
I have an 1987 IROC with 110,000 miles and still has the factory front struts. Want to keep the original ride and not tighten it up as I like to Daily drive it. Lookin at Ac/Delco or KYB but have read that you have to change the upper front strut mount for the KYB to fit. I have NOS AcDelco upper mounts and don't want to buy after market upper mounts. Has anyone else had this trouble with KYB?

Thanks for any insight
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Old Oct 13, 2021 | 09:06 PM
  #2  
soulbounder's Avatar
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From: Tomball, TX
Car: 89 TTA
Engine: Turbo 3.8
Transmission: 200R4
Re: Front struts

If you are looking for a floaty, original type ride, you should be able to run the KYB GR-2/Excel-G struts. I have them on my 89 with original type strut mounts.
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Old Oct 13, 2021 | 09:31 PM
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2knight's Avatar
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From: Bismarck, ND
Car: 1982 Trans Am
Engine: 5.7 ls1
Transmission: 4l60e
Axle/Gears: 3.23
Re: Front struts

I am running the kyb agx adjustable struts and didnt have to change out the upper mounts. Simple bolt in deal. Since they are adjustable you can have stock ride on setting 1 or 2.
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Old Oct 14, 2021 | 06:46 AM
  #4  
cmk-2's Avatar
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From: North west Fl
Car: Corvette ZR-1
Engine: LT-5
Transmission: 6 sp
Re: Front struts

Thanks great info! I purchase the KYB adjustable.
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Old Jan 5, 2022 | 10:17 PM
  #5  
tchoupshop's Avatar
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From: New Orleans, LA
Car: 1989 Firebird Formula
Engine: L03 5.0 TBI
Transmission: 700R4
Re: Front struts

Any recommendations for struts somewhere in between stock and track in this day and age, where it seems most somewhat-sporty shocks have been discontinued for the platform?
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Old Jan 6, 2022 | 04:29 AM
  #6  
T.L.'s Avatar
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From: Colorado USA
Car: '83 Firebird (T/A Clone)
Engine: 350 with L-69 components
Transmission: 700R-4, 2000 RPM stall converter
Axle/Gears: 10-bolt/3.73 ..
Re: Front struts

I don't think there's any "in between". It's either stock replacement, or performance (like KONI)...
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Old Jan 10, 2022 | 04:27 PM
  #7  
50chevy3600's Avatar
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Car: 86 Sport coupe
Engine: 350
Transmission: 7004r
Re: Front struts

Does the upper strut mount need to be replaced/ does it wear out? I'm getting new struts, and deciding if I need the upper mount.
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Old Jan 10, 2022 | 09:17 PM
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Re: Front struts

Yes it does wear out.

"Need" is somewhat subjective. Obviously if it has play or binds or whatever, then yes. Otherwise, it's something of a judgment call.
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Old Jan 11, 2022 | 06:29 PM
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Re: Front struts

Originally Posted by 50chevy3600
Does the upper strut mount need to be replaced/ does it wear out? I'm getting new struts, and deciding if I need the upper mount.
I got ya covered in two easy pics.
If your's looks like the old skanky one here that's no longer centered due to it's rubber deteriorating, yep, they gotta go.
If they look all nice & centered because the rubber hasn't collapsed like in the other pic, and they turn freely with no play, whether or not they are all shiny, then they can stay....



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