Front Struts- Which ones?
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Joined: Mar 2009
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From: KCMO
Car: 84 Z28
Engine: BIG!!
Transmission: slow,fast,and faster
Axle/Gears: big one with good stuff inside
Front Struts- Which ones?
Looking at Drag front struts- Alstons, QA1, Koni? Are those the only three brands? Which one do you like and why?
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Joined: Jul 1999
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From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
Re: Front Struts- Which ones?
For strip only, I use Koni SPA1 struts. The extension is adjustable. It would be nice to have a double adjustable style but the Koni's are still better than something like a 90/10 non adjustable strut.
Thread Starter
Junior Member
Joined: Mar 2009
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From: KCMO
Car: 84 Z28
Engine: BIG!!
Transmission: slow,fast,and faster
Axle/Gears: big one with good stuff inside
Re: Front Struts- Which ones?
Do not want 90/10 shocks. The front end will be limited for travel, just want a good strut without spending the money for Santuff stuff.
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From: Orland Park, IL
Car: 1984 Z28
Engine: SLOW carbed ls
Transmission: TH400 with brake, 8" PTC converter
Axle/Gears: moser 9" 4.11
Re: Front Struts- Which ones?
for drag radial car or slicks? If you're limiting travel to 2" or so, don't really know if one strut shines over another when it comes to tuning. I know a lot of guys mod the mustang double adjustable strange struts to fit the camaro spindle. There is also the vari-shocks out now for thirdgens IIRC.
Thread Starter
Junior Member
Joined: Mar 2009
Posts: 20
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From: KCMO
Car: 84 Z28
Engine: BIG!!
Transmission: slow,fast,and faster
Axle/Gears: big one with good stuff inside
Re: Front Struts- Which ones?
Drag radials,car will be BBC,th400,Moser 9 inch with the moser torque arm.
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Joined: Jul 1999
Posts: 17,273
Likes: 171
From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
Re: Front Struts- Which ones?
Shocks/struts are designed to control suspension travel. If you're going to limit the travel, I doubt it will make much of a difference which strut you use. If you want to limit the travel without letting the struts do the work, throw in an inexpensive Lakewood 90/10 and forget about them or just run factory struts.
I have suspension limiters on the front of my car but never use them. When I'm playing around on T&T days, I adjust the struts to full soft and let the suspension extend quickly which results in great wheel stands. During competition, I tighten up the extension and it's enough to keep the front end down with very little wheel stands. On the softest setting, I can grab the front of the car and easily bounce it up and down. If I crank up the setting to the firmest, the front end is solid and I can't move it at all.
When I pull the wheels off the ground and the car comes back down, I want that full suspension travel to absorb the landing. If the travel limiters keep the suspension from fully extending, then the front end comes down harder before the front wheels touch with little travel after that to absorb the landing.
Too soft of a setting and the front end will bounce when it comes back down and will unload the rear tires. Too stiff and it doesn't allow any weight transfer. That's why double adjustables are nice. You can set the extension soft to allow quick weight transfer and have the compression firm so when the front end comes back down, all the energy is absorbed and the front doesn't bounce back up again. Having adjustability is all about tuning. No 2 cars react the same, no 2 racing surfaces are exactly the same. You can adjust the suspension to react to changing conditions.
Only if you can't keep the front end down by tightening up the strut extension do you go ahead and use a travel limiter. Control suspension travel with adjustable shocks/struts before limiting the travel.
I have suspension limiters on the front of my car but never use them. When I'm playing around on T&T days, I adjust the struts to full soft and let the suspension extend quickly which results in great wheel stands. During competition, I tighten up the extension and it's enough to keep the front end down with very little wheel stands. On the softest setting, I can grab the front of the car and easily bounce it up and down. If I crank up the setting to the firmest, the front end is solid and I can't move it at all.
When I pull the wheels off the ground and the car comes back down, I want that full suspension travel to absorb the landing. If the travel limiters keep the suspension from fully extending, then the front end comes down harder before the front wheels touch with little travel after that to absorb the landing.
Too soft of a setting and the front end will bounce when it comes back down and will unload the rear tires. Too stiff and it doesn't allow any weight transfer. That's why double adjustables are nice. You can set the extension soft to allow quick weight transfer and have the compression firm so when the front end comes back down, all the energy is absorbed and the front doesn't bounce back up again. Having adjustability is all about tuning. No 2 cars react the same, no 2 racing surfaces are exactly the same. You can adjust the suspension to react to changing conditions.
Only if you can't keep the front end down by tightening up the strut extension do you go ahead and use a travel limiter. Control suspension travel with adjustable shocks/struts before limiting the travel.
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Joined: Mar 2009
Posts: 20
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From: KCMO
Car: 84 Z28
Engine: BIG!!
Transmission: slow,fast,and faster
Axle/Gears: big one with good stuff inside
Re: Front Struts- Which ones?
. That's why double adjustables are nice. You can set the extension soft to allow quick weight transfer and have the compression firm so when the front end comes back down, all the energy is absorbed and the front doesn't bounce back up again. Having adjustability is all about tuning. No 2 cars react the same, no 2 racing surfaces are exactly the same. You can adjust the suspension to react to changing conditions.
Only if you can't keep the front end down by tightening up the strut extension do you go ahead and use a travel limiter. Control suspension travel with adjustable shocks/struts before limiting the travel.
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Joined: Jul 1999
Posts: 17,273
Likes: 171
From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
Re: Front Struts- Which ones?
Travel limiters won't stop bouncing if the shock setting is too soft.
Thread Starter
Junior Member
Joined: Mar 2009
Posts: 20
Likes: 0
From: KCMO
Car: 84 Z28
Engine: BIG!!
Transmission: slow,fast,and faster
Axle/Gears: big one with good stuff inside
Re: Front Struts- Which ones?
yes I know. I cant find any info on QA1's. Any one know if there Dbl adjustable?
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Joined: Jul 1999
Posts: 17,273
Likes: 171
From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
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