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Author Topic:   90/10 shock question
V8 Thumper
Gearhead

Posts: 4377
From: Arizona
Registered: Dec 2001

posted 04-02-2003 09:53 AM     Click Here to See the Profile for V8 Thumper   Click Here to Email V8 Thumper     Edit/Delete Message   Reply w/Quote
(stupid question )

90/10's restrict rebound, correct? When I run my car through the gears at WOT, the front end gets awfully light , but it gets a bit spooky

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1965 GT coupe, 333ci aluminum headed/solid cammed stroker, four speed, 3.70:1 9"

All Blue Oval, no blue bottle
http://mustangsandmore.50megs.com/V8Thumper.html

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rockafellz
Gearhead

Posts: 1426
From: San Lorenzo, CA, USA
Registered: Aug 2001

posted 04-02-2003 10:17 AM     Click Here to See the Profile for rockafellz   Click Here to Email rockafellz     Edit/Delete Message   Reply w/Quote
Yes, it should expand quickly and compress slowly keeping the front end up. dude. What kind did you get?

Erik

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1966 Ford Mustang 2+2
Mine - Restomod in Progress

1966 Ford Mustang Coupe
Dad's - Original Unrestored

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Moneymaker
Administrator

Posts: 25883
From: Lyons, IL, USA
Registered: May 99

posted 04-02-2003 10:42 AM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
10% upward travel resistance and 90% downward resistance.

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Alex Denysenko
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V8 Thumper
Gearhead

Posts: 4377
From: Arizona
Registered: Dec 2001

posted 04-02-2003 11:41 AM     Click Here to See the Profile for V8 Thumper   Click Here to Email V8 Thumper     Edit/Delete Message   Reply w/Quote
Erik- I've got just plain 'ol KYB gas-adjust shocks all the way around, nothing special. Slide-a-Links really load up the chassis and point the nose skyward I know I need a serious shock upgrade.

Especially above 80 mph, the front end really wants to dance around. What can I do to help stabilize the WOT stability?

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1965 GT coupe, 333ci aluminum headed/solid cammed stroker, four speed, 3.70:1 9"

All Blue Oval, no blue bottle
http://mustangsandmore.50megs.com/V8Thumper.html

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Fastymz
Moderator

Posts: 18703
From: Reno Nv USA MEM#1240
Registered: Apr 2001

posted 04-02-2003 12:23 PM     Click Here to See the Profile for Fastymz   Click Here to Email Fastymz     Edit/Delete Message   Reply w/Quote
Todd the 90-10's will make the front end more lite.
But they might do a better job of making the front more stabile.
My old shocks were all worn out.Once I put the 90-10's the front ends lifts more easy and faster,but the car still seems alot more stabile now.
And now when I go over a rise in the road way of anykind.You'd swear you were flying.

SPOOKY,thats just part of the fun.

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SCOOP
oddly obsessed with big scoops on little Mustangs

2.26 60'S
14.9 @ 90.86MPH

65 coupe,351w,C4,Big Boss 429 hood scoop,8"3.40 TracLoc,Cragar SS,Black Suede.

https://mustangsandmore.com/ubb/Fastymz.html

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V8 Thumper
Gearhead

Posts: 4377
From: Arizona
Registered: Dec 2001

posted 04-02-2003 12:32 PM     Click Here to See the Profile for V8 Thumper   Click Here to Email V8 Thumper     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by Fastymz:
SPOOKY,thats just part of the fun.


If driving one of these was easy, the boyz would drive them instead of ricers

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1965 GT coupe, 333ci aluminum headed/solid cammed stroker, four speed, 3.70:1 9"

All Blue Oval, no blue bottle
http://mustangsandmore.50megs.com/V8Thumper.html

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Fastymz
Moderator

Posts: 18703
From: Reno Nv USA MEM#1240
Registered: Apr 2001

posted 04-02-2003 12:56 PM     Click Here to See the Profile for Fastymz   Click Here to Email Fastymz     Edit/Delete Message   Reply w/Quote
Todd what does the front end do?

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SCOOP
oddly obsessed with big scoops on little Mustangs

2.26 60'S
14.9 @ 90.86MPH

65 coupe,351w,C4,Big Boss 429 hood scoop,8"3.40 TracLoc,Cragar SS,Black Suede.

https://mustangsandmore.com/ubb/Fastymz.html

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bluestreek
Gearhead

Posts: 1724
From: Athens,GA
Registered: Jul 2001

posted 04-02-2003 02:05 PM     Click Here to See the Profile for bluestreek   Click Here to Email bluestreek     Edit/Delete Message   Reply w/Quote

My '66 front end is really light too even with standard gas shocks. Under full throttle my front end feels like it's floating and I can actually feel it move over to the left sometimes if it settles down quickly. What would cause that? Like you say, it's really "spooky".

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1966 Mustang Coupe: Custom glass hood and BIG scoop sits atop a 289 stroked to 331 c.i., Steel crank and girdle, 5.4 H-beams, Forged slugs, TFS alum. heads, ported Stealth 8020 intake, Xtreme 274 Solid Roller, Holley 750 HP, long tubes, 4speed, 9" 3.50 posi.
2nd pass: 12.11 @ 114 mph
DanH

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Fastymz
Moderator

Posts: 18703
From: Reno Nv USA MEM#1240
Registered: Apr 2001

posted 04-02-2003 03:03 PM     Click Here to See the Profile for Fastymz   Click Here to Email Fastymz     Edit/Delete Message   Reply w/Quote
Dan I'd check your allignment make sure it's good.Maybe thats why it pulls to the left when it settles down quick.

OR,don't get off the gas so it won't settle down.

You both may need a rear brake steering set up.

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SCOOP
oddly obsessed with big scoops on little Mustangs

2.26 60'S
14.9 @ 90.86MPH

65 coupe,351w,C4,Big Boss 429 hood scoop,8"3.40 TracLoc,Cragar SS,Black Suede.

https://mustangsandmore.com/ubb/Fastymz.html

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V8 Thumper
Gearhead

Posts: 4377
From: Arizona
Registered: Dec 2001

posted 04-02-2003 03:06 PM     Click Here to See the Profile for V8 Thumper   Click Here to Email V8 Thumper     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by Fastymz:
Todd what does the front end do?


It wants to leave the ground

Like Dan said, the weight transfer is so dramatic that the front wheels aren't doing much. Stroker power in a 3000# car sucks, hua?

------------------
1965 GT coupe, 333ci aluminum headed/solid cammed stroker, four speed, 3.70:1 9"

All Blue Oval, no blue bottle
http://mustangsandmore.50megs.com/V8Thumper.html

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Fastymz
Moderator

Posts: 18703
From: Reno Nv USA MEM#1240
Registered: Apr 2001

posted 04-02-2003 03:29 PM     Click Here to See the Profile for Fastymz   Click Here to Email Fastymz     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by V8 Thumper:
It wants to leave the ground

Like Dan said, the weight transfer is so dramatic that the front wheels aren't doing much. Stroker power in a 3000# car sucks, hua?



Yea I really feel for you.
You could always trade me motors. My tires don't leave the ground but the front does fill alittle lite for time to time.

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SCOOP
oddly obsessed with big scoops on little Mustangs

2.26 60'S
14.9 @ 90.86MPH

65 coupe,351w,C4,Big Boss 429 hood scoop,8"3.40 TracLoc,Cragar SS,Black Suede.

https://mustangsandmore.com/ubb/Fastymz.html

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H8CHEVY
Gearhead

Posts: 280
From: Southern Cali
Registered: Jun 2000

posted 04-02-2003 05:46 PM     Click Here to See the Profile for H8CHEVY   Click Here to Email H8CHEVY     Edit/Delete Message   Reply w/Quote
Just put a big old scoop on the hood for wind resistance to hold the front end down!

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"In the wise words I was once told bye Jiggy"

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bluestreek
Gearhead

Posts: 1724
From: Athens,GA
Registered: Jul 2001

posted 04-02-2003 09:25 PM     Click Here to See the Profile for bluestreek   Click Here to Email bluestreek     Edit/Delete Message   Reply w/Quote
Hey Scoop, if you ever get you some good flowing heads on that 351W You'll know what we're talking about. It don't just raise the front when you punch it. It keeps the front up and holds it there until you back off the gas! Then while it's up in the air the steering geometry goes crazy!

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1966 Mustang Coupe: Custom glass hood and BIG scoop sits atop a 289 stroked to 331 c.i., Steel crank and girdle, 5.4 H-beams, Forged slugs, TFS alum. heads, ported Stealth 8020 intake, Xtreme 274 Solid Roller, Holley 750 HP, long tubes, 4speed, 9" 3.50 posi.
2nd pass: 12.11 @ 114 mph
DanH

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steve'66
Gearhead

Posts: 8826
From: Sonoma,CA,USA
Registered: Mar 2000

posted 04-02-2003 10:22 PM     Click Here to See the Profile for steve'66   Click Here to Email steve'66     Edit/Delete Message   Reply w/Quote
Todd,

I know what you mean. Does it handle like a p/u truck with too much weight in the bed? If it does then e-mail me for the low cost fix.

SteveW

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Fastymz
Moderator

Posts: 18703
From: Reno Nv USA MEM#1240
Registered: Apr 2001

posted 04-03-2003 12:41 AM     Click Here to See the Profile for Fastymz   Click Here to Email Fastymz     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by steve'66:
Todd,

I know what you mean. Does it handle like a p/u truck with too much weight in the bed? If it does then e-mail me for the low cost fix.

SteveW


Hey Steve how about telling me too.
Mine feels like driving a really fast boat.

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SCOOP
oddly obsessed with big scoops on little Mustangs

2.26 60'S
14.9 @ 90.86MPH

65 coupe,351w,C4,Big Boss 429 hood scoop,8"3.40 TracLoc,Cragar SS,Black Suede.

https://mustangsandmore.com/ubb/Fastymz.html

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bluestreek
Gearhead

Posts: 1724
From: Athens,GA
Registered: Jul 2001

posted 04-03-2003 09:05 AM     Click Here to See the Profile for bluestreek   Click Here to Email bluestreek     Edit/Delete Message   Reply w/Quote
Yeah Steve, me too. Don't hold out on us. We love you man!

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1966 Mustang Coupe: Custom glass hood and BIG scoop sits atop a 289 stroked to 331 c.i., Steel crank and girdle, 5.4 H-beams, Forged slugs, TFS alum. heads, ported Stealth 8020 intake, Xtreme 274 Solid Roller, Holley 750 HP, long tubes, 4speed, 9" 3.50 posi.
2nd pass: 12.11 @ 114 mph
DanH

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steve'66
Gearhead

Posts: 8826
From: Sonoma,CA,USA
Registered: Mar 2000

posted 04-03-2003 11:21 AM     Click Here to See the Profile for steve'66   Click Here to Email steve'66     Edit/Delete Message   Reply w/Quote
Add more caster to the front end alignment. That'll keep the front wheels pointed straight.

SteveW

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