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Author
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Topic: vacuum secondary springs ,,HELP!
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Rustang
Gearhead Posts: 471
From: Clarion PA
Registered: Nov 2000
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posted 07-30-2002 07:32 PM
   
I'm changing out the spring in my vacuum secondary 750, and I lost the info on what color is stiffest, etc.. Any clues?thanks in advance
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'68 mustang 351 clevor- 10.92@124
'67 Stang, 351W -11.18@118
'69 351C Torino-14.90@100
'78 Pickup 351W-15.56@88
'79 Pickup 460 ET=??
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Moneymaker
Administrator Posts: 19704
From: Lyons, IL, USA
Registered: May 99
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posted 07-30-2002 08:19 PM
Black is the stiffest and yellow is the weakest.  ------------------
Alex Denysenko
Co-Administrator and Moderator/ non 65-66 Mustang owner sensitivity co-ordinator NHRA/IHRA/SRA member
NHRA and IHRA SS/LA National Record Holder '00, '01, & '02
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Part time secret agent license #0089
Professional Manwhore
The Barry of BarrysGrrl
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Rustang
Gearhead Posts: 471
From: Clarion PA
Registered: Nov 2000
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posted 07-30-2002 08:58 PM
The one I took out was white. I replaced it with a silver one, which I think (?) is the original one.
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Kyle
Gearhead Posts: 240
From: Sumner, WA
Registered: Dec 2001
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posted 07-31-2002 12:59 AM
Right from Holley:
Color, Load, Initial, Full:
White, Lightest, --, --
Short Yellow, Lighter, 1620, 5680
Yellow, Light, 1635, 5750
Purple, Med. Light, 1915, 6950
Plain, Medium, 2240, 8160
Brown, Med. Heavy, 2710, 8750
Black, Heavy, 2720, not open
The ranges are for a 350, but should give you an idea.
[This message has been edited by Kyle (edited 07-31-2002).]
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