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Excellent let’s keep up the good work. I’m about the same way. I’m not a professional just done a bunch of them but now it’s been over 30 years so I’ll probably have to start all over again thanks for the update Dean.

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  • 2 weeks later...

Rolling along,, Got the wet line completed, Fuel tanks, front bumper ( herd bumper) still needs a lot of polishing yet to do. Any suggestions on a hood spring Mack isn’t showing it anymore. Maybe some one has a PAI  number ? I haven’t taken it off and measured it with no load. ( One of mine is missing) 

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IMG_1645.jpeg

1 hour ago, mrsmackpaul said:

What does the spring do ?

Paul

They're lift assist for the most part. Gotta think about it a second where they'd be if the hood was closed.  They n=may not look like much, but when they're in good shape they make the hood a lot easier to open and close.  When they're worn out or missing ( as sometimes the hook wears through or they break ) you almost need two people to open the hood, or close it without a hard landing.

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50 minutes ago, mrsmackpaul said:

What sort of physical size are the springs ?

As in diameter and material and length 

 

Paul

They're only around the diameter of the average valve springs.  Wound tighter and a couple feet long. They stretch out almost twice of their relaxed length..  some have a long hooked piece that adds to the length instead of all spring .

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2 hours ago, Mark T said:

They're lift assist for the most part. Gotta think about it a second where they'd be if the hood was closed.  They n=may not look like much, but when they're in good shape they make the hood a lot easier to open and close.  When they're worn out or missing ( as sometimes the hook wears through or they break ) you almost need two people to open the hood, or close it without a hard landing.

I would say "you DO need two people "to close the hood without the spring assist. hard landing may crack fiberglass.

prop the hood 3/4 open laying front on wide stand having a moving blanket (to prevent hood damage) before spring removal. one long spring in closed position libel to catch on engine components. shorter spring with end extensions clears a lot of obstacles

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2 hours ago, Mark T said:

They're only around the diameter of the average valve springs.  Wound tighter and a couple feet long. They stretch out almost twice of their relaxed length..  some have a long hooked piece that adds to the length instead of all spring .

Could a garage door spring front a tilting 

How to Measure Garage Door Torsion Springs | IDC Spring https://share.google/xyoyYEXRk4NstNITe

Or maybe a conduit bending spring 

Screenshot_20250921-130339_Google.thumb.jpg.9b684379534b444d8ebe7b083ec73a73.jpg

 

Paul

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12 hours ago, mrsmackpaul said:

Could a garage door spring front a tilting 

How to Measure Garage Door Torsion Springs | IDC Spring https://share.google/xyoyYEXRk4NstNITe

Or maybe a conduit bending spring 

Screenshot_20250921-130339_Google.thumb.jpg.9b684379534b444d8ebe7b083ec73a73.jpg

 

Paul

garage door springs may be too large of diam also too much spring flopping under hood when closed.  I'd go with above idea of hood spring from another brand if have to. the extensions on ends make a big difference.

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