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  Mustangsandmore Forum Archive
  Tool Time
  Valve spring compressor tool

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Author Topic:   Valve spring compressor tool

Posts: 129
From: Sugar Hill, Ga
Registered: May 2006

posted 07-22-2006 09:20 AM     Click Here to See the Profile for ga289stocker        Reply w/Quote
Anyone know what the best tool to use to replace valve springs w/o taking the heads off?


289 A code 4v, 4spd, stock heads 3.55 open, best et 14.44 @97.29


Posts: 3058
From: Spencer, WV
Registered: Jan 2001

posted 07-22-2006 09:53 AM     Click Here to See the Profile for n2oMike        Reply w/Quote
One that screws down on the stud, and uses a handle to lever the spring. Just be sure to knock the retainer on the side with a hammer to break it loose from the keepers first.... or you can bend the tool if forced.

These tools compress the spring and LOCK into place. You can let go of them, and the spring stays compressed. It's a lever deal, and all you have to do is pull back up on it to release the spring.

One that looks like this...

You can buy about any brand of these you want from Summit.

Summit sells their brand for $41.95, a Pro-Form for $44.88, and a Moroso for $79.95


Pro Form


The Summit and Pro Form are cheaper copies of the Moroso unit. I have one designed just like this, but I believe it is a Manley brand. It has removed hundreds of springs, and has never given me any problems. The long handle shown on these is not built on to the tool. It slips over shorter handle. I rarely ever use the longer extension, as there is plenty of leverage without it. Plus, it fits into smaller places easier.

I HIGHLY recommend a tool like this anytime springs need changed on the head.

Good Luck!

Mike Burch
66 mustang real street
302 4-speed 289 heads
10.63 @ 129.3


Posts: 48752
From: Saco, Maine
Registered: May 99

posted 07-22-2006 12:05 PM     Click Here to See the Profile for SteveLaRiviere        Reply w/Quote
Those are good tools, the longer the better for more leverage. I've used those a lot over the years and one tip I have besides buy a good quality one is when you are using it watch the business end very closely because it's easy to damage a valve stem if you gall it with the tool as you compress it.

Are you going to hold the valve up with compressed air or the old fibre rope trick?

'70 Mustang Mach 1 - '70 Mustang Convertible - '72 Mustang Sprint - '94 F-150 XL

All times are ET (US)

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