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Old 01-07-2009, 09:44 PM   #10 (permalink)
illflem
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Join Date: Nov 2005
Location: Montana
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Quote:
Originally Posted by BigT18 View Post
So your saying if there's a 3/8" hole in the butterfly, then it will release enough pressure to prevent engine damage?
Yep.
Think the 60lb springs weren't stock until '97 or '98.
Pac-Brake is the only one that has a hole in the butterfly for people who don't want to install 60lb springs.
They also give you a bolt to plug the hole if you do have 60 pounders.
The others require you change the springs and even include them for more $.
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Bill
'95 2500 4wd auto
'95 3500 5 speed heavy hauler
Not stock
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