LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Will I need new motor mounts when putting in mid-length headers?

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Old 06-16-2006, 05:32 PM
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Default Will I need new motor mounts when putting in mid-length headers?

Some say I will, and some say I don't.
Old 06-17-2006, 12:09 AM
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mine came with mid-lengths when i bought, and it has the stock motor mounts, so I would assume no
Old 06-17-2006, 02:56 AM
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This one guy said that one of mine is sagging and that it would vibrate pretty badly with the headers on with the same mounts.
Old 06-17-2006, 08:26 AM
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I would put them in while you are doing the install, I didn't and my collector on the passenger side rubs a little. Now I have to take the headers back out to change the mounts.
Old 06-17-2006, 09:46 AM
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my car has 56k on it, I just got done doing Hooker LT's they fit like a glove and dont hit the floor boards at all
Old 06-17-2006, 10:53 AM
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Originally Posted by z28_theantirice
my car has 56k on it, I just got done doing Hooker LT's they fit like a glove and dont hit the floor boards at all
Well, mine has 178K miles on it. lol.
Old 06-17-2006, 12:43 PM
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I didn't change mine on my 140k mile 94Z when I put in my Edelbrock TES mids/shorties/whatever you wanna call them.

I did however have to unbolt the drivers side mount and jack the engine up a little bit to get the header to drop in place during install. No issues w/ rubbing or anything now though. It's not a big deal if you have to change them anyway while you've got everything apart, what's the problem?
Old 06-17-2006, 02:11 PM
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132k pacesetter LTs no change, there really is no need to change them if there fine, aftermarkedt ones either make the car rattle more (from firmness of the mount) or getting OEM.



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