Anyone have to notch their frame for exhaust.
I went to slide my ls3 exhaust manifolds on after I had already positioned the motor mounts and trans x member. Well they dont fit in between the frame. Anyone else had this problem? I think I seen somebody notch the frame in the projects but maybe I am wrong really didnt want to move the motor but it is what it is. Thanks
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Re: Anyone have to notch their frame for exhaust.
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it was a real pain getting the shaft routed around them too, hope you dont have that problem. |
Re: Anyone have to notch their frame for exhaust.
There are cast manifolds made by hooker and others that may have the collector tucked in a bit more? Just a suggestion.
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Re: Anyone have to notch their frame for exhaust.
I'd first sort though listings for oem LS manifolds for that side or both sides.
Check on some of the LS swap groups and pages to snoop out factory manifolds that tuck in closer. On the right side on my 71 GMC with the 500 Cad my son and I heated and then reshaped the area on the frame where the right manifold hit the frame. You don't really notice it unless you are looking for it and it didn't take any strength away like cutting the frame would. |
Re: Anyone have to notch their frame for exhaust.
those are car manifolds in my picture, mr48, and you may not be up on the models but the LS3 is a car engine too.
the car manifolds are a lot smaller and closer like you say, the truck manifolds on the 5.3 would have needed step notches haha. |
Re: Anyone have to notch their frame for exhaust.
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Re: Anyone have to notch their frame for exhaust.
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thats whats in my picture too. i was telling mr48 his advice to visit the ls forums and ask about manifolds would yield the same result, the camaro manifolds are the the ones everyone uses for tight areas. raising the motor is a possibility, I see guys selling mounts for 5.3 that keep the truck oil pan and manifolds, although at the expense of a lot of floor real estate in trans and driveshaft tunneling. |
Re: Anyone have to notch their frame for exhaust.
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I had my guy notch my frame rail for 2016 Camaro SS manifolds.
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Re: Anyone have to notch their frame for exhaust.
Sanderson makes a set. You can look at my build for pics
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Re: Anyone have to notch their frame for exhaust.
Trailblazer SS manifolds hug tight. I have them on my LS and there is tons of space. GM part, cheaper than aftermarket too.
http://dshillingphoto.net/photos/luc...uck%20mani.jpg |
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