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

Anyone used the "chalk method" for cutout location?

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Old 09-21-2010, 01:53 AM
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Default Anyone used the "chalk method" for cutout location?

I just read on ls1lt1 about the chalk/cheap spray paint method to find the right place to put a cutout? I couldnt find anything about it on this site and am just curious if this works. Supposedly it's supposed to burn off up to a certain point and thats where your supposed to put the cutout. I know it has something to do with the back pressure, but can someone explain this to me or confirm that this is a good method to use. I'm going to get my cutout installed on friday and I'm still up in the air about where to put it. I am leaning towards putting it right where the axle goes up over the axle just to make it more of a straight shot out once the cutout is open. Also, this is supposed to be the best for low clearance cars. I just hope it's loud enough, anyone have a vid of stock or LT LT1 with the cutout at the bend over the axle? Thanks!
Old 09-21-2010, 04:49 AM
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Do it right before the bend like everyone else does, it sounds deep as hell
Old 09-21-2010, 09:53 AM
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My car in this video is stock exhaust except for an open cutout.
http://www.youtube.com/watch?v=dk-FG_OAO9w
Old 09-21-2010, 11:13 AM
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put it under the rear passenger seat./thread
Old 09-21-2010, 11:58 AM
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That video just reminded again why I hate the sound of cut-outs. Carry on.
Old 09-21-2010, 01:14 PM
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Yea, not the greatest, but better than stock imo. I forgot to say that mine is under the rear passenger seat.
Old 09-22-2010, 01:36 PM
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Originally Posted by my95LTwon
I just read on ls1lt1 about the chalk/cheap spray paint method to find the right place to put a cutout? I couldnt find anything about it on this site and am just curious if this works. Supposedly it's supposed to burn off up to a certain point and thats where your supposed to put the cutout. I know it has something to do with the back pressure, but can someone explain this to me or confirm that this is a good method to use. I'm going to get my cutout installed on friday and I'm still up in the air about where to put it. I am leaning towards putting it right where the axle goes up over the axle just to make it more of a straight shot out once the cutout is open. Also, this is supposed to be the best for low clearance cars. I just hope it's loud enough, anyone have a vid of stock or LT LT1 with the cutout at the bend over the axle? Thanks!
What they forgot about with the spray paint/chalk method is that as soon as you weld in the cross pipe per the burn of the point/chalk, if they were to mark it again they would see the paint burn off in a different spot.
Put it within a few feet of the collector and you will be fine.



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