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SVT Shelby GT500
Boss 302 Quad Pipes on a GT500
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<blockquote data-quote="Tob" data-source="post: 11145110" data-attributes="member: 83412"><p>I had some free time this afternoon so I tried to squeeze in as much as I could. I started by deciding what sections of the pipe I purchased would work. I bolted the quad pipes in place at the rear mount and then wired up the front section so that the pipes were pretty much located where they could stay, once done. </p><p></p><p>I then held up the pre-bent portion of pipe I purchased and marked where I saw the best fit, plus some more just so I wouldn't be short. I didn't measure anything but instead used my good eye <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink ;)" loading="lazy" data-shortname=";)" />. I then laid the pipe on my makeshift work table outside and sharpened up my cut marks. I used the cardboard roll that remains once all the tape it once had wrapped around it is gone to get a neat circumferential cut line.</p><p></p><p>[ATTACH=full]243799[/ATTACH]</p><p></p><p>[ATTACH=full]243800[/ATTACH]</p><p></p><p>As much as I could have pulled out my chop saw, I prefer to make the cuts by hand with a 4" grinder and a cut off disc.</p><p></p><p>[ATTACH=full]243801[/ATTACH]</p><p></p><p>I then pulled out my extra "H-pipe" section from Shelby Parts to use as a guide when scribing the pipe in order to cope it properly. I started with some "V" cuts made with the cut off disc and then shaped the pipe from there with my "Home Depot Special" air die grinder.</p><p></p><p>[ATTACH=full]243802[/ATTACH]</p><p></p><p>[ATTACH=full]243803[/ATTACH]</p><p></p><p>A slight bevel allowed for a really nice fit for the 2" to 2-1/2" joint...</p><p></p><p>[ATTACH=full]243804[/ATTACH]</p><p></p><p>I then slipped back under the car and marked where I had to trim the other end of the pipe. The following shows essentially what I'm doing under the car to the installed "H-pipe"...</p><p></p><p>[ATTACH=full]243805[/ATTACH]</p><p></p><p>[ATTACH=full]243806[/ATTACH]</p><p></p><p>I held the pipe where I felt best and traced around where I wanted to weld on the flanged stub sections.</p><p></p><p>[ATTACH=full]243807[/ATTACH]</p><p></p><p>I drilled a pilot hole concentric to the laid out hole and then used a 1-3/4" hole saw mounted in an 18v cordless drill...</p><p></p><p>[ATTACH=full]243808[/ATTACH]</p><p></p><p>While I had a 2" diameter hole saw, I elected not to use it. I wanted to leave some meat for minor adjustment and just cleaned up the hole with the die grinder once I knew exactly where I'd be adding the stub sections. I drilled at a fairly low rpm and used cutting oil as well. It worked better than I expected, being that stainless can be difficult to cut/drill sometimes.</p><p></p><p>[ATTACH=full]243809[/ATTACH]</p><p></p><p>[ATTACH=full]243810[/ATTACH]</p><p></p><p>Welding the pipe in, even if only some quick tacks, was a challenge as well. Not much room to maneuver my head and arms, plus holding the pipe where I wanted it to be and being able to weld wasn't that easy. I placed the necessary tacks to hold everything in place until I can unbolt the entire pipe from the exhaust manifolds/rear pipes and weld everything up on a table.</p><p></p><p>[ATTACH=full]243811[/ATTACH]</p><p></p><p>[ATTACH=full]243812[/ATTACH]</p><p></p><p>[ATTACH=full]243813[/ATTACH]</p><p></p><p>Family duties cut me short but I got started on the other side. Pretty much rinse, wash, repeat...</p><p></p><p>[ATTACH=full]243814[/ATTACH]</p><p></p><p>[ATTACH=full]243815[/ATTACH]</p><p></p><p>[ATTACH=full]243816[/ATTACH]</p><p></p><p>[ATTACH=full]243817[/ATTACH]</p><p></p><p>More later...</p></blockquote><p></p>
[QUOTE="Tob, post: 11145110, member: 83412"] I had some free time this afternoon so I tried to squeeze in as much as I could. I started by deciding what sections of the pipe I purchased would work. I bolted the quad pipes in place at the rear mount and then wired up the front section so that the pipes were pretty much located where they could stay, once done. I then held up the pre-bent portion of pipe I purchased and marked where I saw the best fit, plus some more just so I wouldn't be short. I didn't measure anything but instead used my good eye ;). I then laid the pipe on my makeshift work table outside and sharpened up my cut marks. I used the cardboard roll that remains once all the tape it once had wrapped around it is gone to get a neat circumferential cut line. [ATTACH=full]243799[/ATTACH] [ATTACH=full]243800[/ATTACH] As much as I could have pulled out my chop saw, I prefer to make the cuts by hand with a 4" grinder and a cut off disc. [ATTACH=full]243801[/ATTACH] I then pulled out my extra "H-pipe" section from Shelby Parts to use as a guide when scribing the pipe in order to cope it properly. I started with some "V" cuts made with the cut off disc and then shaped the pipe from there with my "Home Depot Special" air die grinder. [ATTACH=full]243802[/ATTACH] [ATTACH=full]243803[/ATTACH] A slight bevel allowed for a really nice fit for the 2" to 2-1/2" joint... [ATTACH=full]243804[/ATTACH] I then slipped back under the car and marked where I had to trim the other end of the pipe. The following shows essentially what I'm doing under the car to the installed "H-pipe"... [ATTACH=full]243805[/ATTACH] [ATTACH=full]243806[/ATTACH] I held the pipe where I felt best and traced around where I wanted to weld on the flanged stub sections. [ATTACH=full]243807[/ATTACH] I drilled a pilot hole concentric to the laid out hole and then used a 1-3/4" hole saw mounted in an 18v cordless drill... [ATTACH=full]243808[/ATTACH] While I had a 2" diameter hole saw, I elected not to use it. I wanted to leave some meat for minor adjustment and just cleaned up the hole with the die grinder once I knew exactly where I'd be adding the stub sections. I drilled at a fairly low rpm and used cutting oil as well. It worked better than I expected, being that stainless can be difficult to cut/drill sometimes. [ATTACH=full]243809[/ATTACH] [ATTACH=full]243810[/ATTACH] Welding the pipe in, even if only some quick tacks, was a challenge as well. Not much room to maneuver my head and arms, plus holding the pipe where I wanted it to be and being able to weld wasn't that easy. I placed the necessary tacks to hold everything in place until I can unbolt the entire pipe from the exhaust manifolds/rear pipes and weld everything up on a table. [ATTACH=full]243811[/ATTACH] [ATTACH=full]243812[/ATTACH] [ATTACH=full]243813[/ATTACH] Family duties cut me short but I got started on the other side. Pretty much rinse, wash, repeat... [ATTACH=full]243814[/ATTACH] [ATTACH=full]243815[/ATTACH] [ATTACH=full]243816[/ATTACH] [ATTACH=full]243817[/ATTACH] More later... [/QUOTE]
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