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| exhaust configuration? https://slantsix.org/forum/viewtopic.php?t=65976 |
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| Author: | Badvert65 [ Mon May 17, 2021 4:46 pm ] |
| Post subject: | exhaust configuration? |
OK, so I have been working on getting my exhaust connected to the Clifford shortie headers. My intention is to combine the two separate header tubes into one pipe and then have a full exhaust (muffler and tailpipe) with a cutout for uncapping to race. I am considering two options right off of the headers. The first one is a 2-1 merge pipe with a cut-out (Y pipe) right after the merge. The 'straight outlet would be cut a little shorter than the pic and get a 90* turnout that can be capped off. The 'angled' tube will go over to the rest of the muffler/exhaust. Attachment:
The merge pipe is basically positioned right next to the (automatic) transmission. The problem here is that the cut-out pipe (straight section) is then very close to the crossmember that the trans mount bolts to. I found an X-pipe that I think can be a better fit. Attachment: x-pipe.jpg [ 46.56 KiB | Viewed 3378 times ] My question is whether the merge pipe or the X-pipe would be best for a drag racing application. I welcome all ideas on this. |
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| Author: | Badvert65 [ Tue May 18, 2021 5:07 am ] |
| Post subject: | Re: exhaust configuration? |
I guess my main question is whether the merge between the two header sets is considered a collector and whether the shape is of any importance. If nothing else, I am going with the second setup as it will greatly simplify getting my exhaust configured. Anyone in need of a 2 1/2 inch 2-1 merge pipe or a 2 1/2 inch exhaust cutout? |
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| Author: | Dart270 [ Tue May 18, 2021 6:19 am ] |
| Post subject: | Re: exhaust configuration? |
I would really consider putting the cutout 12-24" behind the Y-pipe, and/or moving the Y-pipe back just behind the trans X-member. You will generally make more power with the Y-pipe junction at or just behind the X-member, then I would put the cutout Y about 6-18" behind that. There are not huge gains to be had here, but a few HP and easier access/packaging would be 2 gains in one. Lou |
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