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I have done a crossover on my side piped 327, it works very well and isnt in the way. I will take a photo or two and post them for you in the next couple of days.
Hi Guys
here are the images of the sidepipe setup that I promised. I fitted a hotdog muffler in each side to keep the local law happy, system sound and works very well. [IMG][/http://www.photohost.org/gallery/http://www.photohost.org/gallery/showphoto.php/photo/56961/password/0/sort/1/cat/last1/page/2showphoto.php/photo/56966/password/0/sort/1/cat/last1/page/1IMG] [IMG][/IMG]
Had trouble getting the pics to attach to posting, here is the 2nd try.
[img]www.photohost.org/gallery/data/592/4814DSC00697-med.JPG[/img] [img]www.photohost.org/gallery/data/592/4814DSC00694-med.JPG[/img] [img]www.photohost.org/gallery/data/592/4814DSC00693-med.JPG[/img]
Photo attachment attempts were a complete disaster. Go to photohost.org chev corvette and look in the last day or 14 days you will find the photos there. sorry for the inconvienience
The following elegant explanation was posted on the NCRS Board about three years ago by Duke Williams (SWCDuke), and I'm sure he won't mind my sharing it here, and he may want to comment further; I've paraphrased it somewhat.
Without getting into a lot of gory detail, each bank on a Detroit V-8 has uneven firing intervals (0-180-90-270) due to the cruciform crank (as opposed to the "flat" crank used in IRL/Champ Car engines and Ferrari V-8's, which have even firing intervals on each bank). With uneven firing on each bank, the two cylinders that are 90 degrees out of phase are problematic because as the lead cylinder is in the final scavenging phase as its piston passes 90 degrees BTDC on the exhaust stroke, the trailing cylinder blows down, and that pressure wave disrupts scavenging on the lead cylinder.
A balance pipe helps helps dissipate this pressure wave by providing two exit paths - through both exhaust pipes rather than just one. This reduces the intensity of the pressure wave, which reduces noise and lessens the interference with the lead cylinder exhaust stroke, which can enhance torque (and produce a more pleasing exhaust note). This is all highly theoretical, and is subject to many other variables; on a street-driven car, it mostly just makes it sound better.