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Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 10-27-2003, 09:51 PM   #11
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Damn paul , car is looking tight,!
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Old 10-28-2003, 12:19 AM   #12
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Quote:
Originally Posted by vze3r85p
Damn paul , car is looking tight,!
Thanks ,Us Canadians get our bling on too Dawg.
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Old 10-28-2003, 03:35 AM   #13
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Our 98 yukon has a 5.7L 350. Denali'* got them till the redesign,2000 i think.

Pete, get that exhaust, and i'll get your magnaflow!
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Old 10-28-2003, 01:34 PM   #14
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So is that mandrel bending like what Harley Davidson uses to bend their pipes? They use massive amounts of compressed air. Is this the mandrel bending? Curious...
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Old 10-28-2003, 01:46 PM   #15
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Mandrel bending is when they bend it without kinks in it. Usually when you bend something the opening actually gets smaller as the bend gets sharper, not the case in mandrel bending. Crude example is take a normal straw and bend it 90 degrees, cuts off airflow huh? Now take one of those bendy straws and do the same, flows much better eh? Crude example I know but you get the idea. Hey is this guy up for making headers for a series I? Or is he talking cat-back?
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Old 10-28-2003, 01:50 PM   #16
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Quote:
Originally Posted by DrJay
Mandrel bending is when they bend it without kinks in it. Usually when you bend something the opening actually gets smaller as the bend gets sharper, not the case in mandrel bending. Crude example is take a normal straw and bend it 90 degrees, cuts off airflow huh? Now take one of those bendy straws and do the same, flows much better eh? Crude example I know but you get the idea. Hey is this guy up for making headers for a series I? Or is he talking cat-back?
I understand that. I was asking if it was a different method of maintaining the diameter as what Harley Davidson uses (no mechanical bending, but pneumatic). They use air pressure to maintain the diameter. My question is process-oriented...
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Old 10-28-2003, 01:53 PM   #17
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heh my bad...well uhh...at least you know something twice now..
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Old 10-28-2003, 01:57 PM   #18
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Quote:
Originally Posted by DrJay
heh my bad...well uhh...at least you know something twice now..


No worries, mate...
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Old 10-29-2003, 08:19 PM   #19
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These cars do have a lot of 90 degree bends in their exhausts. I wonder if a straighter exhuast would help them. But I'm not sure how they'd do the muffler.
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Old 10-29-2003, 11:46 PM   #20
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to find out about mandrel bending, try www.howstuffworks.com or google it.
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