10-01-2004, 12:37 PM
hey guys, i was woundering what are the difference between shorty and fullsize headers? the reason i ask is because i have full lenght hedmen headers now but i took them off to recoat them with a hi temp paint, the problem is that i can't put them back on my control arm is in the way.will i have the same perfomance with shorty headers? :?
10-01-2004, 01:57 PM
8) The coating made your headers bigger? :lol: I couldn't resist, I don't understand why your headers won't fit after coating. I am not an authority on this subject I do think the configuration of the header changes torque charicteristics, i think shorties in crease torque.
10-01-2004, 07:12 PM
shorties arent much improvement over stock. You'll always get better performance from full length tuned headers.
10-02-2004, 07:03 PM
thanks guys, the problem was that it took me a long and difficult time just so i could take them off so I asumed that I will have a hard time putting them back on. Second I wanted to know if shorty headers will give me the same performance as full if I was to change from full to shorty. : :-(
10-03-2004, 03:47 PM
I don't think shorties come close to full length. I have full length Hookers on mine and it took me from 19.4 seconds to 17.36 seconds in the quarter. My father has shorty heddmans on his Diablo and went from 18.00 to 16.8. He has a larger cam than my puny 194. So its no wonder he is faster. Both cars have 2.5 inch exhaust exiting behind the rears with two 40 series flowmasters and an H pipe done by the same shop. Besides, go to the races and almost everyone has full length on their cars. Sheer numbers speak fo himself
10-04-2004, 11:41 PM
She wants long tubes :cool:
Actually headers work off of sound waves. Whenever there is a pipe size change it will reflect some sound back up the pipe. And of course sound is waves, which means positive and negative pressure pulses. So the magic is getting the right pulse to arrive at the port at the right time. The longer the pipe/tube the longer it takes the pulse to get there, so longer generally emphasizes low end power while shorter emphasizes high end power. And different lengths make scrambled eggs.
Long tubes usually have close to equal length tubes so they actually make a difference. Shortys are a waste. They may flow better than cast iron but lose out on tuning effects completely.