I have bbk shorties right now. They are uncoated. I was gonna either coat them or get the new long-tubes. This is directed more towards those of you who have had both types of headers. What should I do, get the ones I have now coated and keep them, or sell them and get coated long tubes. Are the benefits of long tubes worth the extra money? I would appreciate any info. Thanks, Michael

 

Well if your looking for some H.P. gain's then go with the longtubes. The side affect with long tube is fabbing up a whole new exhaust system $$$. Then if your state allow longtube's cause there not emission cert.

With the shorties, yes there better then stock. But not anywere close to the power gain's of the longtubes.

Vinny

 

typically, shorties are for low end hp/torque, and long tubes are for high end.

i have shorties and a big cam. since the cam doesnt make much power on the low end, it needs all the help it can get there.

 

Rage, thats interesting. I always thought the scavanging of long tube headers were better at low rpm than shorties because the exhaust pulse was in the tube longer so it was able to help pull the next pulse out. With the shorties the first pulse was reduced when it hit the collector too soon. Hummmmm.

 

this is a part of a document, i hope this helps, thomash.


"The length of the tubes from the head to the collector determine the rpm where maximum scavenging occurs.
The stock manifold is short, thus scavenging occurs low in the rpm band; the Pacesetter header which is longer scavenges most in the mid range; and some other brands which are a long tube design are more for the upper rpm range. What this scavenging does is increase the torque in the area of maximum scavenging. So for normal putting around town the stock manifold is the best choice; that is one of the reasons the factory uses that length. The mid-range is the best for most general performance use where acceleration drops into the mid-range rpms and climbs back up. Drag racing and road racing would be two common examples of this. The long tube design is for sustained high rpm running, such as land speed records or Goody's Dash series cars running at Daytona where speeds remain constant with little or no acceleration. The long tube can increase the maximum speed of the a car by increasing the torque at high rpms, but has little use on the street."

--shokor--