c3vettelover

I am going to put a set of headers on my 78, but I wanted to hear from some of you guys on the shorties (block huggers) vs. long tube headers. Is anyone using the shorties? Is there much difference clearance wise under the car between the 2? Installation for both seems pretty straight forward....!?

Thanks in advance.... :cool:

vettfixr

The only thing I've ever read about the shorties is that they don't give you the benefits and increased horsepower as much as the full length. I have the Dynomax Ceramacoats on mine and there are no clearance issues.

Eddie 70

I have shorties on mine. There are no clearance problems with the ground if that is what you are asking. The pipes run in the same path that the stock pipes run. Hope this helps some.

Fevre

Long tube headers breath better, the more hp you make the bigger gains you will see. If you are talking about a stock eng I would just stay with the rams horns but you are going to upgrade and add true duals then the long tubes are the way to go.

GRAYGHOST

I put the Dynomax headers on my 78 with no problems!

LemansBlue68

Short headers offer improved flow over factory manifolds because the tubing has smoother contours than the original cast manifolds so they are less of a restriction to flow. The tubes are too short to take advantage of "tuning" the exhaust pulses so that they work to increase the engine's breathing around your torque peak.

The length of the primary tubes on the long tube headers is established by the time it takes for the exhaust pulse to reach the end of the tube and then reflect back up the tube. The pulse travels down the tube and back up at speed of sound. The idea is that the exhaust pulse from the previous cycle reflects back up to the exhaust valve at the optimum moment to pull additional intake charge into the cylinder during valve overlap of the next exhaust/intake cycle. This only works over a narrow range of engine speeds, generally around the engine's torque peak RPM.