[ QUOTE ]
[ QUOTE ]
Hello,
I am really thinking about installing some headers on my stock 70 LS5 Chevelle. The exhaust manifolds that are on the car are not the right ones and will have to come off at some point anyway. This is a #'s matching style car that is driven just about every weekend. I am not too worried about changing gaskets if needed. Call me crazy, but I love stock appearing musclecars wih a nice sounding aftermarket exhaust along with headers. But I also like the simple and correct look of the factory exhaust manifolds. (I would have to find the correct ones of course..)
So my question is this... Who all runs headers on their mostly stock/restored cars?
[/ QUOTE ]A few things to keep in mind. 1-the headers won't add any power that you'll actually feel in the seat of your pants.2-the car will be a bit noisier inside, as sound dissipates out the tubes more than cast iron and will be heard through the firewall.3-because of the sound bleeding through as explained in #2, the exhaust out the rear of the car may actually be a bit quieter as a result
[/ QUOTE ]
I have to disagree. The headers will allow more air out of the motor which will push more air/sound through the mufflers and out the back.
As far as seat of the pants. I am thinking there will be a noticable difference. I have a fairly healthy motor that was built by Langenfelter years ago and it needs to breath more IMO.