Header Dyno test


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By Y block Billy - 15 Years Ago
Just wondering How Ted was doing on the header testing? Awaiting results and collecting parts to build my own.
By pegleg - 15 Years Ago
AND, Ted, do you want to try my original Heddman's? I already know they don't work, but.......
By mctim64 - 15 Years Ago
We will be doing a chassis dyno on the new Brick engine soon it would be good to know what you think of those Sanderson headers Ted.  No pressure. BigGrin
By Ted - 15 Years Ago

The header test is simply being delayed due to putting the aluminum cylinder head testing to the forefront.  Header testing itself will be performed in conjunction with ported heads so that differences in exhausts can be more accurately evaluated.

 

Frank.  How close do the Hedman headers come to matching the two tube Reds headers?  I’ve a set of two tube headers here I believe are Reds headers and best I recall they mirror the Hedman headers I tested for Bob Martin’s engine.

By Pete 55Tbird - 15 Years Ago
Ted

   When you refer to Hedman hedders, I have seen two different styles used on Tbirds. One is a tri-Y, where the tubes fall down and join and then those two tubes join. The second was the tubes sweeping up and back and joining together.

   My question is which style are you saying is not that much better than the factory cast iron manifolds or do you mean both? Thanks Pete

By Ted - 15 Years Ago
Pete 55Tbird (4/26/2010)
Ted

   When you refer to Hedman hedders, I have seen two different styles used on Tbirds. One is a tri-Y, where the tubes fall down and join and then those two tubes join. The second was the tubes sweeping up and back and joining together.

   My question is which style are you saying is not that much better than the factory cast iron manifolds or do you mean both? Thanks Pete

Most references to the poor performance is to the two tube style designed for the passenger cars.  The longer tube T-Bird headers from all appearances look to be much better than the stock exhaust manifolds.