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Header Dyno test

Posted By Y block Billy 15 Years Ago
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Ted
Posted 15 Years Ago
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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.

Lorena, Texas (South of Waco)


Pete 55Tbird
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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

Ted
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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.

Lorena, Texas (South of Waco)


mctim64
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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

http://forums.y-blocksforever.com/uploads/images/b1f2e0d6-2566-46b3-b81d-3ff3.jpg   God Bless. Smile  Tim                           http://yblockguy.com/

350ci Y-Block FED "Elwood", 301ci Y-Block Unibody LSR "Jake", 312ci Y-Block '58 F-100, 338ci Y-Block powered Model A Tudor

tim@yblockguy.com  Visalia, California    Just west of the Sequoias


pegleg
Posted 15 Years Ago
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AND, Ted, do you want to try my original Heddman's? I already know they don't work, but.......

Frank/Rebop

Bristol, In ( by Elkhart) 


Y block Billy
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Just wondering How Ted was doing on the header testing? Awaiting results and collecting parts to build my own.

55 Vicky & customline

58 Rack Dump, 55 F350 yard truck, 57 F100

59 & 61 P 400's, 58 F100 custom cab, 69 F100, 79 F150, 82 F600 ramp truck, 90 mustang conv 7 up, 94 Mustang, Should I continue?



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