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question about flowtech headers

mdaitc

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mdaitc New Member

mdaitc

Posted
Posted

Hi,

 

i've got a Chevy 1983 K20 4wd truck, and am putting headers on it.

 

I originally bought the flowtech 11500flt and ran into the problem that the right side rubs the front drive shaft, but the left side went on fine. These have a 1.5" tube and 3" collector

 

I contacted flowtech, and they said try the 11506flt as it sits up higher. These have a 1 5/8" tube and 2.5" collector. I got me a set of those, and the right side goes on fine, but the left side now hits the clutch linkage.

 

So my question is, do i have to use "balanced" headers? or can i use one from each set? Are there any problems with using different sized headers on each side?

 

Thanks,

 

Matt

70 gmc with 383 stroker Enthusiast

70 gmc with 383 stroker

Posted
Posted

equal length headers are completely over rated. Anyone that has completed a large amount of dyno testing would be able to confirm that to you... is one a shorty and the other full length? that may cause a noticeable difference in torque, though other than that if there are differences of up to 8 inches in pipe length from the one header to the next it won't matter

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