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76racer
post Feb 24 2015, 09:50 AM
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Attached ImageHi, can anybody ID the headers in this photo and provide any feedback on them.

Thanks, Joe
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Maltese Falcon
post Feb 24 2015, 01:59 PM
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Hondo Co. Manufactured from the San Fernando Valley. Edelbrock bought them out...but shelved the a/r header program. They utilized the (patented) A/R Cone, which is basically a smaller tube placed just inside the header port of each inlet tube. The theory is that exhaust pulses will continue outbound...and not wind up trying to Reverse itself back towards the exhaust flow (Anti Reversion).
To figure out your tube I.D., use a caliper to measure the primary header tube O.D.
Figuring that your header is constructed from 16 ga. tubing, subtract .125"
(Wall thickness) from 1.5" (od) = 1.375" I.D. or 1 3/8".
Suggestion:
Take off the header wrap...it will disintegrate the pipes.
Marty
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