08-15-2006, 07:03 PM
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Doug Thorley Tri-Y headers
I just bought a set of Doug's Tri-Y headers for my 68. When I looked at their catalog, they only listed ceramic coated (375Y) and natural (375Y-R) headers, but mine are chrome plated. Does anyone know when Doug's started making this style of headers or when they stopped making chrome ones?
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My 68 is all in pieces. Here's the latest (updated March 10, 2009 - Front subframe back on, but not much else done. The new stuff's on the last page): http://www.cardomain.com/ride/2234428 
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08-18-2006, 07:54 AM
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Not sure to be honest.
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08-18-2006, 08:24 AM
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call there tech line. im sure youll find all your questions answered.
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08-21-2006, 04:35 PM
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Nobody appears to want to answer their phones. To make things worse, apparently, Doug Thorley owned two different header companies: Doug's Headers (later sold to Pertronix) and Doug Thorley Headers (later sold to Summit Performance). They even used the same model numbers! I called Doug's Headers first and found all this out from the tech. So, now I have the Doug Thorley 375Y headers, originally sold for 67-69 Camaros, but replaced with 376Y headers, which are now the ones listed for Camaros, while the 375Ys are relegated to Chevelles and El Caminos.....
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My 68 is all in pieces. Here's the latest (updated March 10, 2009 - Front subframe back on, but not much else done. The new stuff's on the last page): http://www.cardomain.com/ride/2234428
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