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Old 11-20-2018, 10:09 AM   #1
CJM72
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Doug Thorley THY-324Y-C LS swap headers

Brand new set of Doug Thorley THY-324Y-C LS swap headers for 2wd and 4wd 67-72 GM Trucks (C10, K10, K5, etc.). Bought and mounted on my K5 but went in a different direction, so my loss is your gain. They have been mounted per the pictures, but are absolutely brand new. Bolted in nicely, but were almost touch my firewall. Didn't want to move my engine and trans of dent my firewall at this point. Fit great, but my motor mounts are just slightly too high. These cost $650 new. I'm asking $450 plus shipping. Still have all hardware, gaskets, collectors, and instructions.
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THY-324Y-C Headers:
- Made in the USA with limited lifetime warranty
- Extra thick 14GA tubing and 3/8 inch thick flanges
- 1 5/8" primaries with 3" collectors with 2.5" adapters
- Ceramic coated inside and out
- Kit includes all required gaskets and/or installation hardware
https://www.summitracing.com/parts/dte-324y-c
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Old 11-21-2018, 11:04 AM   #2
knomadd
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Re: Doug Thorley THY-324Y-C LS swap headers

Man, this is an awesome deal! I love mine in my 71! They fit and look really good. Good luck with your sale.
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Old 11-21-2018, 11:30 AM   #3
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Re: Doug Thorley THY-324Y-C LS swap headers

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Originally Posted by knomadd View Post
Man, this is an awesome deal! I love mine in my 71! They fit and look really good. Good luck with your sale.
They are awesome! Quality is great and they look killer. I'd make them fit, but I have so many other loose ends to focus on with my swap, that I just threw on the ls3 manifolds I had in my garage. If they don't sell by the time I have this running, I may try to make them work again.
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Old 11-23-2018, 12:26 AM   #4
Blazerowner
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Re: Doug Thorley THY-324Y-C LS swap headers

What is the crossmember you used for the swap? What transmission? Do you have any pics of the passenger side?
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Old 11-23-2018, 08:04 AM   #5
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Re: Doug Thorley THY-324Y-C LS swap headers

I used a Dirty Dingo 4x4 crossmember. I have a 6.0 with a 4l65e mated to the stock np205 location with the advanced adapters kit.
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Old 11-24-2018, 03:44 AM   #6
Blazerowner
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Re: Doug Thorley THY-324Y-C LS swap headers

So the issue was the firewall being close? Can I get a shipping quote to 95982?
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Old 11-24-2018, 10:05 PM   #7
CJM72
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Re: Doug Thorley THY-324Y-C LS swap headers

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Originally Posted by Blazerowner View Post
So the issue was the firewall being close? Can I get a shipping quote to 95982?
I'm getting estimates of over $100 right now. I have to figure out why it's so high. The box would be pretty big, but this doesn't seem right.
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Old 11-24-2018, 10:11 PM   #8
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Re: Doug Thorley THY-324Y-C LS swap headers

Best estimate is $80 for shipping. Let me know if you are interested. Thanks
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Old 11-25-2018, 04:53 AM   #9
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Re: Doug Thorley THY-324Y-C LS swap headers

Thanks but I’ll have to pass at that price, good luck with the sale.
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Old 11-25-2018, 11:16 AM   #10
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Re: Doug Thorley THY-324Y-C LS swap headers

Headers have been sold locally.
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