Inside frame long tube headers - The 1947 - Present Chevrolet & GMC Truck Message Board Network

SHANE 73Z · 01-05-2013, 10:28 PM

Hey guys,

Just thought Id offer some findings relating to long tube headers on a lowered truck. I wanted a header that tucked up inside the rails on my buld & did a lot of reading in past threads. Anyways here is what Im going to run.

These are a set of either Thorley or Stans pn 375y Tri-Ys. They are 1 1/2" primarys with 2 1/2" ball collectors. This fitment also assumes the engine is in the stock SBC location. I used the CPP towers, so I believe the clearance would be better with stock towers. This of course also negates the stock manual x-member. I have no idea if they would clear a stock auto x-member.

I ran them on my second gen Camaro. I had them laying around & decided to try them. I think they fit rather well. Here are the pics.

Shane

Square_78 · 01-05-2013, 10:50 PM

Not bad at all. Mine hang down about 5" lower than that!! I just bought some Flow tech Camaro shorties to replace them.

gysgtc · 01-06-2013, 09:18 AM

looks great

SHANE 73Z · 01-06-2013, 01:51 PM

Thanks guys,

I really hated to have anything hanging below the rails. It was tiresome to have to be so cautious driving my lowered Camaro.

Shane

prostreetC-10 · 01-06-2013, 02:05 PM

IS that one of the manual trans out of a Mazda 323?? lol

Just kidding. Is the rear axle hanging down? I realize there is no weight on the suspension. Just hoping that driveline goes in a bit farther.

Looks like a great start!!

01-05-2013, 10:28 PM	#1
SHANE 73Z Registered User Join Date: Apr 2008 Location: Pittsburgh, PA Posts: 144	Inside frame long tube headers Hey guys, Just thought Id offer some findings relating to long tube headers on a lowered truck. I wanted a header that tucked up inside the rails on my buld & did a lot of reading in past threads. Anyways here is what Im going to run. These are a set of either Thorley or Stans pn 375y Tri-Ys. They are 1 1/2" primarys with 2 1/2" ball collectors. This fitment also assumes the engine is in the stock SBC location. I used the CPP towers, so I believe the clearance would be better with stock towers. This of course also negates the stock manual x-member. I have no idea if they would clear a stock auto x-member. I ran them on my second gen Camaro. I had them laying around & decided to try them. I think they fit rather well. Here are the pics. Shane

01-05-2013, 10:50 PM	#2
Square_78 Registered User Join Date: Mar 2012 Location: Okanagan Valley, BC, Canada Posts: 1,237	Re: Inside frame long tube headers Not bad at all. Mine hang down about 5" lower than that!! I just bought some Flow tech Camaro shorties to replace them. __________________ #teamlongbed "I refuse to go disc brakes. I actually love drum brakes. It makes for an adventure." - 50bomb 1978 Chevy shop truck - static 6/8" 1970 GMC 1500 - Accuair eLevel Resto-mod http://67-72chevytrucks.com/vboard/s...d.php?t=537497

01-06-2013, 09:18 AM	#3
gysgtc Registered User Join Date: Apr 2010 Location: Sutton, WV Posts: 340	Re: Inside frame long tube headers looks great

01-06-2013, 01:51 PM	#4
SHANE 73Z Registered User Join Date: Apr 2008 Location: Pittsburgh, PA Posts: 144	Re: Inside frame long tube headers Thanks guys, I really hated to have anything hanging below the rails. It was tiresome to have to be so cautious driving my lowered Camaro. Shane

01-06-2013, 02:05 PM	#5
prostreetC-10 My Carbon Footprint Join Date: Oct 2008 Location: Orygun Posts: 5,527	Re: Inside frame long tube headers IS that one of the manual trans out of a Mazda 323?? lol Just kidding. Is the rear axle hanging down? I realize there is no weight on the suspension. Just hoping that driveline goes in a bit farther. Looks like a great start!! __________________ A quick "pedalfest" *Still getting loose (carb test)* 496 Initial fire up video!



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