66 exhaust suggestions ?? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

lswonmatt · 05-12-2018, 01:44 AM

im putting in a SBC backed buy a TH400 into my 66 GMC with long tube headers and was wondering if anyone had any suggestions about a y pipe.

I was wondering if a slip fit ory pipe for an ls long tube header system would be able to clear under the transmission if not ill have to figure out another way to run my exhaust. I want to run the y pipe and a black widow muffler and exit the pass side in front of the rear tire any suggestions ???

**rideblue00** · 05-20-2018, 08:59 AM

you want to combine both banks?

**The Rocknrod** · 05-20-2018, 10:24 AM

Not a bad idea. Run smaller pipe for each side into a larger pipe dumping out in front of the rear tire.

lswonmatt · 05-20-2018, 10:38 AM

Quote:

Originally Posted by rideblue00

you want to combine both banks?

Yes just like any of the new ls motors they all run a y pipe but they all cross under the trans I was wondering if one of the ory from a ls truck kit would go low enough on the cross over to clear the Th400 I'm going to be running

LVPhotos · 05-20-2018, 12:48 PM

I found this...
https://www.streetsideauto.com/c/exh...-pipe-hookups/

05-12-2018, 01:44 AM	#1
lswonmatt Registered User Join Date: May 2017 Location: Morgantown Kentucky Posts: 24	66 exhaust suggestions ?? im putting in a SBC backed buy a TH400 into my 66 GMC with long tube headers and was wondering if anyone had any suggestions about a y pipe. I was wondering if a slip fit ory pipe for an ls long tube header system would be able to clear under the transmission if not ill have to figure out another way to run my exhaust. I want to run the y pipe and a black widow muffler and exit the pass side in front of the rear tire any suggestions ???

05-20-2018, 08:59 AM	#2
rideblue00 Senior Member Join Date: Feb 2010 Location: Lambertville, MI Posts: 1,854	Re: 66 exhaust suggestions ?? you want to combine both banks?

05-20-2018, 10:24 AM	#3
The Rocknrod Moderator Join Date: Aug 2011 Location: China Spring, TX Posts: 7,280	Re: 66 exhaust suggestions ?? Not a bad idea. Run smaller pipe for each side into a larger pipe dumping out in front of the rear tire. __________________ Master Chief, US Navy, Retired 1964 C10 Step-side Short Bed - In Progress 2009 2500HD Duramax LTZ 1948 GMC Panel 1956 Big Window Stepside 1953 5 Window Chevy Stepside 1932 Coupe New Seat Foam for Bench Seats?

05-20-2018, 12:48 PM	#5
LVPhotos Registered User Join Date: Jan 2013 Location: Las Vegas, NV Posts: 1,851	Re: 66 exhaust suggestions ?? I found this... https://www.streetsideauto.com/c/exh...-pipe-hookups/ __________________ 1962 shortbed 408cui small block, TKO 600 5-speed, bagged Porterbuilt suspension. 18" Salt Flats http://www.cardomain.com/ride/332579...t-c-k-pick-up/ http://67-72chevytrucks.com/vboard/s...d.php?t=560081



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