The 1947 - Present Chevrolet & GMC Truck Message Board Network - What exhaust are you guys running with your swap?

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The 1947 - Present Chevrolet & GMC Truck Message Board Network (https://67-72chevytrucks.com/vboard/index.php)

- LSx Swaps (https://67-72chevytrucks.com/vboard/forumdisplay.php?f=206)

- - What exhaust are you guys running with your swap? (https://67-72chevytrucks.com/vboard/showthread.php?t=603504)

dwcsr

12-10-2013 12:12 AM

Re: What exhaust are you guys running with your swap?

Quote:

Originally Posted by ls1nova71 (Post 6410447)

I found this out myself about a month ago, TBSS manifolds won't clear a 4l80....:waah: Looks like headers are in my future.

Corvette or Cadillac would most likely work for you

Wasted Income

12-10-2013 10:52 AM

Re: What exhaust are you guys running with your swap?

Quote:

Originally Posted by ls1nova71 (Post 6410447)

I found this out myself about a month ago, TBSS manifolds won't clear a 4l80....:waah: Looks like headers are in my future.

I just cut the ears off the bellhousing. I do that on EVERY 4L80 I install. Makes routing stuff so much easier, and those ears are only used to hold on the dust cover, which I also don't install.

ls1nova71

12-10-2013 11:34 AM

Re: What exhaust are you guys running with your swap?

Quote:

Originally Posted by Wasted Income (Post 6410934)

I just cut the ears off the bellhousing. I do that on EVERY 4L80 I install. Makes routing stuff so much easier, and those ears are only used to hold on the dust cover, which I also don't install.

Yeah, I thought about cutting them off, but the cover is cast aluminum and really finishes off the underside of the transmission, so I don't really want to do that. I have a set of F body manifolds that will fit with very minor trimming of the frame, but I guess I'm really just looking for a good excuse to buy a set of high dollar headers. :lol:

solidaxel

12-10-2013 11:43 AM

Re: What exhaust are you guys running with your swap?

Quote:

Originally Posted by ls1nova71 (Post 6411000)

What are you looking at for "high dollar" exhaust, besides stock is there any other cast aftermarket ones?

Matt Cramer

12-10-2013 12:03 PM

Re: What exhaust are you guys running with your swap?

Quote:

Originally Posted by dwcsr (Post 6410519)

Corvette or Cadillac would most likely work for you

5th generation Camaro manifolds exit straight down and fit the block pretty closely. I'd expect they'd work with a 4L80E, too. That's what I'm using, although I have a TH350.

Wasted Income

12-10-2013 01:15 PM

Re: What exhaust are you guys running with your swap?

Quote:

Originally Posted by ls1nova71 (Post 6411000)

I guess I'm really just looking for a good excuse to buy a set of high dollar headers. :lol:

I can appreciate that! :metal: :lol:

stevenbear72

12-10-2013 09:34 PM

Re: What exhaust are you guys running with your swap?

I want headers on my truck, but have those damn CPP tubular mounts which don't allow anything but the Doug Thorley tri y's. Would you all recommend I just swap the tubular perches for a set of their sheet metal perches or just get some ECE mounts?

crazy longhorn

12-10-2013 10:15 PM

Re: What exhaust are you guys running with your swap?

If you don't mind the short tubes...Hooker street rod short/tight tuck? IFRC, 225 on the painted headers, & 90 on the mandrel bent /stainless down tubes (cut/weld to fit)? The long tube try -y's will be the best on performance. I my build, I needed the shorties to clear the gen I clutch linkage. Longhorn

dwcsr

12-11-2013 02:09 AM

Re: What exhaust are you guys running with your swap?

2 Attachment(s)

Here is a picture of the Cadillac CTS manifold. For 47-53 Chevy trucks Camaro doesn't work.

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