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Posted: Sat
May 24, 2008 8:51
am Post subject: '78 350 Exhaust Pipe Diameter
Hey everybody, does anybody know the stock exhaust pipe diameter on a 78 350? I'm going to get an electric cutout installed, but want to buy it online, so I need to know which size to buy. Does anybody have any recommendations for the best location to install this guy? Before/After Cats, etc. Thanks!
Necoa #: 7195
Location: 17(S.CA,S.NV)
Joined: Mar 26, 2006
Posts: 681
Year: 1977
Model: El Camino
Posted: Sat
May 24, 2008 11:48
am Post subject:
Tom, First~~~ Welcome to ECC, Glad you made it here!
If memory serves me right I believe it was 1.75" stock.
If I may make a suggestion tho, If you are going to the expense of installing Electric Cutouts, this would be a perfect time to upgrade your system to a 2.50 system, that in it's self will give you a much better achievement factor. Just my opinion. Also install them at down tubes before cats / mufflers ect. _________________ Keep the Shiney Side Up
The Rubber Side Down !!
aka Larry
http://elcaminocentral.com/gallery-album_CoyoteOn2s77Cage.html
Necoa #: 7195
Location: 17(S.CA,S.NV)
Joined: Mar 26, 2006
Posts: 681
Year: 1977
Model: El Camino
Posted: Sat
May 24, 2008 2:46
pm Post subject:
No it would not, The flange is the same size on 99.9% of headers on the market, unless you have something exotic or custom built to certain specs.
But do check around as shops can vary a great deal in prices. _________________ Keep the Shiney Side Up
The Rubber Side Down !!
aka Larry
http://elcaminocentral.com/gallery-album_CoyoteOn2s77Cage.html
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