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First timer with marine headers...

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First timer with marine headers...

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Old 08-02-2019, 10:32 AM
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Default First timer with marine headers...

Recently just came across a great deal on headers locally for my 7.4 454 baja. Learning the hard way they weren't really close to my setup that i needed but they are doable. they are CMI Etop headers..i already figured out i need bravo tails ( looking for a set if anyone is selling any!!) Next issue im having is i have no welded on bungs to attach my shift cable bracket. now ive heard of being doing brackets on their transom when they swap to headers..anyone have any more pictures or info on this?
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Old 08-02-2019, 11:21 AM
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Make sure to pressure test those E-tops for leaks, don't want to lock up a motor
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Old 08-02-2019, 11:30 AM
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transom, stringer, don't kink the cables
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Old 08-02-2019, 11:38 AM
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I would weld a plate to the cmi header for placement. I e seen them put down on the stringers and it looks like a nightmare to service if needed.
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Old 08-02-2019, 12:08 PM
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You can see my linkage in the bottom center on the stringer. It keeps the cables in a nice wide loop. Its also nice to not have to deal with it every time the headers come off, which you should pressure check every season.
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Old 08-02-2019, 02:34 PM
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Question number 1... Do you actually need headers?
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Old 08-02-2019, 03:10 PM
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Is this a completely stock 7.4? Anyway the shift bracket DIY kit from CMI is $116.99 P/N: 28235P
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Old 08-02-2019, 03:12 PM
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Originally Posted by phragle View Post
Question number 1... Do you actually need headers?

i dont really need them but got a deal on them when i found out my manifolds were looking rough on my setup. i plan on working the 454 and the headers will always help as i build it along
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Old 08-02-2019, 03:14 PM
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Originally Posted by LS1 View Post
Is this a completely stock 7.4? Anyway the shift bracket DIY kit from CMI is $116.99 P/N: 28235P
yes stock 7.4 and any pictures of the bracket? ran it on google with no luck
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Old 08-02-2019, 04:15 PM
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Page 15. No pictures unfortunately. But Specifically the DIY kit is 28235P per David at CMI.

http://www.custommarine.com/pdf_docs/CMI-catalog-lo.pdf
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