More engine mods, OCD run amok - Dodge Challenger Forum: Challenger & SRT8 Forums
Engine Bay / Under Hood Modifications This area is for the discussion of and to show off your engine bay/under hood modifications.

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post #1 of 16 (permalink) Old 04-08-2019, 09:17 PM Thread Starter
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More engine mods, OCD run amok

Not being happy with the plastic intake on the newer Challengers, I decided to have a go at replacing it. I am planning on a Pro-charger in the future. Further I have a new TB for it as well So I took the time and went ahead and port matched the intake to the new TB, along with cleaning up the inside of the 6.1 manifold. Having never been satisfied with the look of hose finishers I removed all fittings, replaced them with AN, and tapped new holes accordingly. I wanted a more colorful engine than I have yet seen, without the use of cosmetic covers. I found a couple of places in California and England that supplied custom fittings, Ti bolts and hose clamps. The mopar intake wouldn't due either and was subsequently replaced with a carbon piece. My friends helped me out with some other small name plates out of Ti, and a few other parts. At this point I am still not fully set on the design and I am kicking around changing the washers to a purple to match the fittings and going back on the bolts and heating them to a blue instead of the violet. Aside from that I am in the process of fabbing new covers as well for the valves.

Making custom hoses

port matching the manifold to the TB

smoothed the exterior of the manifold as well as cleaned the mold lines

Acid dipped the fuel rails to remove the black anodizing

Got the parts back from powder, used a purple/blue color shift and black wrinkle
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post #2 of 16 (permalink) Old 04-08-2019, 09:24 PM Thread Starter
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Cleaned up the excess powder and started to mount the fittings



out with the old

New Mopar seals

test fitting and mocking up fittings

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post #3 of 16 (permalink) Old 04-08-2019, 09:42 PM Thread Starter
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Was able to get it out in the sun today



I am currently working on the valve covers, and am trying to settle on a scheme for them. I am thinking a purple to blue to black ombre, making them out of an aluminum alloy with multiple holes, around 200 or so each, for venting but more to follow. I am also still debating the washer and bolt colors. I have a new vent tank as well, however; until I mount the supercharger, it is not only unwarranted but unable to fit in the current available space. So the projects will continue for the foreseeable future.
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post #4 of 16 (permalink) Old 04-08-2019, 10:24 PM
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post #5 of 16 (permalink) Old 04-09-2019, 05:57 PM
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Your hard work paid off because that looks Great! Nice job!
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post #6 of 16 (permalink) Old 04-09-2019, 06:35 PM
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Wow that looks amazing! Please post a pic or two when you get the valve covers done...you got that 6.1 looking pretty damn good!


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Living my life....one quarter mile at a time
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post #7 of 16 (permalink) Old 04-10-2019, 08:52 AM
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Looks great!

Doing this rocker cover setup on my 426 build...
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post #8 of 16 (permalink) Old 04-13-2019, 04:33 PM
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post #9 of 16 (permalink) Old 04-14-2019, 10:23 PM Thread Starter
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I finally got around to making the covers. They were fabbed using 6061 T4 aluminum using mainly my drill press and bench grinder. The paint ended up being a 6 part process, starting with an etching primer, a silver base, clear fuchsia, clear blue, clear pearl and a two part clear. The name plates are made with titanium that I heat treated, backed with Carbon, with all the hardware being anodized purple titanium.

I started as I always do by making a cardboard template.

then moved to the aluminum



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post #10 of 16 (permalink) Old 04-14-2019, 10:27 PM Thread Starter
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