CJ4A Evolution Build… Part 1

Happy New Year!…  Or is it too late to wish you guys Happy New Year? Where should I begin?

I have not updated the site in quite a while and I hadn’t even realize how much time has passed since the last post. However, I’m back at it now and within the upcoming weeks, I have some updates on the more popular builds on the site along with a wide variety of new content for you guys.

Today we’ll be taking a look at the progress made with Corey’s widebody Colt project since our last update. In the previous post I gave you guys some background to how the project started and a glimpse at some of the drastic changes which were made over time. Corey has since made some subtle changes with the styling of the car along with some mechanical changes. But the most notable change is seeing it prowling the streets from time to time. Those of you following this build know the only way for this to be possible was if Corey finally received  his new setup. I’ll be diving into the new setup Corey has chosen and some of the changes which have been made.

 

For those of you who would’ve missed the previous post, I’ve provided the link below…

CJ4A Evolution Build… Introduction
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I can’t stop raving about how aggressive this thing looks; even though it’s so vastly different from a stock body Colt it doesn’t look overdone…

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Opening either door you are greeted by manual windows, a reference that suggests light weight to true enthusiasts. Surprisingly, there is nothing extreme happening within the interior, it’s actually quite subtle in comparison to how wild the exterior is. Corey wanted to keep the interior as basic as possible, focusing on maximum comfort as it is still very much a street car.

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A few shots of the standard seats which are still pretty mint for a car of this age…

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The most notable change on the interior was the upgrade to a Keys Racing steering wheel. Those of you automotive junkies would share some appreciation for this.

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I can’t get enough of this Colt; it’s more than just the aggressive stance, the attention to detail paid throughout this build pushes it to top tier status. When it comes to contrast, the bright metallic magenta hue sitting on matte black and machine lip finished Enkei RPF1’s, bolted to the hubs with purple lug nuts, and neon green Brembo calipers not to far away, just lends to the outside of the box thinking which brought this build together.

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Moving away from the contrast and looking at the rear end, you will notice a drastic change…

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Still focused on the highest level of detail, Corey took it a step further when it was time to run the exhaust. A custom 3″ exhaust was fabricated and installed to exit through the rear bumper by Corey himself.

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Another major change since the last update that you guys would be pleased with…

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The engine bay has been finally stuffed with a motor. Corey chose to go back with another 4G64 power plant. The bottom end consists of  Manley rods, Wiseco pistons and ARP hardware.

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With no shortage of CCs on tap, a Garrett GT3582R turbo was chosen to ensure that the car still maintained a wide power band with little lag.

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Seeing this on the streets is completely insane, it has a more menacing appearance and looks as though it doesn’t belong. But somehow it fits right in, maybe because of how rare of a sighting it is.

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Another shot of the custom built exhaust and just above that you see that attention to detail once more with the “Evolution” badge neatly placed on the tailgate…

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Toying around with the contrast once more, Corey added some black accents around the front and rear wheels wells to add some contrast while flowing with the theme…

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A few shots at a JDM Squared event where the car made its official debut…

 

A few weeks later Corey made a few changes to his setup and decided to get the car prepared for the upcoming B.A.D.D event…

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Corey tore the head apart and sent it to have some port work done. Following this, it was reassembled with GSC Beehive springs and retainers to accommodate the GSC stage 2 camshafts. Corey didn’t stop just yet, he had an exhaust manifold custom built to suit the specifications of the motor.

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Corey was able to keep the car consistently in the 11 second bracket and had a best time of 11.584s on the day.

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Unfortunately Corey wasn’t able to escape the day with only good news. On what would be Corey’s final pass for the day he ran into some gearbox issues…

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A close up of the custom built turbo manifold with the Garrett GT3582R turbo mounted…

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With this new setup the car was tuned with the stock Evo VIII ECU for daily driving at a maximum of 25PSI on pump gas. Whereas on race day PSI figures reach the 30+ range on 109 octane fuel.

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To put it mildly, the car was producing significantly more power than it was estimated and as we all know the weakest link tends to break first. In Corey’s case it was the ACT clutch that exploded, cracking the pressure plate and bell housing of the gearbox on initial impact…

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A closer look at the unidentifiable pressure plate and cracked gearbox…

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Along with the most visible damage, the intake manifold, subframe and a portion of the harness were also damaged. Upon closer inspection Corey realized the compressor wheel of the turbo suffered from this incident as well…

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After fully assessing the situation at hand, Corey went to work to have all the issues resolved as quickly as possible. The clutch was now replaced with a Quartermaster 8 leg twin disc unit guaranteed to take what every the motor throws at it.

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Corey as he worked to get the motor back in place with all the necessary repairs completed…

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Almost there…

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Finally in place with a few minor things needing to be completed before it’s up and running again…

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A parting shot of the exposed AEM timing gears…

And with that, it brings us to the end of another post. Thanks for taking a look, and as the progress on the build moves forward I will be sure to keep you guys updated.

I also want to thank Ozzman Photography for the shots from the B.A.D.D drag event. If you guys are interested, you can check out his Facebook for more photos from the event.

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