Hemi Crossfire Conversion
Apart from the overpriced Startech Hemi Conversion to the Crossfire does anyone know of any other companies who perform such a swap using the 5.7 or 6.1 Hemi.
I am in Australia and would like to know exactly what is involved. Can the original 5 spd auto be retained etc. |
Re: Hemi Crossfire Conversion
hasn't been done, since you are ok being auto, probably be better to try and find a junked srt motor.
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Re: Hemi Crossfire Conversion
I have searched and have come up empty.
Best I have come up with is possibly a 55 Mercedes motor as it fits in the amg 55 slk. Keep us posted if you come up with a good way to go. |
Re: Hemi Crossfire Conversion
With enough money and talent, anything is possible.
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Re: Hemi Crossfire Conversion
Originally Posted by AUSSIE_XFIRE
Apart from the overpriced Startech Hemi Conversion to the Crossfire does anyone know of any other companies who perform such a swap using the 5.7 or 6.1 Hemi.
I am in Australia and would like to know exactly what is involved. Can the original 5 spd auto be retained etc. |
Re: Hemi Crossfire Conversion
It's the MB/AMG SLK55 Motor.
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Re: Hemi Crossfire Conversion
How much HP do you want to make? How much money do you have available? Do you have smog regulations?
If you go v8 you will need the biggest brakes you can find. I would also try and get a wider front wheel to control the plowing effect you might experience with a heavy v8. If you want a cheap v6 that might fit the crossfire you should take a look at the Sebring/Prowler motor and are almost always in junkyards, some are known to have a forged lower end and variable intake manifolds, and have been know to make 300 hp N/A. with the forged lower end you now have the option of boosting too. But you will need to get yourself an aftermarket ECU just to properly tune the motor, though I guess you could get by with the Sebring ECU... The nice thing about the Sebring/prowler motor is that you might be able to sneak it past the smog inspector. |
Re: Hemi Crossfire Conversion
Originally Posted by stryfox
I have searched and have come up empty.
Best I have come up with is possibly a 55 Mercedes motor as it fits in the amg 55 slk. Keep us posted if you come up with a good way to go. It's going to be tough to shove a V8 into one of our cars. You will probably have to move the transmission back to fit everything. That's a bunch of work. I'd go with the AMG 5.4 V8 instead of the Hemi. It's a much more compact package. |
Re: Hemi Crossfire Conversion
Originally Posted by feets
The SLK55 is the 171 chassis, not the 170 chassis like our cars. That thing was built around the V8.
It's going to be tough to shove a V8 into one of our cars. You will probably have to move the transmission back to fit everything. That's a bunch of work. I'd go with the AMG 5.4 V8 instead of the Hemi. It's a much more compact package. I am planing this as a long term project. Prob in a few years when I get a different daily driver. I am trying to make a plan and start collecting parts. I like stuff when it is older anyway ;) as I restore mopars for a living and I don't really care what the car is worth. I just want what I want. |
Re: Hemi Crossfire Conversion
Originally Posted by stryfox
I don't really care what the car is worth. I just want what I want.
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Re: Hemi Crossfire Conversion
Didn't the 5.4L come in the older SL series? Maybe you can pick up a late 90's SL Benz somewhere, try the rust belt, they got stuff cheap.
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Re: Hemi Crossfire Conversion
the 4.3 is the exact same engine as ours minus two cylinders, i would think that would be the easiest swap. i doubt the tranny would link up though and they only came auto, but they were near 300 hp. that would put us in the 13's easy, and they have more of an aftermarket.
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Re: Hemi Crossfire Conversion
I hear you too. If you could only see my other car. It's absolutely nuts. I wanted all kinds of stuff and have been in the process of putting it all together.
I just got my custom wheels in for it. I'll work on my AMG brake conversion Sunday. http://members.aol.com/twinturbo440/newwheelsside.jpg As for the AMG 5.4 motor, look for any Mercedes with a 55 on the back. A CLK 55 is a great choice. It was available with 340-something hp from '98 to '02 and then a little more in the 2002 and later. The SLK 55 is 2005 and newer. The E-class, CL-class, and S-class were all packing the same motor as the CLK until the end of 2002. In 2003, they all got supercharged motors in the 460 to 496 range depending upon the chassis. The G-class packs the 496 hp motor too. Unfortunately, the SLK 55, CLK 55, and C 55 all use the naturally aspirated variant. |
Re: Hemi Crossfire Conversion
Feets thanks for the info this is very helpful.
I am new to the MB thing but I learn fast. I have put late model motors in old mopars so I know how to make stuff fit. The big difference is even a bodies have plenty of Eng bay room and there are really no systems that need to be incorporated. |
Re: Hemi Crossfire Conversion
I know a thing or two about shoving lots of stuff into undersized engine compartments.
http://members.aol.com/twinturbo440/tt440.jpg Let us know how the search goes. |
Re: Hemi Crossfire Conversion
Looks good. I can't see the fender tag... Is that original. Lol!
Must be one fun rocket. |
Re: Hemi Crossfire Conversion
How about 2000 CLK 430, its an 8 and makes nice power. Plus the growl. Is this possible?
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Re: Hemi Crossfire Conversion
The CLK 430 and CLK 55 engines are from the same engine family. The 55 is just a wee bit bigger (5.4 liters) and has more scoot.
Externally, they're nearly identical. |
Re: Hemi Crossfire Conversion
A friend of mine is almost finished with the Hemi 5.7 conversion into a 05 crossfire coupe. The motor is already in a running, just wrapping up on a few details. I will post some pics when he gets it all wrapped up if anybody is interested...
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Re: Hemi Crossfire Conversion
Yes post pics and details Please.
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