Viper Engine - Dodge Challenger Forum: Challenger & SRT8 Forums
Performance Modifications Want to talk about performance modifications for your Dodge Challenger? This is the forum for that. Anything from exhaust systems to power adders and everything in between. (Dodge Challenger Performance Modifications)

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#1 (permalink) Old 06-05-2013, 05:02 PM
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Viper Engine

I have a 2013 SXT Plus I want to swap out the engines and put a faster engine in there it's a guy selling a 1998 Viper GTS engine with only 20,000 miles on it for $4,000 I really wanna do it but I want some opinions about it.
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#2 (permalink) Old 06-05-2013, 05:11 PM
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You should sell it to me so I can put it in my Indy Ram. No actually I think it would be awesome but I'm fairly certain that you will make more power for cheaper if you swap a HEMI in it since the platform is Already made for it. The V10 would be better for boost but you'll have to do a lot of custom design work.

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#3 (permalink) Old 06-05-2013, 05:16 PM
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That's what I was thinking that it should be faster if i put the viper engine in but I didn't know cause the challenger is heavier than the viper so i was torn between the hemi or srt-10 engine
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#4 (permalink) Old 06-05-2013, 05:34 PM
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Search the forums, someone has been building one for a while.

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#5 (permalink) Old 06-05-2013, 05:41 PM
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Building a viper engine or a challenger with a viper engine ?
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#6 (permalink) Old 06-05-2013, 05:51 PM
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The viper will rev a shit load faster than the hemi with the same power. Mods, you will need a transmission for the viper motor as well as custom engine and transmission mounts to get it to work. You might want to look for an appropriate speedometer because factory one won't be calibrated correctly and I don't see the point in having one that raps out at 160 when you have that kind of power. Now, the only thing I don't like about the powertrain is the sound. Either you should anticipate the fact that the Hemi swap will cost a lot less. Just keep that in mind.



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#7 (permalink) Old 06-05-2013, 05:56 PM
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Originally Posted by Rwglenn View Post
Building a viper engine or a challenger with a viper engine ?
Both. The thread is titled "oh no what did I do?" but the ever present stupidity of our search tool won't allow me to look for it.
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#8 (permalink) Old 06-05-2013, 05:56 PM
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Originally Posted by Hell Ride View Post
The viper will rev a shit load faster than the hemi with the same power. Mods, you will need a transmission for the viper motor as well as custom engine and transmission mounts to get it to work. You might want to look for an appropriate speedometer because factory one won't be calibrated correctly and I don't see the point in having one that raps out at 160 when you have that kind of power. Now, the only thing I don't like about the powertrain is the sound. Either you should anticipate the fact that the Hemi swap will cost a lot less. Just keep that in mind.
You made some valid points if i do the hemi swap i can just drop it in right ?
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#9 (permalink) Old 06-05-2013, 06:50 PM
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Quote:
Originally Posted by Rwglenn View Post
You made some valid points if i do the hemi swap i can just drop it in right ?
Don't be fooled, nothing is just a simple "drop it in", not even a HEMI swap. You'll need...

PCM
Rear diff
Driveshaft
Gauge cluster?
Radiator?
Suspension?

There are at least a couple V10-swap Challengers around, not to mention Chrysler made the race-only Challenger Drag Pak with a V10, so it's definitely possible and something I'd love to do. I say go for it, however...it sounds as though you're jumping in over your head with any swap if you have no idea what's involved. Certainly a good way to learn, but it's not going to be easy no matter what route you go.

Also, I don't know where you live but you should check your smog laws. If you're in California, for example, it's not legal to install a replacement engine that's older than the vehicle it's being installed into. So if I want to do a V10 swap into my 2011 then I have to use a 2011 or newer V10 that also meets California emissions.

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#10 (permalink) Old 06-05-2013, 07:02 PM
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What kind of fabrication skills do you have.. Probably better to just trade in the SXT and get a HEMI
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