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Hellcat engine on a c5?

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Old Jun 11, 2020 | 10:33 AM
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Default Hellcat engine on a c5?

So i got a hellcat engine (just because it was for a deal and was going to try to buy a chrysler 300 and slap it on there) But was wondering if i could slap that engine on a c5 lol? Probably a dumb idea and impossible I’ll probably just go with the 300
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Old Jun 11, 2020 | 10:39 AM
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On? Sure.

In? Sure.

How deep are your pockets and how much can you do?
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Old Jun 11, 2020 | 10:39 AM
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the beauty of the LS engines is their small size and compactness, doubt if there is enough room for the hellcat ????
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Old Jun 11, 2020 | 10:40 AM
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Room for anything in anything if you can dedicate enough money and fab skills to the job.


Practical? Not at all.
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Old Jun 11, 2020 | 10:44 AM
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Originally Posted by Stingroo
On? Sure.

In? Sure.

How deep are your pockets and how much can you do?
(ive already been in contact with another guy who currently has a hellcat 300 he goes by khal_srt on Instagram) And by what he told me he spent on his im able to do it...not sure how much more expensive it is for a c5 let alone if it even fits lol
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Old Jun 11, 2020 | 11:14 AM
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If you have it, you just measure the dimensions. then compare, that is the first and easiest part of any engine swap , then figure out mating the drivetrain, pcm and gauges
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Old Jun 11, 2020 | 01:38 PM
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Just buy a c7 ZR1m it will be cheaper, easier and quicker.
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Old Jun 11, 2020 | 01:46 PM
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Sell it for a profit and buy an LSA?
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Old Jun 11, 2020 | 02:55 PM
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That kind of defeats the purpose of owning a Corvette in the first place, if you have ideas of grandeur putting a Chrysler engine in it. I'm just cringing thinking about it but, it must be like an exorcism to a Corvette purist. You want Hellcat power, plenty of LS engine choices to match or beat it, and far easier on the wallet.
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Old Jun 11, 2020 | 03:09 PM
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300s are a dime a dozen and cheap. Just get one, drop it in then make the car look stupid stock...sticky tires, grandpa wheels and a real quiet exhaust system. Should draw in some flies.
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Old Jun 11, 2020 | 03:21 PM
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I like Hemi's and I have one. But, you better be, a true hot rodder,
to take on this project. You ,would have one of a kind, if ,you have the
skill.
Good luck
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Old Jun 11, 2020 | 04:58 PM
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These days it's not "hot rod" skills, it's electronic skills. The C5 has multiple interconnected electronic devices (PCU, EBCM, body computer, etc.) that all talk need to talk each other over a digital data bus to get anything to happen, let alone have full functionality. Physically hooking things together is simple shade tree mechanics in comparison.

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Old Jun 11, 2020 | 05:54 PM
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you can use a standalone ecu to run the engine and keep the factory pcm intact to keep the gauges and everything else happy, so I don't see that being a huge deal but it will cost $$$$

Last edited by StingrayRebel; Jun 11, 2020 at 05:55 PM.
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Old Jun 11, 2020 | 06:30 PM
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Why put that huge lump of cast iron in a 'Vette? LS motors are so cheap and modifiable that it just makes no sense.


Decided to add: For big powered C5s the driveline is weak. Count on a built trans, diff, and clutch, as well as the problematic TT connectors.

Last edited by zeevette; Jun 11, 2020 at 06:33 PM.
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Old Jun 11, 2020 | 11:30 PM
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Did you get this engine somewhere in norther california, you know around the area where the dodge dealership got broken into? asking for a friend hahaha.
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Old Jun 12, 2020 | 07:34 AM
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The C5 would probably reject a Chrysler engine...
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Old Jun 12, 2020 | 07:50 AM
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That would be a very interesting project. If you do it, post up your experiences.
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Old Jun 12, 2020 | 09:49 AM
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I guess anything is possible if you throw enough dinero at it but I suspect it is not really a viable project.
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Old Jun 12, 2020 | 10:24 AM
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Originally Posted by neutron82
you can use a standalone ecu to run the engine and keep the factory pcm intact to keep the gauges and everything else happy, so I don't see that being a huge deal but it will cost $$$$
The factory unit is going to complain bitterly about lack of sensor input - and the tach runs off that unit. If it's an auto, there are other issues of course. The hellfire ecu also expects to control a trans. I guess someone in Dodge Land would know how to program that out.

Sounds like a long and expensive project to me. Best use of that motor would be in a restomod or similar, where there are no existing electronics to contend with.
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Old Jun 12, 2020 | 10:35 AM
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I think it would be a neat project to see, but I have my reservations on how well it would fit. Those new Mopar motors are pretty large......and the LS takes up a bit of room in the engine bay to begin with. Not a lot of extra room for growth in the width of the motor........curious what you'll find out.
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