C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

LT4 to LT1 supercharger conversion kit

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Old Jul 15, 2020 | 04:07 PM
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Default LT4 to LT1 supercharger conversion kit

Has anyone put one on an LT1 in a C4? I know some of the kits come with a conversion kit as part of the install. I am curious would there be enough clearance with the stock hood on the C4. Thanks
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Old Jul 15, 2020 | 04:23 PM
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Originally Posted by wood78221
Has anyone put one on an LT1 in a C4? I know some of the kits come with a conversion kit as part of the install. I am curious would there be enough clearance with the stock hood on the C4. Thanks
Are you referring to the new LT-4 supercharger?

The ones for the LT1/LT4 in the C4s were the same kit. Most run centrifugal units.
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Old Jul 15, 2020 | 04:26 PM
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Originally Posted by KyleF
Are you referring to the new LT-4 supercharger?

The ones for the LT1/LT4 in the C4s were the same kit. Most run centrifugal units.

Something like this

https://weaponxmotorsports.com/produ...=4467404734491
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Old Jul 15, 2020 | 04:37 PM
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Originally Posted by wood78221
Wrong series of LT4/LT1 That would be for the LS base LT engines not the SBC based LTs.
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Old Jul 15, 2020 | 04:38 PM
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Supercharged LT4 in a C4.
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Old Jul 15, 2020 | 05:16 PM
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Originally Posted by KyleF
Supercharged LT4 in a C4.

Do you know what brand of SC that is?
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Old Jul 15, 2020 | 05:33 PM
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Originally Posted by wood78221
Do you know what brand of SC that is?
Procharger... that is my car. What you see is the basic bones kit. I am collecting parts for something much more interesting.

Last edited by KyleF; Jul 15, 2020 at 05:34 PM.
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Old Jul 15, 2020 | 05:35 PM
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Originally Posted by KyleF
Procharger... that is my car. What you see is the basic bones kit. I am collecting parts for something much more interesting.
That is awesome. How much labor was involved? Did you install yourself or what?

I reached out to a local Vette shop and they said putting a SC on a stock LT1 isnt worth it because of how much other stuff I would have to replace in the engine after installing a SC. However, I have been reading that the stock LT1 can handle a stage 1 SC.
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Old Jul 17, 2020 | 08:21 AM
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Originally Posted by wood78221
That is awesome. How much labor was involved? Did you install yourself or what?

I reached out to a local Vette shop and they said putting a SC on a stock LT1 isnt worth it because of how much other stuff I would have to replace in the engine after installing a SC. However, I have been reading that the stock LT1 can handle a stage 1 SC.
I bought this one with it installed. I have installed a kit before and it is labor intensive. It depends on what way you go too. There are complete kits ready to bolt on and then there are tuner kits if you want to address the fuel system on your own. You will need a tune. The nice thing about Procharger is self contained lubrication.


I am running all factory components at 8PSI. The kit had a booster pump with an Fuel Management Unit. The shop you talked to doesn't know LT1's. Talk to someone else!

Last edited by KyleF; Jul 17, 2020 at 08:36 AM.
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Old Jul 20, 2020 | 04:25 PM
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Originally Posted by KyleF
I am running all factory components at 8PSI. The kit had a booster pump with an Fuel Management Unit. The shop you talked to doesn't know LT1's. Talk to someone else!
About how much HP are you at with this setup?
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Old Jul 20, 2020 | 04:57 PM
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Originally Posted by AgentEran
About how much HP are you at with this setup?
385 to the wheels... for 18 years!
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Old Jul 20, 2020 | 05:15 PM
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Originally Posted by KyleF
385 to the wheels... for 18 years!

Nice! I bet it surprises alot of guys on the street.
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Old Jul 21, 2020 | 08:42 AM
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Originally Posted by AgentEran

Nice! I bet it surprises alot of guys on the street.
I am sure it would, but I haven't had the opportunity to get a street race in a "safe" manner. I won't just open it up anywhere.

I am actually going to build it into a lot more. I already have my AFR210 LE Ported heads, Rockers, and port matched LT4 Intake. Going to be getting my Lloyd Elliott cam soon to match. Then all the other supporting parts. Aiming at 500WHP on stock bottom end or get an excuse to go 383.- Project "Not your Dad's Corvette"
At any rate, the shop mentioned above has no clue about the LT1/LT4. If done right with a tune, they will take boost just fine.

Last edited by KyleF; Jul 21, 2020 at 08:43 AM.
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Old Jul 21, 2020 | 08:44 AM
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Originally Posted by KyleF
I am sure it would, but I haven't had the opportunity to get a street race in a "safe" manner. I won't just open it up anywhere.

I am actually going to build it into a lot more. I already have my AFR210 LE Ported heads, Rockers, and port matched LT4 Intake. Going to be getting my Lloyd Elliott cam soon to match. Then all the other supporting parts. Aiming at 500WHP on stock bottom end or get an excuse to go 383.- Project "Not your Dad's Corvette"
At any rate, the shop mentioned above has no clue about the LT1/LT4. If done right with a tune, they will take boost just fine.
yes. I found another guy that knows a good bit of knowledge on superchargers and he said the same thing. 8PSI with a tune on a stock LT1 would be fine
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