RR Racing | C38R Supercharged Lexus ISF (E70)

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Jun 28, 2021 | 12:12 PM
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After 3 years Supercharged, this ISF came back with 143k miles for some maintenance and a C38R upgrade, resulting in 658whp on E70!

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Jun 28, 2021 | 10:13 PM
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Rafi,

What supporting mods does the C38R require as opposed to the C38?

Great numbers😎🏁

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Jun 29, 2021 | 07:10 AM
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This is wicked
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Jun 29, 2021 | 08:13 AM
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Over the course of 3 years how many miles were put on that ISF?
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Jun 29, 2021 | 10:57 AM
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Quote:
Originally Posted by ISFpowered
Over the course of 3 years how many miles were put on that ISF?
^^^^^^ this right here is my question too.
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Jun 29, 2021 | 01:38 PM
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He is local to Chicago/NW Indiana. Well known for doing no prep back half drags. This setup was put thru it's paces for sure!!
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Jun 30, 2021 | 07:31 AM
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Quote:
Originally Posted by MileHIFcar
Rafi,

What supporting mods does the C38R require as opposed to the C38?

Great numbers😎🏁
Fuel system and injector upgrade with Ethanol to take advantage of the larger Supercharger.

Quote:
Originally Posted by ISFpowered
Over the course of 3 years how many miles were put on that ISF?
Honestly not sure - I'd have to check with the owner.
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Jul 3, 2021 | 04:47 AM
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Hey Rafi just pm you
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Jul 10, 2021 | 12:04 PM
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Quote:
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Hey Rafi just pm you
Call me bro you know my number!

Rafi
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