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R5P7 NASCAR Engine on a Dyno

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Uploaded by on Jul 10, 2007

This is Arrington's R5P7 Dodge NASCAR engine on a dyno in our shop in Martinsville, VA. This block and head combo is available in street legal version over 700 HP, on pump gas.
Video to come once we put it in a test vehicle.

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  • @Arcticun More air at higher Rpms going through the motor to get rid of heat.

    Thats my theory

  • @oohmammaoohmamma So you're saying that varied driving will overheat it yet staying at 8k RPM for hundreds of miles makes it work just fine?

    These engines works fine in normal driving, they work fine in dragracing aswell. Just a great piece of machinery.

  • @TestECull LOL its funny how 95% of people dont get this...

  • nice performed

  • How streetable is the street version out of curiosity? i can imagine normal driving just overheating the motor

  • @jguerrerofrescotti

    yet i bet you cant build up a nascar motor anyway

  • @jguerrerofrescotti yes. a motor creating over 700 hp without any forced injection or nitrous is very dinosaur

  • @TheMPSScissors >700HP means Greater Than 700HP. >8,000RPM means Greater Than 8,000 RPM.

    Basic grade school math is not your strong suit it seems.

  • @TestECull

    850hp and 10-11000rpm at most

  • @jguerrerofrescotti So? It's still getting >700HP and >8,000 RPM. I don't see why it matters much.

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