How much HP can a built 454 make?
How much HP can a built 454 make?
Surprisingly, the 454 laid down an impressive 330 horsepower and 475 pound-feet of torque. Naturally, the truck-based 454s were tuned for torque, so having nearly 500 pound-feet wasn’t a big surprise. But like any stock engine, there was tons of power left to be squeezed out.
How can I get more power out of my stock 454?
How Do I Get More Power out of a Chevy 454?
- Improve the fuel and air intake system. The more fuel and air you are able to get into your Chevy big block engine, the more power it will be able to produce.
- Replace the stock exhaust system with a high-flow system.
- Replace the stock timing parts with ones tuned for racing.
How much horsepower does a Chevy 454 have?
Surprisingly, the 454 laid down an impressive 330 horsepower and 475 pound-feet of torque. Naturally, the truck-based 454s were tuned for torque, so having nearly 500 pound-feet wasn’t a big surprise.
How big is the boost on a Vortech 454?
Configured with our pulley combination, the YSI spit out a peak boost pressure of 19.1 psi where the boosted big block produced 791 hp and 713 lb-ft of torque. The great thing about using a blow-though carburetor combination is the intercooling effect you get from the introduction of fuel.
How many HP does a 496 pump have?
Jeff Smith did it in CarCraft. 496 pump gas friendly 9.9:1 compression. Page 3 has the dyno results. this is the motor i was talking about on page 1 or 2. HERE IS ONE OF OUR “STREET THUNDER” SERIES 496 BBC RUNNING ON THE DYNO. THIS COMBINATION MAKES 700HP @6300 RPMS AND 653 FT/LBS @ 4800 RPMS.
What’s the maximum impeller speed of a Vortech 454?
Thanks to a maximum impeller speed of 65,000 rpm (racers go even higher) and a peak efficiency rating of 78%, the Vortech YSI was capable of supporting over 1,200 hp at 30 psi. The budget portion of the equation came from a 7.4L Gen VI big-block Chevy straight out of the local wrecking yard.