How big is the boost on a Vortech 454?

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.

Can you get good mileage out of a 454 Vortec?

As ALS454 says though, you’ll never get good mileage out of a 454, that just isn’t what they’re for. Location: the juice is loose!! my 502 ramjet in a 5600 lb 2wd tahoe with a 4L80E, 4.10’s on 29 or 31 inch tires seems to only want to get about 6-8 mpg most of the time.

What kind of engine does a Chevy 454 have?

The Chevy 454 first hit the market in the 1970s. The 454 is a big-block carbureted engine found in most older model Chevrolet cars and trucks. The engine uses eight cylinders to provide high-end torque and speeds. The combination of larger bore and eight cylinders equates to very poor gas mileage.

What kind of oil to use on Vortec 454?

Since the mileage on the engine is low, some folks have reported a mileage improvement on synthetic oil. If you are using dino oil now it might be worth trying. On the fuel, the only way to determine if one brand is better than another is by running five tanks of one brand at a time, then do a 5 tank average off it.

Is the Chevy 454 Vortec a good engine?

For a Chevy, the 454 was not a bad engine. There was a lot of exhaust manifold problems in the class A motor homes with that engine and was probably due to the tight installations and heat build up. Father-in-law replaced two sets on his Bounder. Other than that, the engine performed quite well. Horse power is what you make of it.

How tall is a Chevy 454 crate engine?

Engine Assembly, Crate Engine, Chevy, 454 HO, 438 hp, Cast Iron Rectangle Port Heads, Each Crate Engine, Long Block, Chevy 454 Stroker, SBC Crate Motor, New Block and Cylinder Heads, Roller Cam, 563HP Crate Engine, Dressed Longblock, Big Block Chevy, 540ci Stroker, BBC Crate Motor, Standard Deck Height, 670HP

What makes a Vortech 454 street muscle car?

To further improve power, we also upgraded the stock hydraulic roller camshaft with an XM284HR from COMP Cams that offered .547 lift, a 230/236-degree duration split and 112-degree lsa. To allow the motor to rev cleanly to 6,000 rpm under boost, the cam upgrade was teamed with a new set of beehive valve springs.

What is windage tray on Chevy 454 Vortec?

Install an aftermarket windage tray in your engine. Windage trays are thin, sheet metal plates that bolt to the bottom of the main caps and act as a barrier between the oil in the pan and the crankshaft counterweights.