How much HP can a big block Chevy handle?
A properly prepared 2-piece rear main seal OEM GM 4-bolt block with main studs can comfortably handle well over 1,000 flywheel horsepower. Add in a short fill in the water jackets and some billet steel main caps and a stock block will handle upwards of 1,500 – 1,800 flywheel horsepower.
Can a jeep be converted to a big block V8?
Known for knock-out power and high revving capabilities, the Big Block V8 is respected worldwide as one of the most impressive engines of our era. There are many larger Jeeps into which these engines can be converted. As early as Chevrolets were on the road, they were developing a reputation as cars with an edge on performance.
How do you change intake valve on Chevy big block?
If the block casting is sufficiently thick, there is room to make favorable moves on the bores. Another way to further deshroud the intake valve is to move the bores in the direction of the red arrows. In a similar manner you can also get the effect of an offset wrist pin by moving the bores in the direction of the blue arrow.
When did the Chevy Motorvator big block come out?
So this car – like many others that came with a small-block, is ripe for a swap to a dimentionally-larger “motorvator.” Chevrolet’s 348 cubic-inch big-block engine that was first introduced in the 1958 model year.
What’s the BSAC of a Chevy big block?
This works out to be a BSAC figure of 5.2 pounds per horse-power per hour. This translates into a carb flow demand of 1,260 free cfm. The second big-block ran 110 pounds of air for 1,100 hp, which is not as good as the first example. The same output was delivered with a BSFC of 0.46 lbs/hp/hr; its best air/fuel ratio was 13:1.
So this car – like many others that came with a small-block, is ripe for a swap to a dimentionally-larger “motorvator.” Chevrolet’s 348 cubic-inch big-block engine that was first introduced in the 1958 model year.
What kind of lubrication system do I need for a Chevy big block?
For most street applications a stock-style pump from a reputable source is good up to about 550 hp and 6,000 rpm, but do not rely on a cheap knock-off pump. If you are rebuilding an engine, the original pump could well be acceptable.
Why is oil control important in a Chevy big block?
In a Chevy big-block, it’s essential to maintain not just oil pressure but also oil control. Controlling where the oil goes in the engine can be an issue even for a nearly stock engine turning moderate RPM. When the RPM climbs, this situation really demands attention.
What should the bypass pressure be on a Chevy big block?
Fig. 3.2. For a mildly warmed-over rebuild, the Melling M77 line of pumps is more than adequate. Optional springs allow bypass pressures to be set at 50, 60, and 70 psi. Fig. 3.3. Compare the braced pickup on this Moroso pump with the stock Melling M77 pump in Fig. 3.3. Pickups rarely crack, but when they do, that brace is worth its weight in gold.