How much can I bore 502?

How much can I bore 502?

G.M. only recommends a max bore of 4.500 for that block, though some guys have taken it to 4.530″.

How much horsepower does a Mercruiser 502 have?

The 502 Magnum HO or High Output Mercruiser engine produces a whopping 430 horse power. This big block 8.2-liter V8 engine has a full-throttle range between 4,600 and 5,000 rpm. The bore and stroke is 4.47 x 4 inches and the compression ratio is 8.75:1. The engine runs on 87 octane fuel.

How much HP does a 572 big-block have?

The 572 offered from GMPP is designed as a 4.560-inch bore by 4.375-inch stroke combination using rectangle-port aluminum heads on a tall-deck Gen VI block….This 572-Inch Crate Engine Look-Alike Rocks Out On Stage To The Tune Of 845 hp On Pump Gas.

BY THE NUMBERS
572ci Big-Block Chevy
Stroke: 4.375 inches

How much horsepower does a 525 have?

61.00 HP
KTM EXC 525 Specs The engine produces a maximum peak output power of 61.00 HP (44.5 kW) @ 8000 RPM and a maximum torque of 61.00 Nm (6.2 kgf-m or 45.0 ft. lbs) . With this drive-train, the KTM EXC 525 is capable of reaching a maximum top speed of 180.0 km/h (111.8 mph) .

What is a 496 Mercruiser?

The new high-tech 496 MAG HO (high-output version) represents the next generation of powerful, smart, virtually maintenance-free engines. And by incorporating Horizon™ engine technology, it offers a 3-year extended maintenance interval (except for periodic fluid-level checks and seasonal oil and filter changes).

Are there any problems with the Merc 502?

502 No problems since I re-flashed the ECM. Not a big block, but I had a 1995 Merc 350 Mag EFI/MP with 734 hours and the EFI was flawless. It ALWAYS started. It could sit on the trailer for months, fire up within seconds, bang it into gear and NEVER even hiccup. Attached is a diagram of the efi 502 VST tank.

Is the Merc 350 Mag EFI / MP flawless?

Not a big block, but I had a 1995 Merc 350 Mag EFI/MP with 734 hours and the EFI was flawless. It ALWAYS started. It could sit on the trailer for months, fire up within seconds, bang it into gear and NEVER even hiccup. Attached is a diagram of the efi 502 VST tank.

How much fuel does a 502 VST burn?

Burns fuel like a honda. 15 gallons on saturday and towed tubers off the shore for 3 hours several trips to roadrunner and up to the dam and back. BTW, my 496HO takes a little oil but not a lot. I put about 2 quarts in over the entire summer. Attached is a diagram of the efi 502 VST tank.

What’s the difference between a 502 and a 454?

I know a lot of guys with the 502 Mag, and the original 454 Mag.. I don’t think anybody I know has ever had a problem with either of those motors, they are pretty bullet proof. The early 496’s had a bunch of problems, but I think they are all sorted out now.

What kind of engine does a 502 MPI Mercruiser have?

Exchange your 502 MPI for a rebuilt 540 CI EFI marine engine with a SCAT rotating assembly and DART heads putting out over 675 HP. These meticulously built 540 engines are sure to satisfy your horsepower cravings.We will rebuild your 502 MPI into a 540CI EFI with Mercury 525EFI fuel injection unit.

What is the engine number for a Chevy 502?

502/502 Engine (12496963 Base) Long Block Specifications Specifications Part Number 12487523 This 502/502 long block specification sheet should be used in conjunction with the 502 short block specification sheet, part number 19171883 Thank you for choosing Chevrolet Performance Parts as your high performance source.

What kind of engine is ramjet 502 long block?

The 502/502 base engine is a fully assembled long block. The ZZ502 and RamJet 502 Crate engines share the same part number long block (base engine). This engine is assembled using brand new, premium quality components.

Can a big block engine be replaced on a MerCruiser?

Whether customers are shopping for a new Mercruiser Marine Longblock Engines or Mercruiser Marine Bobtail Engines we are consistently faced with the questions of whether the 7.4L/454/502 Marine Engine can be replaced with the newer style 496 Cu-In (8.1L) big block V8 engine.