What should the compression be on a Dodge 318?

What should the compression be on a Dodge 318?

Mind you the minimum cranking compression for a 318 as specified in the factory service manual is 100 psi.

How much compression should a cylinder have?

Healthy engines should have compression over 100 psi per cylinder, with no more than 10 percent variation between the highest and lowest readings.

How much compression should a 4 cylinder have?

Most new engines in good condition compress at around 175 psi. If we look at the example above, we find that the #4 cylinder at 160 psi is O.K. But let’s compare it with the cylinder having the highest pressure level at 175 psi.

What size is a 318 bored 30 over?

Do the math. On your 318, for example, you’d still have a 3.31″ stroke, but the bores would be 3.940″ on a . 030″ overbore (3.910″ stock bore + . 030″ overbore).

What size is a 318 motor?

Engine Specifications
Engine model Chrysler 5.2 L (318 cu in) Magnum
Displacement 5.2 L, 5,211 cc (318.0 cu in)
Fuel system Multi-point Fuel Injection
Power adder None

Will a 360 crank fit a 318?

Baxter61 Well-Known Member. The 360 crank is not a “bolt in” as the main journals are larger; you need to have the journals machined down to the 318 size to drop it in the block.

Is a 318 a good motor?

The Good And The BadIn terms of durability, the Mopar 318 is robust. The bottom end of most 318 engines used a cast-iron crankshaft, and though these are not as desirable as a forged crank, the cast-iron piece has proven to be very reliable.

How much HP does a 318 have?

The power ratings of the new LA-series 318 were exactly the same as those for the old polyspherical-head design, 230 hp and 340 lb-ft….Premium Member.

Specifications (net) 318 (2 barrel) 340 (4 barrel)
1977 horsepower 145 @ 4,000
Torque, 1971 (SAE net) 260 @ 1,600 305 or 310

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