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 |