Question: Why The Horse Power Drop In The 1972 318?

How can I get more horsepower out of my 318?

IF you just want to make BETTER power than a tired *** old 318 has, that’s easy. Have the stock heads rebuilt with a 3 angle valve job and new guides, possibly even shaved for a little more compression, get a set of ****** headers, Edlebrock intake, a medium street strip cam say about 280 degrees of duration.

How many miles will a 318 last?

Like any engine, it depends on routine maintenance and how the engine has been treated over its lifespan. Some may last 2 miles, some 400,000 or more. There are a few things that need attention at higher miles just like any engine.

Can you put 340 heads on a 318?

The 2.02 valves on a 340 head are complete overkill on a 318 unless you are running it constantly in the higher rpm’s. The larger valves can actually hurt your low end.

How do you turn a 318 into a 340?

to achieve 340 cubics with a 318 you will need a stroker crank. yep, to get up to 340 with a 318 you’ll need a stroker kit. around 1500$ or more for a kit with everything you need, including the crank, bearings, pistons, rings, and connecting rods. Get a 360!

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Can a 318 be bored to a340?

just not possible. IF you want to use the 318, put a stroker crank in it and make a 390 out of it or build a 360 and be done with it. i’ve heard some say that the 68-69 la 318s you could bore. 090 over because of the steel that it is made out of and the walls are thicker.

Is the Mopar 318 a good engine?

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.

Are 318 and 360 Magnum heads the same?

318 and 360 magnum heads are the same casting. 58cc chambers and 1.92/1.625 valves. Your 360 heads are probably just 1.88/1.60 and something like 75cc. The magnums have a 1.6 ratio rocker arm so that will raise your cam lift.

How many miles will a 5.2 Magnum last?

The 5.2 Magnum can last to 300,000 miles and onwards, but expect to end up replacing a number of parts before you hit this mileage.

What engine is better 318 or 360?

the 318 engine has been known to be very reliable and I haven’t had any problems with mine and the 360 has a little more power and may get a little worse gas mileage but will move the truck a little better, but both a great for towing.

What is a 318 stroker?

Mopar’s 318 small-block engine is the ultimate sleeper engine. One of the most common Mopar V8s of all-time, the 318 is reliable, affordable, and readily available. Since most 318s are extremely durable too, the unassuming little engines make the ultimate foundation for a potent stroker engine.

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Will 360 heads fit on a 318?

yes 360 chambers are largerthat is why the talk about milling the heads 302 head has the same small ports and valves as the 318 head in stock form.

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