It had the jackscrews for the main caps and a 12. On the highway, I am getting about 16. We tried to get some help from Ford, but we were unable to find anyone who was willing to share any information, so everything in this article is based solely on what we have seen and pieced together along with the help of some other people in the industry. Rebuildable Core Engine planning begins with knowing the path you intend to take. Romeo blocks have jackscrew-secured, cross-bolted main caps.
How much money do you have to spend? Or go to a mustang forum…I bet someone else had similar experience. They had individual caps and the 10. This means you have to look elsewhere for answers in the power equation, such as more aggressive camshaft profiles, better heads, port work, hotter ignition systems, exhaust headers that breathe better, and state-of-the-art intake manifolds. Plasma moly rings are typically available from each of the piston manufacturers and are necessary to hold up under higher cylinder pressures. Think of an internal combustion engine as an air pump. None of them terribly serious on its own, but in concert, they made the car a Class-A beater. This is when you check connecting rod-to-block clearances with a slow, smooth crank rotation with pistons and rods installed without rings.
If a crank is on the list of upgrades, this may be a good time to look at increasing the stroke. And never has planning been more crucial than with the Modular V-8. Most two-valve Modulars were built with either a Windsor or Romeo cast iron block, with slight differences between the two blocks. When you disassemble your engine, inspect it for unusual wear patterns that could adversely affect your rebuilding efforts. The Lincoln Aviator, based on the Explorer and Mountaineer, was fitted with the 4. Not only do you need a good breakaway torque wrench, you need a torque-toyield gauge. I should have left well enough alone in this case, but at least my engine is clean.
On boosted applications, it is often necessary to employ an ignition amplifier, but our budget did not allow such extravagance. Yet one will bolt up to the other. Three-Valve Cylinder Head In 2004, Ford fitted the 5. This means less chance for failure down the road. This union created the most powerful production Mustang ever made at 500 hp.
Two basic pistons are offered in 2618 and 4032 alloys. Today it has 200K and is still running great. This one is being used to yank block dowel pins. Twin Turbo the Mustang or send my kids to college. What Ford, Mercury, or Lincoln model did it come from? The bigger bore, combined with a stock stroke, increases the 4. Regardless of who the builder is, all crate engines must be checked in great detail before you install them. Buti just tore it down today to find out it broke the key on the crankshaft holding the cam gears and now it has 10 out of 16 valves bent and gouges taken out of a couple of the pistons.
Also available is a 1-inch spacer for the passenger-car plastic intake that increases velocity, good for 4 to 5 hp. Invest wisely in a screwdriver; it will last a lifetime. Typically our engines are in stock ready to ship for those who have urgent engine needs. Typical overbore sizes are 3. If you have a 5.
Remember, you must have at least. Unlike the two-valve head, this head is driver- and passenger-side specific, not omni-directional. You may or may not want to consolidate as many of the cams as we do, so be sure to compare all the specifications before making your decision. You will learn everything from block selection and crankshaft prep, to cylinder head and intake manifold modifications. The tricky part about Modular engines transcends piston design.
Choosing the right balancer is crucial to engine life, specifically oil pump life. My only complaint so far is mileage. This is why teardown and inspection are as critical as buildup. In the interest of full disclosure, this author owns or has owned four vehicles powered by the 4. You may use it again and again for not only balancers, but steering wheels and other interference-fit items.