Ford Cylinder Heads and Valvetrain Interchange: Small-Block

Small block Ford made, after change L7 in 1965, requires the use of three potential cam thrust plates. These cylinder heads are affordable and you can iron most of the stock casting, without the farm to sell. Ford's redesigned small-block cylinder head for 1975, where therm actor smog pump plumbing was cast into the head, with pump access at each end of the head. Focal showed up to remove the chamber of the high places, rooms are hot spots and a source of spark knock. If you read the Ford Master Parts Catalog, you will find, change L8 in connection with the C4AZ-6019-B timing cover. A solution may be to flatten the oil slinger, which keeps you out of your dual-roller chain, where you can enjoy the benefits. From enthusiasts point of view, this rocker makes an engine sound great, because it makes a soft chatter, when there are 16 of them in concert. If you build a small-block, forget the seals, the old umbrella valve stem seals or the white Teflon valve. This combination is easy to recognize, because the water pump is smaller, and the timing cover is designed only for the reverse-flow water pump. For injection engines, there is no eccentric and the 1.125-inch pin designed to penetrate, only the cam sprocket. The 351C-2V open chamber head was used from the beginning of 1970 (D1AE-AA and D1AE-CB) and continued with the 351M and 400M engines. He commissioned a competition valve job and bowl work, but you have a CNC-ported head, you can buy from Ford. Laser-cut guide plates yield a perfect fit. Expect 319.7-cfm intake flow, and 227.7-cfm exhaust.550 customs. Edelbrock manufactures an Australian-style-351C-aluminum cylinder head, offers a lightweight design, good temperature, power loss and improved flow. Away from this design and go with the one-piece-dog-ear-thrust plate and the pinion for the sake of simplicity.

Decoding Ford date codes - Ford casting ID numbers

Big Block Ford C Style Racing Cylinder Heads Pro-Filer

However, Ford Australia the best features of the North took the American head and rolled into a large cylinder head. A nice thing about the GT-40 head is its compatibility with almost any suction pipe or header. The C6DE-C and C6DE-E heads are cast therm actor smog-system-not much, unless you run a restoration on a 1966 Ford or Mercury originally fitted with this emission-control system. The 351C-4V open chamber heads (D1ZE-DA and D1ZE-GA) offers little in terms of advantages, because of its open-knock spark chamber design loses compression and is getting worse. Beginning in 1970, as the water pump inlet was moved to the left side for improved crossflow radiator, the timing pointer was moved to the right side. Scott Drake valve cover have designed a unique oil-splash scenes to delete all the valve train components. Although this book is primarily Ford parts interchangeability, it is also about using the best parts and building a better Ford V-8. A fundamental shortcoming of the 351C open-chamber head is bad are breast-feeding, what will knock these heads are prone to pinging or spark, regardless of how you tune the engine.

Ford Part Numbers, Casting Numbers, and Date Codes

The others were set, and either used or new old warehouse stock in original packaging. With the advent of fuel-injection came from the right valve cover oil inlet and closed crankcase ventilation hose. Where the Hi-Po is different head, valve spring pockets and screw-in rocker-arm studs for better stability at high rpm. Made of A356 T6 cast aluminum, the Z-head offers improved flow numbers and more power, when you give them your best attention. The Boss 302 in the head, pushrods, guide plates and screwin rocker arm studs, such as the Boss 351 head, because both have adjustable mechanical tappets. This is the head of Ford is used on the 1986 5.0 L High-Output V-8 with Sequential Electronic fuel injection (SEFI). Cleveland-head-small block Ford as the Boss 302 received stamped chrome plated steel valve cover for the 1969 and early 1970. Although we three here, there are more variations out there, as the aftermarket also makes the timing covers. At the beginning of 351W production in 1969, combustion chambers look like, shaped like a shovel, with 18-mm tapered-seat spark plug holes. The first changes came at the 2. May 1966, in the case of Ford, the rail-style rocker arm went, that is for extra clearance between rocker arm and valve cover.