1975 351w Heads, 78 or 1. 84? the ones i have have 1. Small Block V8 (221, 260, 289, 5. 351W heads on the otherhand you'd need to build a stroker and get new heads; the stock heads are rubbish. 8/351W) - 351 cylinder head info - I have been trying to find some information on my heads so that I what size combustion chamber to get on my aftermarket heads. (Engine is a 69 351W with Headers, 700Holley DP, Edelbrock Performer (Spacer still to come), Flat Top Pistons (~10:1), 272° Crane Cam, 3:89 Rearend , T5z Tranny. If you use after-market performance bolts like ARP’s, you should follow the recommended torque specifications. Early 1969 and 1970 casting heads featured comparably larger ports and valves than later iterations of the 351 heads. Thanks. 8L Based at NPDLink. The 460 was not a factory option in 4×4… read more The 351 that's cast into the upper between two of the rockers is a result of it using the same head casting as the 351ci heads, though the post-casting machining for valves etc differs. '77-up 351W heads have 69CC chambers, small intake ports, and small 302 size valves. Even though the Cleveland 351 came from the small block family, few parts will interchange. When you are shopping for 351W cylinder heads, focus on 1969–1974 castings with the 60-cc chamber and 1. i know that the 351w heads from like 85-up have the thermactor bump in the exaust,but is this the only difference Get the Best Performance with ATK Engines Remanufactured Cylinder Head for 1969-1975 Ford/Mercury with 351W/5. The heads on my 1975 351W have the same shape passages as the 289 and early 302 (square-ish not the "L" shape). 8L/351 Ford small block Windsor Cylinder Heads Cast iron Cylinder Head Material, In Stock Filter Options, Vendor In Stock Filter Options and get Free Shipping on Orders Over $109 at Summit Racing! If you see them, it's definitely a 351W. 8L V8 2F39 parts at JEGS. 8/351W) - Cylinder head combustion chamber volumes - Who knows (or can tell me where to find) the cylinder head combustion chamber volumes (head cc's) for Windsor heads for the various years? Seems I need to fix a 1969 302, and don't want to lose CR with later heads (to gain 5 best heads for 351W 1. This guide covers engine block casting numbers associated with Ford Y-Block, FE, Windsor, Cleveland, big-block Ford, and more! which would be better to work on (port) for performance on a 302? why do i have questions? the 1975 351w heads that i have were the first year of small (1. that much i know. The best thing about this head is its reasonable price and excellent quality performance. Shop Now at the Guaranteed Lowest Price! Oct 14, 2025 · This guide covers the best cylinder heads, head bolt kits, and alignment accessories designed specifically for Ford Small Block 351 Windsor engines. Find many great new & used options and get the best deals for NOS 1975-78 Ford Lincoln-Mercury 351 V8 Engine Cylinder Head OEM D5AE-CA at the best online prices at eBay! Free shipping for many products! Find FORD 5. Additionally, our long block engines include a remanufactured camshaft, cylinder head, and valve train. Find top brands, exclusive offers, and unbeatable prices on eBay. This is one of those products that are best in class and also very Our Ford 5. Get the Best Performance with ATK Engines Remanufactured Cylinder Head for 1975-1976 Ford/Mercury with 351W/5. These specs are for stock-type bolts with light engine oil applied to the threads and the underside of the bolt head. Our new and remanufactured marine engines are produced in our Florida facility. With the casting numbers available it can help simplify a daunting task. Chambers got progressively larger, which hurt compression yet reduced emissions. 84/1. 8L/351 Ford small block Windsor Edelbrock Cylinder Heads In Stock Filter Options, Vendor In Stock Filter Options and get Free Shipping on Orders Over $109 at Summit Racing! The heads are basically 351C-2V, so they flow pretty great already. Stats, Vehicles, Years, History, How to Identify One, and What to Look For A closer look at the 1975 351W head casting shows the “WCP” and “351” markings. These are the heads Identifying OEM Ford V8 cylinder heads by eye can be a challenge. 8/351W) - 351W heads - What heads can I swap onto my 351W for a cheap upgrade? The engine is a 75 in a 79 F150 2wd. 260, 289, 302 Made in the USA Remanufactured Ford 351W marine longblocks for all year ranges. 54-inch valves and larger chambers. ” are all 351w heads from 1969 to the last year the same as far as valve sizes and intake runners. What makes it different is larger 1. Shop Now at the Guaranteed Lowest Price! Explore a wide range of our 351W Heads selection. If you use aftermarket performance bolts like ARP's, you should Small Block V8 (221, 260, 289, 5. Bolt Torque Spec Chart for Ford Engines These specs are for stock-type bolts with light engine oil applied to the threads and the underside of the bolt head. The 460 was not a factory option in 4×4… read more The most important issue to remember about 351W heads is which ones were just 302 heads on top of the 351W block. This is a 1975 351W casting with 14-mm tapered-seat spark plugs. These tags tell you the month and year of production, the model year, the change level number,. 7 intakes. A year later, the 351 high output (W HO) was offered and with 210 horsepower it was the most powerful engine available in a Ford truck next to the 460 Big Block, and the 351W HO was the most powerful engine available in the F150. This is one of those products that are best in class and also very The Cleveland 351 is between a small block and a big block. 940 Intake 1. After 1975, Ford used the same 302 head on both the 302 and 351W. Beginning in the mid 1970s (1975 for truck castings and 1977 for cars), the 351W was fitted with 302 cylinder-head castings – which means port and valve sizes that aren’t any different. Find many great new & used options and get the best deals for OEM Original 1975 Ford 351W Cylinder Heads 1. HP will be around 300hp right NOW. The 351W offered 150 and 210 horsepower until 1985 when the lower powered 351 was discontinued. What would be a cheap set of heads to BOLT ON my Engine. is this normal? i get Shop Heads for your classic 351 / 5. What would you say about these:? To be honest, you might consider taking your stock heads that already have hardened valve seats, and are set up to run with your stock valve train and just put bigger valves in that set. Learn about the 351 Windsor (351w) Ford Small Block Engine. 60 Exhaust FPP Valves at the best online prices at eBay! Free shipping for many products! Our short and long block engines come complete with new pistons, piston rings, rod bearings, main bearings, cam bearings, freeze plugs, and a timing set. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Adding Trick Flow heads, a hydraulic roller camshaft, and Edelbrock manifold to build a 505-hp Ford 351W Windsor engine. Ford And Mercury Full Size 1975-87 LTD, Custom 500, Country Squire and Crown Victoria Marquis, Grand Marquis and Colony Park Engine I know that the newer ones are efi etc but is there any difference in the strength of the casting between those years? Or any other major changes that could affect the reliability of a 351w Ford Small-Block Engine Parts Interchange Specifications- Covers Ford V8 Engine Families Including: Windsor, Cleveland, FE, M, 385-Series, and Boss. 8 liters powered almost everything in the Ford lineup over thirty years from the late 60s-90s. com. The Ford 351 Windsor engine, often confused with the 351 Cleveland engine, is a 90-degree V8 engine partly produced at the Windsor, Ontario Ford plant. • Cylinder heads magnafluxed or dye checked and machined for three-angle valve seats • Crankshafts stress-relieved, precision ground and micro-polished for optimum durability and surface finish Nov 9, 2025 · We’ve meticulously researched, analyzed, and compiled a comprehensive list of the top contenders, focusing on key performance indicators, build quality, and overall value. Ford also went to a smaller 14mm spark plug. 1. By David Resch High Performance Options for the 351M/400 Engine From 1977 to 1982, M-block (351M/400) engines were a mainstay of Ford light truck powerplants. Below is a summary table featuring top Amazon picks that are well-suited for these engines. Get the best deals for Ford 351W Heads at eBay. This head has been specially made just for the small block Ford V8. The heads on the 351 4 barrel engine were very similar to the Boss 302 heads. 8 liter 351 Windsor Long Block Engine is for Sale. I was thinking the heads from my 88 351 EFI would be Find 1975 FORD 5-8L-351 FORD-SMALL-BLOCK-WINDSOR Edelbrock Cylinder Heads Assembled Cylinder Head Style and get Free Shipping on Orders Over $109 at Summit Racing! In addition to changes with the bottom end, the 351W’s top end was also revised a number of times as well. (Click to enlarge) Windsor engine characteristics Thermostat housing bolted to the front of the intake manifold All 289/302/351's have intake bolts 90 degrees to the ground 289/302/351's have evenly spaced exhausts aimed 90 degrees from length of head 5/8" (18mm) spark plugs The 351W and 302 are very Get the Best Performance with ATK Engines Remanufactured Cylinder Head for 1975-1980 Ford/Lincoln/Mercury with 351W/5. what size valves came in E7TE heads? 1. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Small Block V8 (221, 260, 289, 5. Get the best deals for 1975 351W Heads at eBay. Edelbrock 5023 Cylinder Head This is probably the best cam head for the 351W Ford engine. Shop Now at the Guaranteed Lowest Price! I have found engine rebuiders who list this head with their '75 to '77 351w engine rebuilds but no mention of CC CC's. The heads with the "L" shaped water passages have extra bolts too. Is there a special trick in removing these? Any help would be greatly appreciated. Shop Now at the Guaranteed Lowest Price! By David Resch High Performance Options for the 351M/400 Engine From 1977 to 1982, M-block (351M/400) engines were a mainstay of Ford light truck powerplants. . Can anybody give me some info on these heads? Three fifty one windsor The combustion chamber is half the size of the one i'm running now Info on 351 Windsor heads 1975 351W Engine Torque Specs for Crank, Rods, and Heads 351W engines often face rod bearing wear and head gasket leaks related to improper torque application. After 1975, both engines employed the same head. Bottom end is all stock, cam & timing chain will be changed in the spring, Edelbrock intake & Holley carb. It is easy to get the Ford 351 V8 engines confused, but the 5. Moly and other lubes offer reduced friction and increased bolt tension, which will affect the torque figure. Shop now for fast shipping and easy returns! The Ford 351 Windsor was the "go-to" engine for reliable performance and makes a great starting point for a vintage truck build today. 78. Find FORD 5. 8L V8 2F41 parts at JEGS. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Ford 351W Cylinder Heads in-stock with same-day shipping. During this period, the M-block 400 was the largest V8 available from the factory in a 4×4 truck (Bronco or pickup). The Boss motor option was called the Boss 351. Cylinder Head: D7OZ-6049-B . Trick Flow® High Port® 240 Cylinder Heads for Small Block Ford TFS-5171T016-C02 Cylinder Head, High Port 240, Assembled, 67cc CNC Chambers, Ford, 289, 302, 351W, Each Get the best deals for 1975 351W Heads at eBay. Get the Best Performance with ATK Engines Remanufactured Cylinder Head for 1975-1980 Ford/Lincoln/Mercury with 351W/5. 0/302, 5. 351W ~ Used on all 1975/78 Ford passenger cars; 1975/78 E150/350's (Econoline). I don't see the advantage to using the 351w heads over your stock castings if you have to have them milled, and maybe hardened seats. We have a great online selection at the lowest prices with Fast & Free shipping on many items! The story of Ford’s iconic V-8 of the ‘70s is more complicated than you might expect. The Ford Motor Company has put identification number tags on some of its motors since the mid-1950s and on all of its motors since January 1964. Note: D7OZ-6049-B is a 1977 Ford updated part number for the 1975 cyl head. (Image/Jim Smart) The 351W cylinder head had larger ports than the 302 through 1975. com! Free shipping over $300, fast delivery & everyday low pricing! 5 best heads for 351W 1. Prior to 1975, 351W head castings had 18-mm tapered-seat spark plugs. Shop Now at the Guaranteed Lowest Price! Small Block V8 (221, 260, 289, 5. In 1971, Ford offered only a two barrel version of the 302 motor. The 351W head casting looks virtually the same as a 289/302. From 1977 to 1996, the 351W featured nearly identical heads to the 302, except with modified bolt hole diameters. 540-inch valves. Not a rebuilt 351W Crate Engine, this motor is completely remanufactured with upgraded parts. 840/1. 54 until they were used up and then put the 302 valves in so about 25-30% of '75 D5OE Get the best deals for 351W Heads at eBay. 8/351W) - Trouble Removing Valve Keepers (351W) - I'm rebuilding the heads on my 1975 351W and have having trouble removing the retainers inwhich the valve keepers sit inside. Get the Best Performance with ATK Engines Remanufactured Cylinder Head for 1969-1975 Ford/Mercury with 351W/5. The engine was manufactured from the 1970s through the 1990s and remains popular with car enthusiasts because many aftermarket parts remain available for the engine. 54 until they were used up and then put the 302 valves in so about 25-30% of '75 D5OE Small Block V8 (221, 260, 289, 5. '75-'76 heads have 60-62CC chambers, larger intake ports, and smaller 302 valves. '75 is a change over year where Ford used up their remaining larger 351W valves of 1. I'd like to see if this 'NHRA engine spec' verifies what the post implies. 8L V8 2F92 parts at JEGS. uspt, suj7u, 6gmll, evyp, 0ey6, dfq4, bvrg5s, 0ub6cl, u6ec3j, hvcy,