Ford Modular Motor DIfferences. Ranging from early to later years. In the past couple of years  more and more people are swapping the Ford 4. L modular engine. More than likely youre reading this article because youre trying to get some insight on the 4. L before choosing to use it. This article wont tell you how to install a 4. L ,but it will give you some insight on the 4. L to help you choose the right engine. In The Beginning The modular motor was originally introduced back in 1. Lincoln Town Car applications, though it wasnt until 1. L Windsor in the Mustang, and in 1. F series. The 4. L 2. CID V8 has been offered in 2 valve SOHC, 3 valve SOHC, and 4 valve DOHC versions. It has also been produced with both iron and aluminum blocks. The 4. L SOHC 2 valve engine was the fleet engine of choice for taxicabs and police cars as well as hundreds of thousands of Crown Vics, trucks, vans, and Mustangs, theyre usually easy to find and cheap to buy. Romeo, Windsor, Teksid, WAP, Triton Intech Whats In A NameIn the past couple of years more and more people are swapping the Ford 4. L modular engine. More than likely youre reading this article because youre trying to. Shop from the worlds largest selection and best deals for Car Truck Key Blanks. Shop with confidence on eBay Motor Trend reviews the 2015 Ford Transit Connect where consumers can find detailed information on specs, fuel economy, transmission and safety. Find local 2015 Ford. AutoTechInSTL/2007-11-20_090712_ja5.gif' alt='How To Program A Pats Key Ford' title='How To Program A Pats Key Ford' />View and Download Ford CMAX HYBRID 2015 owners manual online. CMAX HYBRID 2015 Automobile pdf manual download. Generally for a PATS vehicle you must have two other programmed PATS keys to be able to add more. This applies if there are two or more key codes in the PATS memory. Programming PATS key with AutoEnginuity 1997 2003 F150. In a nut shell, not all 4. L engines are built the same. Start reading the multitude of forums on the internet and youll see people referring to the 4. L engines using names like Windsor, Romeo and Teksid. So what do the names mean Romeo Romeo is an engine plant. The first 4. 6. L engines built were produced in Romeo Michigan beginning in 1. Fords old tractor plant just outside of Detroit. Most Romeo blocks are marked with an R in the block. How To Program A Pats Key Ford' title='How To Program A Pats Key Ford' />Windsor Windsor refers to the Windsor engine plant in Windsor, Ontario Canada. Ford added this second engine plant in 1. L and 5. 4. L engines. As noted above, 1. L showed up in the F 1. Windsor blocks are all marked with a W in the block in two places. Teksid Teksid just refers to aluminum blocks made from 1. Teksid in Italy. The engine itself was assembled in Romeo, Michigan. The Teksid blocks are said to be capable of handling 1,2. Fiat owns Teksid S. A., the largest iron foundry group in the world with a production capacity of approximately 6. The company was established in December 1. Teksid, which is specialized in casting and processing iron, has plants in France, Portugal, Poland, Brazil, Mexico and China. Since 2. 00. 7, Teksid S. A. runs also Teksid Aluminum S. Windsor Aluminum Plant WAP Not all aluminum blocks were built by Teksid. The Windsor Aluminum Plant began production of aluminum blocks in 1. Triton Triton simply refers to truck engines. Intech Simply refers to the engines in Lincolns. Determining Engine Type By VIN It is possible to determine if you have a Romeo or Windsor engine by looking at the 8th character in the vehicles VIN number. VIN Y for the Mustang Cobra refers to the 2. DOHC supercharged model. VIN 3 for the Ford trucks refers to the supercharged SOHC Lightning engine. VIN 6 refers to 4. L SOHC Windsor produced engines. VIN W refers to 4. L SOHC Romeo produced engines. VIN X refers to 4. L SOHC Windsor produced Mustang engines. Here is a partial list of vehicles and the engines that came in them Year. Make Model. Engine VIN Code1. Ford Crown Victoria. Romeo SOHC W1. 99. Ford Expedition. Windsor SOHC 61. Ford Thunderbird. Romeo SOHC W1. 99. Ford Truck. Romeo SOHC W Windsor 61. Ford Van. Romeo SOHC W1. Lincoln Town Car. Romeo SOHC W1. 99. Mercury Marquis. Romeo SOHC W2. Mercury Mountaineer. Windsor SOHC 61. Mercury Cougar. Romeo SOHC W1. Ford Mustang. Windsor SOHC X Romeo W1. Ford Mustang Cobra. DOHC V Y2. Ford Thunderbird. DOHC V1. 99. 5 2. Lincoln Continental. DOHC V1. 99. 3 1. Lincoln Mark Series. DOHC VThe Mustang can be found with the Romeo or Windsor engine. The 1. 99. 6 1. 99. Mustang GTs used Romeo engines. The 1. 99. 9 and most 2. Mustang GTs had Windsor engines. The 1. 99. 6 1. 99. Mustang Cobras used the aluminum Teksid blocks. Whats The Difference In BlocksThere are a variety of differences between the Romeo and Windsor engine blocks. Although Romeo and Windsor Modular engines look the same on the surface, theyre different inside. Here are the basic differences in Romeo and Windsor engines Romeo was the only Modular engine plant from 1. Windsor came on line for 1. L and 5. 4. L SOHC engines for trucks and vans. Although Romeo is primarily a car engine plant, it has produced Modular engines for trucks. Although Windsor is primarily a truck engine plant, it produced Modular engines for the 1. Mustang GT. Although they look similar, Romeo engines employ different blocks, heads, and cranks than Windsor. Most Romeo blocks are marked with an R in the casting. Windsor blocks are all marked with a W in the casting in two places. Romeo heads employ bolt on cam journal girdles. Windsor heads dont have cam journal girdles, just individual journals. Because Romeo and Windsor engines have different timing covercam cover bolt hole sizing, it is best to use Romeo heads and blocks together and Windsor heads and blocks together. Romeo blocks have jackscrew cross bolted main caps. Windsor blocks have dowel pin cross bolted main caps. Romeo engines have primarily six bolt flywheelflexplate flanges. Windsor engines have eight bolt flywheelflexplate flanges. Oil filtercooling neck types vary depending on vehicle type. Timing cover depends on vehicle type. Romeo cam sprockets are zero fit and slip right on. Windsor cam sprockets are pressed on. Romeo cam covers have 1. Windsor cam covers have 1. Different timing covers for SOHC and DOHC. Adobe Audition Full Cracked. Same basic timing chainsprocket system for both SOHC and DOHC. DOHC engines have secondary timing chains for secondary camshafts. SOHC has a standard oil pump and DOHC has high volume. If youre building a 4. How To Program Toro Esc Software. SOHC engine, you need to know there are two basic Windsor block castings, and four basic Romeo block castings. Latest Video Card Driver For Pci Express Adapter here. Its a good idea to keep Windsor heads with Windsor blocks, and Romeo heads with Romeo blocks to eliminate any confusion in your engine build. If youre going to interchange parts and castings between the two plants, you better know exactly what youre doing or expect all kinds of disappointment, wasted time, and expense. Note the R in the casting indicating that this is a Romeo block. If you look closely at the aluminum block above it has a diamond pattern in the casting on the top of the block. This identifies this as a Windsor Aluminum Plant WAP block. If the block had squares it would identify it as a Teksid block. In the casting numbers below V Lincoln 5 Romeo truck block in 1. F 1. 50. 19. 91. F1. AERomeo SOHC Block Solid transmission dowelsSame bellhousing bolt pattern as small block Ford. F2. VERomeo SOHC Block. F4. VERomeo Block Hollow transmission dowels used with AODE transmission1. F6. AZ CBRomeo Mustang Block. F6. 5E CC F6. VE F7. VERomeo SOHC block Block has a second bolt hole to mount the extended housing that moved the oil filter to the back, closer to the bell housing, to provide enough room for an oil cooler. Block may have been used in Crown Victoria Police Interceptor package. F7. AE XW7. ERomeo SOHC block F7. AE Probably used as the primary block in 1. Expedition. Block has a second bolt hole to mount the extended housing that moved the oil filter to the back, closer to the bell housing, to provide enough room for an oil cooler. Block may have been used in Crown Victoria Police Interceptor package. F6. 5E BB F7. 5EWindsor SOHC block. Dont confuse the F6. E BB Windsor block with the F6. E CC Romeo block. F6. LZLincoln Mark VIII DOHC block. F6. LZMustang Cobra DOHC block. SOHC Cylinder Heads The 4.