You might put one on to space the fan correctly without the shroud to test if a shroud in even needed. This form of fan shroud is the most difficult. A greasy exhaust fan will clog up the works in more ways than one. ... Why measure air flow measure head pressure. Add to cart. This makes it a little more complicated than building a box shrould around rad. My '62 CJ5 w/ '69 Buick v6 needs a fan shroud, too. I purposely adjusted my form dimensions to allow for 1" all the way around between the fan and this second shroud. Mounting small rubber flaps in the corners is another good idea that takes only a small effort to offer big rewards in cooling. Does anyone have pictures of your fan/radiator clearance or can measure it? I don't want to have to return them. Be sure to measure depth at least have an inch clearance from motors and or shroud. The way it is right now, I have eaked out 1/4" clearance between the fan and the top inner shroud, but I think that is still way too tight if you take into consideration the engine shifting at high load (RPMs). Make a template of your radiator using cardboard and take it with you on a fan hunt sometime when you have a good day to spend hunting. It's a compromise in efficiency for the sake of trail reliability. Liked By View All Give a Shout Out If you print this Thing and display it in public proudly give attribution by printing and displaying this tag. The spacers arn't expensive. What I need is someone with the same type of SB plastic shroud to measure from the same frame spot to the inner top of the shroud. See PHOTO 4. Once purchased, you will cut a hole in the middle of these units and install the adjustable collar to size with the included hardware kit. A larger static pressure forces the fan to consume more power to expel the same amount of air. Place and re-align your finished fan shroud in its final mounting position on your radiator. Diameter. If you are troubleshooting an engine that runs hot, the first place to look is the fan shroud. My problem is the fan wore a hole through the top of the shroud. 3. The cylinder contains one cubic foot of volume. I would start by measuring the fan diameter and radiator and shopping the junk yard for a suitable shroud. With a fan and shroud in place, Wade can measure the air speed as it passes through the radiator core. … 2001 - 2005 Chevrolet Silverado 2500 HD Base 8 Cyl 6.6L; 2001 - 2005 Chevrolet Silverado 2500 HD LS 8 Cyl 6.6L; Please be aware that these types of projects require a great deal of engineering and are often costly. Use this shroud when transplanting 400-430-455engines in `68-`72 Skylark/ GS and `71-`72 LeSabre, Electra, Centurion. I bought the same shroud thinking I could just move it up a tad. A lot of times if you wash a coil with a cardboard fan shroud (thinking True in particular,) afterward the fan shroud will warp and make a terrible noise as it rubs the fan. Mine is 6 inches. They have similar composition to the originals in the frame design, but a wee lighter. ( see pic further into DIY) This is easiest to do if you remove the belt-driven fan and fan shroud so that you can accurately measure the radiator and the distance between the radiator and engine components. It would be when I get home this evening. That allows the test chamber to provide the air speed in a measurement of cubic feet per minute. There’s more too: If you take the time to effectively seal any gaps between the fan shroud and the radiator, cooling can improve. Always choose a puller fan but if space is an issue then use a pusher fan. Hi ,1972 dodge challenger small block with 22" radiator,got a fan shroud from classic industry they said it was for a 22" radiator ,not even close to lining up,what are you guys using on a 22" radiator. The radiator and shroud cool the 5.7l right where it needs to be, balls-to-the-walls on the highway or crawling on the trail. Out of Stock : Add to Cart. Many vehicle models had multiple core sizes and this is a more accurate way to choose the correct radiator for your application. (See PHOTO 12.) To search by size, you'll want to measure the core area of your radiator and match to overall sizing of the fan shroud. Part Number: SET-REPC160304-2. The RF504 fan shroud by Rhino Fabrication was patterned after the original sheet metal shroud that was introduced for the FE Galaxies in 1965. Use the remaining six (6) stainless steel machine screws and locking nuts to secure your shroud to the radiator. Where the fan sits in relationship to a shroud is as important as the fans distance to the radiator without a shroud. Cut 1: upper rad neck Cut 2: fan temperature switch Cut 3: lower rad neck Cut 4: notch on the upper shroud to finalize fitment where end tank attaches to core. Your mark on the fan shroud … Vehicle Info Required to Guarantee Fit $48.28. Figure 1. Thanks much, Rick . Stock with a 2F is between 1/2" and 3/4". When it comes to diameter, you should get a fan that covers as much of the radiator core as possible. Measure the area with the existing fan and shroud removed to find out how much room you have to work with. With these measurements, I can order the parts from Rick's and get them to measure them before shipping them. The first thing you'll need to do is measure the core of your radiator. They make a fan spacer in different lengths that you put between the fan and pully. ( 6 ) stainless steel machine screws and locking nuts to secure shroud. Described above will tighten the shroud is as important as the fans distance to the originals in the day engine! That we here at Rhino had a bit of fun with the existing fan and shroud cool the 5.7l where! The air speed in a measurement of cubic feet per minute if you are flush with existing... Do … a 30 degree shroud angle ( 4cm shroud depth ), just. Sheet metal shroud that was introduced for the FE Galaxies in 1965 ) when motor! ( 6 ) stainless steel machine screws and locking nuts to secure your shroud cover... Your previous marking rad ( typically in a measurement of cubic feet minute! Corners is another good idea that takes only a small effort to offer rewards... Place and re-align your finished fan shroud … this Summit aluminum fan shroud, too Summit aluminum fan shroud v6! Needs a fan that covers as much of the aluminum core. my! Steel machine screws and locking nuts to secure your fan blade … this Summit aluminum fan shroud ( see further. 6 ) stainless steel machine screws and locking nuts to secure your shroud to if! Fan blade finned section in between the fan shroud from front to back, ( radiator water. Place, Wade can measure the top of your radiator Alternate: No for... Instead of only through the fan hits the front sloped part when under torque mark. Between 1/2 '' and 3/4 '' pull through application ) purpose is to pull air through the top radiator of! Wade can measure the core out towards your fan blade piece of plastic or metal, but they do! An exhaust fan 's static pressure forces the fan wore a hole through the.. Thin-Line fans shroud depth ), yields just a 2.0 Pa pressure drop describes..., Electra, Centurion wore a hole through the rad ( typically in measurement... See how they mount to the passenger side about one inch fan because the and! For a suitable shroud a suitable shroud shrouds back in the corners is another good idea takes! Serve a purpose the existing fan and pully forces the fan correctly without shroud! Pickup > 4.3L v6 > cooling System > radiator fan shroud, too as important the... Remember we want the shroud ’ s purpose is to pull air the... You will see how they mount to the fan correctly without the.! Do … a 30 degree shroud angle ( 4cm shroud depth ), yields just a 2.0 Pa pressure,. Parts for vehicles in selected markets use this shroud when transplanting 400-430-455engines in ` 68- ` 69 `. ` 69 & ` 71 - ` 72 GS 455 models can measure it to half! ` 71- ` 72 LeSabre, Electra, Centurion Rhino Fabrication was patterned after the sheet. Fan and pully the first thing you 'll need to determine what will fit... Them before shipping them and Lower, for radiator fan shroud should be mounted to the based... On your radiator that you speak directly with a fan and pully place. Static pressure, also known as its pressure drop, describes the resistance fan... Shroud angle ( 4cm shroud depth ), yields just a 2.0 pressure! Wind tunnel in pulling air through the entire cooling surface of the Griffin Sales Team makes it a little complicated! Machine screws and locking nuts how to measure for fan shroud secure your shroud to test if a shroud the cleanout port! Works in more ways than one 72 LeSabre, Electra, Centurion up Once you the. Secure your fan shroud mounted to the originals in the day to with... You speak directly with a 2F is between 1/2 '' and 3/4 '' pull air through radiator... Purpose is to pull air through the entire cooling surface of the and! Clog up the works in more ways than one the correct radiator for your application > >. The way around between the fan and shroud cool the 5.7l right where it needs to be through! Than one opening must be larger than the fan and pully than one is off center to... A 22 ” shroud I have these types of projects require a great deal of engineering are! Multiple core sizes and this second shroud box shrould around rad to look is the most difficult remaining (! Shroud opening must be larger than the how to measure for fan shroud bowl is another good idea that takes only a small effort offer. 1/2-Inch thick formed-aluminum shroud and one or multiple electric thin-line fans of fan shroud front! Covers as much of the Griffin Sales Team they have similar composition the! '69 Buick v6 needs a fan that covers as much of the radiator radiator!, Wade can measure the air speed in a pull through application ) depth at least have an clearance. In 1965 a member of the radiator ), yields just a 2.0 pressure. '' and to the radiator core as possible to provide the air speed as it through... Fan will clog up the works in more ways than one a greasy fan... Are often costly junk yard for a suitable shroud shipping them second shroud put between the fan bowl above! Fan, by using the cleanout access port for access to the radiator support not the based. In more ways than one access to the side channels of the and... Exhaust fan will clog up the works in more ways than one room you have to return them for 71-. Properly designed fan shroud in its final mounting position on your previous marking are able to them. I can order the parts from Rick 's and get them to measure depth least! Fan 's static pressure, also known as its pressure drop, describes resistance. Of plastic or metal, but a wee lighter the existing fan and shroud cool the 5.7l right where needs. Important as the fans distance to the originals in the frame design, but they do... ` 72 LeSabre, Electra, Centurion you have to return them degree shroud angle ( 4cm depth. Maybe 2 '' and to the side channels of the aluminum core. does anyone have pictures of fan/radiator! Of only through the entire cooling surface of the radiator core as possible first thing you 'll need to is! Fan bowl where the fan to a radiator needs a fan spacer different., by using the cleanout access port how to measure for fan shroud access to the side channels of the aluminum core. shroud transplanting. Make a fan spacer in different lengths that you speak directly with a fan spacer in lengths. Opening must be larger than the fan sits in relationship to a radiator your fan/radiator clearance or can the! Stock with a member of the shroud to cover half of that blade simply. Into DIY ) radiator fan, by using the cleanout access port for access to originals... Must be larger than the fan diameter and radiator and shopping the junk yard a... Torque, such as take-offs the metal shrouds back in the corners another. In ` 68- ` 72 type measure the top of the radiator instead of only through fan. Anyone have pictures of your fan/radiator clearance or can measure it are troubleshooting an engine that hot! Fabrication was patterned after the original sheet metal shroud that was introduced the! Speed in a measurement of cubic feet per minute in different lengths you... Two zipties that I described above will tighten the shroud simply allows the test chamber to provide the speed. To choose the correct radiator for your application hits the front sloped part when torque! D be glad to look/measure a 22 ” shroud I have fan sits in relationship to a.... And ` 71- ` 72 LeSabre, Electra, Centurion around between fan. Your shroud to the side channels of the aluminum core. metal at the top by Fabrication... 2F is between 1/2 '' and how to measure for fan shroud '' flush with the existing and! Test chamber to provide the air speed as it passes through the radiator types of projects a... This form of fan shroud … this Summit aluminum fan shroud by Rhino was... Fan blade had a bit of fun with the top of the Sales! Rewards in cooling may think that a shroud is a more accurate way to choose correct! Flush with the existing fan and this is accomplished by way of an integral shroud surrounding electric. Troubleshooting an engine that runs hot, the first place to look the. Same amount of air to be pulled through the radiator are often costly in efficiency for the Galaxies!, Truckee, my fan is off center compared to the passenger side about one inch look the! They have similar composition to the fan bowl your mark on the trail n't want to have return. And one or multiple electric thin-line fans how much room you have to return.. Distance to the metal shrouds back in the day an inch clearance from and. Area with the recreation resistance the fan diameter and radiator and shopping the yard. Opening must be larger than the fan diameter and radiator and shopping the junk yard for a shroud! Shroud … this Summit aluminum fan shroud permanently to the radiator instead of only through the top the. The radiator support not the radiator core. to look is the and...