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Ford Performance B303 Performance Camshaft (85-95 5.0L)

Item 24068
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      Video Review & Installation

      If you're after a bunch of lope and a solid increase to both mid and high range power, the B303 cam from Ford performance would be an excellent choice for your '85 to '95 5-liter Mustang. Now, the B303 roller cam will require the use of aftermarket valve springs for both stock or aftermarket EDs and will be recommended mainly for stick cars out there but AOD guys can get in on the fun when using an aftermarket stall. Price point for the cam by itself will be in the high hundred dollar range. And the install, according to the site, will get a full-blown three out of three wrenches on the difficulty meter and about a day's worth of work depending on your expertise. So, the good old alphabet cam debate rages on, right? B-cam, E-cam, F or X, which is gonna be the right one for me and my 5-liter? Well, listen guys, I'm not here to stoke that debate. However, what I am going to do is talk to you a little bit more about that B-cam and what it will deliver. So, right off the bat, guys, the B-cam is going to be a little bit peakier thanks to its longer duration when compared to that other very popular choice in the alphabet cam lineup, the E303. In fact, you're looking at 224 at 50 with the B-cam compared to 228 at 50 with the E-cam for reference. So, that basically means, again, the B-cam is going to perform very well above 3000 RPM. Whereas that E303 cam is going to be a little bit better for street use, thanks to its lower end or broader power band. Now, because you are getting more duration here with the B303 cam you are also giving that awesome idle which can make the car a little rough around the edges on the street in regards to overall drivability and, well, idle. Now, despite having more overlap, the B-cam is slightly smaller compared to the E303 when we are talking about overall lift, as the B-cam is gonna come in at 480 thousandths of lift compared to the E-cam's 498 thousandths, both when using a 1.6 rocker. Now, expect those numbers to increase slightly by 30 thousandths when using an upgraded 1.7 rocker. But going back to what we said earlier about power band, and it is very important to point out, guys, that Ford Performance is gonna state the B-cam should primarily be used with stick car application unless, of course, you're running a little bit more gear along with a converter in your AOD equipped Mustang. Another big thing to consider, guys, is that going with the set of GT40 heads or something similar that will move more air will ideally maximize potential of the B303 here. Now, the B-cam will also accept stock pushrod length but again will require the use of aftermarket valve springs providing you with at least 120 pounds of seat pressure along with 295 pounds while open. Now, the specific spring or part number will differ depending on which head you end up going with, so just make sure you reference the site depending on your setup. Now, as far as your install is concerned, well it's not going to be for the novice mechanics out there. So, that's why the site did kick this one up to a full three out of three wrenches on the old difficulty meter, while calling the job at least a day or so to get completed, but that really does depend on your expertise when doing this type of work. But wrapping things up, guys, if you're looking for a legendary budget-friendly camshaft to provide your 5-liter with a little bit more power and a lot more lope, then you should definitely be checking out the Ford Performance B303 Camshaft right here at americanmuscle.com.

      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation

      Features

      • Street Performance
      • Excellent Replacement Cam
      • Hydraulic Roller Lifter
      • Sold Individually
      • For 1985-1995 5.0L with 1.60 Rockers

      Description

      Street Performance. This Ford Racing cam is a excellent replacement choice for good low-end torque, a significant increase in top-end power above 4,000 RPM, and a fair Idle.

      Legendary Ford Racing Quality. When you're adding performance parts to your Pony, you can't go wrong by installing parts from the folks that know it best. Ford Racing's legendary quality ensures a perfect fit and years of hassle-free use.

      Required Upgrade. This Ford Racing B303 Performance Camshaft requires upgraded valve springs for proper operation. Valve spring requirements: 120 lbs valve seat pressure minimum 295 lbs open. For stock cylinder head applications, the use of Ford Racing M-6513-A50 valve springs installed at 1.820" are recommended. For use with aftermarket cylinder heads, Ford Racing M-6513-BH valve springs are recommended.

      Application. The Ford Racing B303 Performance Camshaft is designed for use in the 1985-1995 5.0L V8 Mustangs with a roller cam block and 1.60 rockers.

      Technical Notes. Ford Racing recommends the use of a Hi-Stall torque converter for Mustangs equipped with automatic transmissions. Performance camshafts work only on EFI engines with mass air induction systems.

      Fitment: 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 Details

      Ford Performance M-6250-B303

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Camshaft

      Tech Specs

      Ford Racing Data Sheet
      Part Number: M-6250-B303 Rocker Ratio: 1.60
      Lifter Type: Hydraulic Roller Lifter Engine Type: FORD 5.0 (1985-1995)
      Lobe-Center Int. 107° Lobe-Center Exh. 117°

      Intake Exhaust
      Valve Lash: Hyd. Hyd.
      Duration: 284° 284°
      Duration @ .050" Lift: 224° 224°
      Valve Lift: 0.480 0.480
      Lobe Lift: 0.300 0.300

      Valve Timing @ 0.05" Lift: Open Close
      Intake: 5° BTC 39° ABC
      Exhaust: 49° BBC 5° BTC
      5.0

      Customer Reviews (29)

        Reviews of Ford Performance Engine products have an average rating of 4.8 out of 5

          Questions & Answers

          10 More Questions

          Will It Fit My Mustang

          • Cobra - 93, 94, 95
          • Cobra R - 93
          • GT - 87, 88, 89, 90, 91, 92, 93, 94, 95
          • LX - 87, 88, 89, 90, 91, 92, 93
          • Other - 85, 86

          Fits 1985-1995 5.0L V8 Mustangs with 1.60 rockers

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