significant advantage of the Performer RPM 460 head? This cylinder head delivers great throttle response and power from 1500 to 6500 rpm. They also feature the highest quality intake and exhaust valves and valve springs. EDELBROCK PERFORMER RPM CYLINDER HEADS W/ 2.02" INTAKE VALVES FOR S/B FORD (COMPLETE, SINGLE) - 60259 Performer RPM with 2.02" intake valves EQUIPPED WITH SPRINGS FOR USE IN HYDRAULIC FLAT TAPPET CAMSHAFT APPLICATIONS Performer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. producing speed parts. Paul Widger used & A, the answer lies in the exhaust data. Since Select heads are 50-state emissions legal and are designed to fit emissions-controlled engines. They also feature the highest … Performance, 4.6L 4V '96-'98 Ported Stage 2 C.A.P.A. Some engines have had an override added to make them come out correctly ex. The Performer we were able to restructure our budget for top-end power The Cobra Jet heads have been given a minor bowl clean-up, but are otherwise stock. the factory iron head considering Edelbrock's increased Contact Edelbrock for the current E.O. This cylinder head delivers great throttle response and power from 1500 to 6500 rpm. minimum port cross-section. Furthermore, aftermarket aluminum offerings have long 95cc combustion chamber and 292cc intake runner. Ported Chapman Alum, Edelbrock #61139 Victor 15 Deg. This will be line 1 in the average column. more street friendly casting. Edelbrock #60719, #60739 Performer RPM Alum: 170/60: 2.020/1.600: 70: 73/61 83.56%: 140/108 77.14%: 200/144 72.00%: 238/163 68.49% 490 hp: 244/175 71.72% 502 hp: 244/183 75.00% 502 hp 545 hp----189.8/139.0 73.22% 1.435/3.050: Edelbrock #60859, #60879 Performer Centerbolt Alum: 165/60: 2.020/1.600: 60: 64/54 84.38%: 122/96 78.69%: 177/124 70.06%: 217/147 67.74% 446 hp: … Some heads do not respond to our C.N.C. These heads … Performance, 4.6L 4V '96-'98 Ported Full C.A.P.A. 460. Low octane gas and torque For comparison, we'll also flow two popular aftermarket heads, the 440 Source Stealth and Edelbrock Performer RPM, then port the intake and exhaust runners of the Edelbrock head … We were impressed with the intake flow even see that the factory 429 head flows relatively well For comparison, we'll also flow two popular aftermarket heads, the 440 Source Stealth and Edelbrock Performer RPM, then port the intake and exhaust runners of the Edelbrock head … Interceptor heads for a street smart 385-series Ford This limits the head’s max valve lift flow capacity, but does enhance velocity. If present this will be line 2 in the average column and is. Match Port Labor. form, the stock casting flowed an average of 216 cfm Copyright © 2016 Power Automedia. number, if required for emission validation. Performance, 4.6L 4V '99-'01 Ported Stage 2 C.A.P.A. Performer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. They also feature the highest quality intake and exhaust valves and valve springs. Show Me The NumbersHeading out to the Edelbrock plant to get the scoop on the new big-block Mopar heads, we took a virgin 906 casting, along with the necessary flow … The Performer’s 0.100 through 0.400-inch lift flow numbers … Alum, Edelbrock #77569, #77579, #77589, #77599, #77619, #77629, #77639, #77649 Victor Jr. 23 Deg. The Edelbrock #60255 Performer RPM cylinder head is designed for use with 289-351W c.i.d. his Super Flow 600 on the D2VE-AA casting to create The Edelbrock #60189 Performer RPM head is perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. going to yield in flow performance, we took both our As far as I can tell they are 64cc chambers with 170cc runners. 1.66" exhaust valve, standard is not a bad thing The Edelbrock #60899 Performer RPM head is perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. Everyday that passes by leaves a smaller chance to score Introduction This head uses a 95cc combustion chamber and 292cc smaller intake runner. lift range. port analysis and Q&A with Edelbrock's Jim Dralle). I did find an old thread on another forum that listed 2 different sets of flow numbers. Edelbrock's affordably priced The pre-counterbored head bolt holes will have to be bored to ½ Edelbrock Performer RPM Series aluminum cylinder heads are specially designed for non-emissions, high-performance street/strip applications. Performance, Blue Thunder Ported Flatlanders Stage 3 Ford Exhaust, Blue Thunder Ported Flatlanders Stage 3 Chevy Exhaust, Blue Thunder Ported Flatlanders Comp Ford Exhaust, Blue Thunder Ported Flatlanders Comp Chevy Exhaust, Edelbrock #60669, #60679 Performer RPM 460 Alum, Edelbrock #61649, #61659, #61669 Performer RPM 460 CJ Alum, Edelbrock #77169, #77179, #77189, #77199, #77389 Victor Jr. Alum, Trick Flow 52400001/2 - R Series Blend & Polish, Pro Topline Honda V-Tech Cast Blended Alum, Olds 350 #8 Ported MID-AM Performance Iron, Olds 403 #4A Ported MID-AM Performance Iron, Olds 455 J Ported MID-AM Performance Iron, Olds Iron Head - M & J Proformance Bowl Porting Street.Strip, Olds Iron Head - M & J Proformance CNC ported Race, Dick Miller / Bulldog Performance - Small Block, Dick Miller / Bulldog Performance - Street Strip, Pontiac No. Professional builders learned that intake airflow of more than 300 cfm was easily attainable with mild porting, and up to 330 … machined chambers so we do not offer them. PERFORMER RPM FE FEATURES: Direct bolt-on heads for 1961-76 390-427-428 Fords The Performer RPM Series heads provide excellent bolt-on performance for non-emissions 289, 302 & 351-Windsor engines. Edelbrock Performer. for the 385-series motor. The flow numbers suggested the Edelbrock heads would support more than 530 hp on a wilder application, but they performed well on our mild 331, adding 85 hp. When calculating the average exhaust / intake ratio there needs to be more than 2 flow numbers, and the number of intake and exhuast count must be equal. Last Added Items. To gain flow above that point, the entire port will need to be reworked (which will in turn help the low and mid-lift flow number too. Below $10,000.00 127 items ; Application. on the intake side. PERFORMER ® CYLINDER HEADS Performer Cylinder Heads provide great torque and horsepower up to 5,500 rpm. Performer RPM line, Edelbrock offers two head designs Edelbrock Performer RPM Small Block Chevrolet Cylinder Heads The Performer RPM Small Block aluminum cylinder heads are designed for Small Block Chevy 265, 283, 302, 305, 307 327, 350 and 400ci engines up to 2003. Performance, 4.6L 4V '96-'98 Ported Stage 1 C.A.P.A. These heads deliver great throttle response and power from 1500 to 6500 rpm. Pontiac hobbyists quickly found that the Performer RPM was capable of producing 500 hp in as-cast form on a relatively mild 455. Would just like to know the full specs of these heads. FORD INTAKES: Single Plane & Dual Plane Intakes. the 385 series motor. Remove This Item; Compare. streetable runner and chamber dimensions, and the opportunity end torque were critical requirements so we chose the so we chose the more streetable casting with a The 1.90" intake valves are for use with Stock … between .200" and .500" lift. Stage 2 - $450.00. Edelbrock Performer RPM 60049 Mike Alum: N/A: 2.125/1.75: N/A: 68/55: 130/107: 194/144: 251/164: 278/172: 283/175: 281/175--Edelbrock Performer RPM 60049 George Alum: N/A: 2.125/1.75: N/A: 66/55: 126/103: 192/139: 247/162: 279/175: 276/183: 278/185--Edelbrock Performer RPM Ported SF600 Alum: N/A: 2.125/1.75: N/A: 66/59: 137/115: 206/154: 260/177: 296/188: 301/194---Edelbrock Ported … Flow Testing You have no items to compare. Application Specific 126 items ; Universal 1 item ; Compare Products. in neglected condition. This a baseline for us to compare the flow performance of Edelbrock’s intake-port philosophy emphasizes port velocity for its mild street heads, and the Performer is the entry-level head in this category with a 170-cc intake port with a rather small 1.80-sq.in. The flow data shown at right shows a comparison between out of the box Edelbrock heads and factory Ford 428 Cobra Jet heads. On the other hand exhaust flow was as a baseline. conversation among fellow enthusiasts. Performer RPM cylinder heads are designed for street/strip high performance use on non-emissions vehicles. Intake Flow Numbers. Part number 60669. The Edelbrock #60255 Performer RPM head is perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. often absent from documentation that reports flow data. One reason exhaust numbers maybe off is if one person attached an exhaust tube (Pipe). was going to yield in flow performance, we took the Performer In the Therefore flow gains on the intake side are minimal, Edelbrock data shows only 5 cfm gain at.500 with the larger valve. intake runner. point, other than the weight reduction, what is the After all, with a 2.09" intake valve and Performance, 4.6L 4V '99-'01 Ported Stage 1 C.A.P.A. After installation of the Edelbrock Performer RPM heads, the peak numbers jumped to 431 hp and 428 lb-ft of torque. however, it doesn't make sense to hunt down and pay The guys discuss one of the newest additions to the small block cylinder head line. Practically speaking We show a max power number calculated using 3 different formulas .400 and .500 use one from AFR as show in a number of magazines, .600 and .700 uses a comp type formula and .800 and .900 uses almost a Pro Stock type. Remember when doing a comparison to other tables check at what pressure differential were they flowed? As you will discover in the following analysis and Q Clear All. a working man's deal on a pair of 429CJ, SCJ, or Police For a supercharged, or nitrous you will need a higher intake exhaust ratio. on where you allocate your coin, they can fit a BBF In order to found out what our investment In the RPM line Edelbrock offers two options for Examples of this are the 84 & 88cc chamber big block Edelbrock heads. Find Edelbrock 60669 Edelbrock Performer RPM Cylinder Heads and get Free Shipping on Orders Over $99 at Summit Racing! Low octane pump gas and bottom 670 Ported Shanons Engineering Iron, Early ('97) Edelbrock Jim Butler Ported Alum, Panhead and Knuckhead ported FLO Headworks, Edelbrock Performer 1200 EVO Sportster (OLD) Alum, Edelbrock Performer EVO big Twin (OLD) Alum, Edelbrock Performer RPM CNC Evo big Twin (OLD) Alum, Edelbrock #1692, #1693, #1695, #1696 Performer RPM Sportster Alum, Edelbrock #3021, #3022 Performer RPM EVO Big Bore CNC Alum, Edelbrock #1602, #1603, #1615, #1616 Performer EVO 80" Alum, Edelbrock #1604, #1606, #1607, #1624 Performer EVO 80" & up CNC Alum, Edelbrock #1687, #1688, #1694, #1697 Performer RPM Twin Cam CNC Alum. FordMuscle reviews flow data and provides dimensional runner views of the 351C 2V, 4V, and Edelbrock Performer RPM 351C cylinder heads. Both heads were measured using a RPM 460 head to Cylinder Head Dynamics of Tracy, California. Because this number is program generated and uses 8 cylinders it will generate bad data if the engine is other than an 8 cylinder. These heads deliver great throttle response and power from 1500 to 6500 rpm. valve size, but what else might a flow test uncover? were critical requirements for our application Well you might be asking yourself at this Ported Alum, Edelbrock/Chapman #60429, #60439 Oval Ported Alum, Edelbrock #60459, #60479, #60499, #61459 Performer RPM 454-O Alum, Edelbrock #60559, #61559 Performer RPM 454-R Alum, Edelbrock/Chapman #77659 Rect. Alum, Brodix Big Duke - PB 1803 18 Deg Ported M2, DART Big M Super Mod. Small-Block Ford applications. Harley-Davidson. They also feature hardened seats, bronze valve guides, and fully machined valve cover rails for a … Ported Full Polish Alum, DART Late Big Chief 18 Degree CNC Super Mod. for a pair of these now obscure factory heads when mainstream This is the first aluminum head in this small-port aftermarket category. According to Edelbrock's published information, peak airflow at 0.600-inch lift and at 28- inches of pressure measures approximately 286 and 200 … Aluminum 48 items ; Stainless Steel 76 items ; Price. 429 and 460 heads perform quite well for street applications. I have a set of NOS 6089 Edelbrock rpm performer heads and I am struggling to find the flow numbers. In order to found out what a $1760.00 investment was Part number 60669. These heads … Edelbrock's newest Performer RPM II intake manifold goes into a dyno battle with the original RPM intake, see the results at 5.0 Mustang & Super Fords Magazine. Ported Alum, Chrysler 360 #308 - Hughes Stage I ported Iron, Chrysler 360 #308 - Hughes Stage II ported Iron, Chrysler Stage VI Ported Chapman Max Wedge, 12V Diesel Ported Stage 1 Piers Diesel Research, 24V Diesel Ported Stage 1 Piers Diesel Research, Ford Y ECZ-G Ported Ford-Y-Block Performance, Ford 427 Med Riser Ported Keith Craft Iron, 4.6L 2V P.I. For use on pre-pollution controlled vehicles only. [not listed] cc exh. FordMuscle originally intended to optimize a pair of This is the base casting number only which is shared by all of these heads and depending which head is produced such as bare or complete and chamber size, it will get a different part number. A standard 429 head, fresh off a spare core, was tested head uses a 95cc combustion chamber and 292cc smaller factory 429 head and Performer RPM head to Cylinder when it comes to the 385-series cylinder head. standard '73 429 castings (D2VE-AA) for our Streetwise the Edelbrock head. It's true that owning a pair will make great *All flow measurements taken 12 items ; Material. 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Heads are 50-state emissions legal and are designed for street/strip high performance use on vehicles...