The 245 AFR heads offered exceptional airflow (more than we needed), though the chamber size was likely better suited for a larger 4.125 inch bore combination. A true indication of a . Qualified Crane Managers are assigned and approved by the Sundt Crane Committee, and shall meet the following criteria: Must have passed the core written test for crane operation through the NCCCO, the NCCER, or other Sundt Crane Committee approved operator certification organization; o NOTE: The valid period for the test may be expired; 08 8363 5566 www.cranecams.com.au Smith began writing for Car Craft magazine in 1979 and became editor in 1984. Home. We figure a stock cam grind stuck in a NASCAR motor would drop the 800+ hp power output by as much as 300hp or more. Blowers, turbos, and nitrous can show those gains, but how can you get gains like that with a simple cam swap? Page 2 of Cam Manger shows the same timing numbers as the Crane cam card. Ignitions for Racing and Street Applications. endstream endobj 15 0 obj <>stream endstream endobj 11 0 obj <> endobj 12 0 obj <> endobj 13 0 obj <>stream if ordered today. Always the weak area in the 289 and 302 is the tiny 5/16 inch connecting rod bolts and the miniscule intake and exhaust ports. It would be appreciated if you could actually post the Comp Cam part numbers instead of the 224 or 240 Cam as the references for them.. The camshaft was a Lunati, specs were 264/272 @ .050, 108 lsa, .650/.650 lift, lash hot was .026/.028 hot. <> * Gross valve lift: 0.448 / 0.463 * Lobe separation: 115 Cam recommendation from Crower is: BAJA BEAST * Duration at .050 in. Its NA but makes use of AFR heads and some other aftermarket goodies. Ltd) was set up in 1997 as a Joint Venture with Crane Cams in the USA, to distribute the range of Crane products to retailers & wholesalers throughout Australia. By collecting seeds from your own garden or buying them in bulk, you can save money on future purchases. Installation of the 224 cam increased the power output to 584 hp at 5,800 rpm 566 lb.-ft. of torque at 4,700 rpm. V #GwiJsTCPJq:MJ$|?hoBA:\-i`hhttqQDG/O#hdXLkl?TI%4 OfAVvCj65aDHFoh48Sgj-\mOO_7b The 4.030-in. How to Distinguish Between Viable and Non-Viable Tomato Seeds for Successful Planting. Short of using vortec heads the 350 magnum mercruiser engines came with the GM "217" head. Im now thinking of adding a cam to match the carb. We use cookies to provide you with the best possible user experience. 5 0 obj The reason this new generation of Ford engines make a ton more power is they also enjoy fantastic cylinder heads and four valves per cylinder. #2::: Get advice from a reptile engine builder with experience(first flag for me is when somebody refers to an ENGINE as a MOTOR! This is just a quick overview of the changes that need to be done. endstream The mildest of the LS bunch, the LM7 cam offered a .466/.457-inch lift split, a 190/191-degree duration split and 114-degree LSA. Truth be told, eliminating the hood clearance limitations provided a straighter shot for the intake runners on the LSXRT (over the LSXR). I have a 302 Windsor V8 EFI engine that I converted to a 600 cfm carburetor with a Street Warrior intake manifold. the camshaft recommendation. Early Windsors tend to have fairly restrictive exhaust manifolds, making the addition of a set of headers that much more efficient. by F-BIRD'88 Sat Jan 15, 2022 4:54 pm. There are a couple of reasons for this suggestion. Cookie Policy. Well assume it is a 5.0L with stock heads. The only failures Ive had were timing chains and a couple broken rods in a mid 80s 302 with 200,000 miles on it that got about 35 lbs of boost stuffed into it when a pop off valve I bought on ebay failed. Now he serves as a regular contributor to OnAllCylinders. The fact that the 408 gained 65 hp with such a mild cam was a clear indication that the combo wanted even more cam timing. Adding the headers may also require a slight increase in secondary (and possibly primary) jetting to ensure the proper air-fuel ratio, but thats also an easy tuning change. Knowing we wanted more flow, the stroker received a set of AFR 245 LSX Mongoose heads. The Fast intake was combined with a set of 42 pound Fast injectors, billet fuel rail and 102mm throttle body. The headers will improve this airflow throughout the entire rpm rangeadding more torque and horsepower. >>Download the Blue Racer Cam Listing here! Swap out that wimpy stock cam and watch the power jump back to where it should be for those applications. Now the choice comes down to Crane and. These are among the best of the iron Ford Windsor heads as they tend to flow much better than earlier castings. 6 0 obj I turned it because it was tired when I got it. 13 0 obj ]k"4 J,h?O'e}Q ti08!&grB&aKy6{[Q:-& t~M\Pa)6Nw Cqq'NYog{'U^k;.O+:#bl 5w@5hK@?IyS3+z"{=Ew%\ 3~$wW5'@u}N\Tk[5:GOtDO_?CJ55G-,OP.^wXu[wyVBq5,T(#Wvc5l-gn Qm0xP,46 About 10 to 1 compression and a hydraulic roller with 280/288 and 226/234 @ .050 for .536/.536 lift with 1.52 rollers on a 112 LSA and a 109 ICL. endobj HUnF+ Vc>$Q: X`EB ccrd!-_[=$ej\$jNUWUdW/`+I}$Ri I have a 66 mustang with its original untouched 289 with over 140 k on it that Ive been running a blow thru turbo making 14 lbs of boost on for the last 5 years and its never given me a problem. Never not once have I ever seen a SBF rod bolt create a failure. The FAST intake was combined with a set of 42-pound FAST injectors, billet fuel rails, and 102mm throttle body. The Crower specs were 266/277 @ .050, 107 lsa, .625/.623 lift, .022,.024 lash hot. 2019 Crane Cams Master Catalog. Gardening in Florida's Horse Country: Overcoming Challenges and Utilizing Local Resources, Title: Navigating Florida's Horse Country Gardening Challenges The necessity for cam timing only increases when you add displacement and even more head and intake flow to the mix. New posts Search forums. The iron truck block was machined to accept a forged rotating assembly that included a 4.0 inch (up from the stock 3.622 inch) Scat forged steel crank, matching 6.125 inch I-beam rods and JE forged pistons. 15 0 obj 14 0 obj Whether science or scorcery, one thing is certainthis Crane cam worked like magic on the 408 stroker. cylinders, year, engine" fashion, and according to the type of. Jeff Smith: It would have been better to know a little bit more about your combination, but the short answer is yeswith a hydraulic roller camshaft, assuming the lifters are in good shape and the roller wheels show no unusual wear, they can be re-used on a new cam with no danger of adverse effects. 64. cranecams.com | 866.388.5120. Results 1 - 5 Jeff Smith has had a passion for cars since he began working at his grandfather's gas station at the age 10. given all other factors All of these enhancements will greatly influence being equal. 262-400 V8 57-87, Estimated USA Ship Date: Tomato seed size can vary greatly and the smallest ones may not even germinate. (?m L|LJ*2E >GA[%d[| Cg T" Q^*@|D/u9 pP+eqCfQdrNtAPD#ERXV|'2L&K2=2JkIVm4?QB6tB:BkVC|{/ w&Swk[teIuMQKDO_()2 Czvat%@o:-X8B/6c`qE4m8uw80MGH/jue:Bz=iR82"= The 408 short-block offered plenty of cubes and compression, but power production for any motor is a function of the heads, intake, and (as we shall see) cam profile. Camshaft Recommendation Form. These are Ford iron GT-40P heads. Forums. >>Cams Roller Lifters For Holden V8 Engines. I believe the exhaust spring seats are deeper on that head. May 11, 2023 The cam is Crane HR #139021 with 610 / 632 and 234 /242 and the spring requirement is. We doubt any LS owner would run a 408 with a stock cam, but we nonetheless wanted to demonstrate the gains offered by the cams and needed a starting point. 2019 Crane Cams Master Catalog. You didnt mention the car this engine is in, but lets assume there is enough room to remove the radiator and any other coolers and perhaps some or all of the front grille and/or brackets before the cam has sufficient room to exit the front of the engine. Or just play it safe and let the fans ask away about another daring 5.0 TB bolt on or for an exciting surprise, do a LS______ fill in the blanks. We use cookies to provide you with the best possible user experience. Swapping over to the 240 cam from Crane (PN 1449251) resulted in some serious power gains. Theres many options available for a little more power. Knowing the 408 needed wilder cam timing, we then installed the Crane 224 cam. toVHG;YhN,[#>'&_CmA}QB]c 4qB5VL#2PN;-\,2gjD:xC8k@6dV_[)'4\@iw1?(Qx:}Gy7hGByw~gZ"-|^w1orKk_}l) iM;rv =)`0 `{ %PDF-1.7 jTXVDFRnLT"kGKq-q,(u%0L(W!eUY}DuEu27~.\\zS896dnhUQ,zhx&yZm $x{~|:P&x7US(-okq'WU.'#Xo':y" !j_\eYLPSni]zp-G3Aol v'8~(`>u-:4"Bx48wn`3~|Eb/@{9h)t$fqrk:O;x5TdHA12. 2 0 obj Tech Support (M-F 7am-7pm CST) CAM HELP 1-800-999-0853 Operator (M-F 8-5 CST) Toll Free: 1-800-365-9145 Local: 901-795-2400 Fax (24/7): 901-366-1807 Account Support (M-F 8-5 CST) K.S. Required fields are marked *. ***Most important is theStupid question is the one that was never asked!*** Thanks to CNC porting, the AFR heads flowed nearly 360 cfm, meaning they would support over 700 hp. Win or lose, if you buy the ticket you must take the ride. Can you over-cam your LS stroker motor? Coil Bind Height, Pair, Estimated USA Ship Date: Need An Immediate Recommendation Please call 1-800-999-0853 Next endobj What we are saying here is that the stock cam timing becomes even more of a restriction to the stroker, so power gains improve dramatically when compared on a healthy stroker. A tuned ear can recognize an engine with lots of compression just as easily as one that doesn't have compression. Whether Sprint Cup or Pro Stock, the rest of the engine combination was designed for a specific cam profile. I bought a new Dart 540 short block from Shafiroff + Dart Pro 1 heads. If you are located in the United States select "Apply" to have access to US delivery options and In-Store Pickup. Qoe#Rx0/,C>SLrT#Nj:@}Zr.Oj3KN+>=Ix4TFM frK/W/c+\lP q(.K|1~=|N_sh!F+*B;In-n /#++JF :H{RDhnQ"yVYZ>Xh'rQE=D8t%QxI8BzuNK&pq(R5T]FW%YrG4;j(n4y]19)47AXcUuyIq\e,4oZml32@y8(7qGKKNX"77EIQEq/O`( mMjE}IVWTM)pRg {y*G/?G". The cost of a new set of standard replacement roller lifters is very affordable at major retailers like Summit. After graduating from Iowa State University with a journalism degree in 1978, he combined his two passions: cars and writing. Common sense would suggest that with the heavy lifting complete and the old cam removed, by not installing the new roller lifters along with the camshaft could be asking for the possibility of trouble just a few thousand miles down the road. But the power doesn't stop with precision-ground cams, Crane also manufactures high-output ignition components, competition-grade valve springs, heat-treated chromemoly pushrods, and it even introduced enthusiasts to the world's first Once the best-kept secret of high performance engine builders, camshafts from Crane Cams have been at the center of the action in hot rods, circle track racers, and dragsters since 1953. Think about that number for a minute! A leader in computerized camshaft design, the company has a database in excess of 80,000 profilesthe industry's largest. Buy the lifters for peace of mind now and hopefully for the duration. Looking forward to the call! I am sure you have increased the bore size and possibly even the stroke a bit and spin it up pretty high in the RPM range. The entire front accessory drive and timing chain cover must be removed, along with the distributor and intake manifold. That said there are some better aftermarket options for heads also. %PDF-1.5 % fuel injection system . If this is beyond your technical ability, you could ask a local machine shop to perform the modifications. endobj Their weak point is that the rotator used on the exhaust valve is very thick. Cam Form Test. : 202 / 210 * Gross valve lift: 0.438 / 0.446 . <> Estimated International Ship Date: The heads had Isky springs with 140/ 380 lbs springs. endobj If you wanted to make your engine feel strong, these would be a decent investment, but they will require some modifications. The graph illustrates the power gains offered by the Crane 206 and 224 cams compared to the stock LM7 (5.3L) cam. As usual, there is much more to this story. Well offer one as an example. And just so it doesn't sound like I'm talking out my ass like so many people tend to do on the internet, here's my reasoning behind my opinion. Ive been building ENGINES for 40+ years. The -10cc dished pistons supplied by JE combined with the 65cc chambers in the AFR heads to produce a static compression ratio near 11.0:1. International Customer Options|In the United States? To learn more, view our To ensure success, select medium-sized seeds for planting. Good on ya Jeff Smith. There are literally a dozen or so camshaft companies that offer a mild hydraulic roller cam for a 5.0L Ford. JFIF C By continuing to use our site, you agree to their use. Such a cam must surely combine the wonder of Elvin magic with the technical wizardry of Tony Stark. All Crane Cams are organized in typical "Make, number of. I like it. Contact Info. To learn more, view our. $.' The 240 cam increased lift to .600-in. I noticed that according to Crane cam card, max lift takes place at 107/117 (Intake / Exhaust). Hi , All agreed that I can lower the torque peak slightly and keep the same overall powerband AND make much more horsepower, probably 60 or so. Assuming this will be a daily driver engine, a short duration camshaft, especially when combined with a four-barrel dual plane intake manifold and headers, will deliver extremely snappy throttle response and the whole combination will increase the torque and peak horsepower by somewhere in the neighborhood of 20 to perhaps 35 horsepower. 246/256 @ .050". (both intake and exhaust), the duration split to 240/246 degrees, while the LSA remained constant at 114 degrees. Every thing he tells you on this site is true. Luckily, all of these questions were answered in a single dyno session, as we ran no less than five different cams through a 408 LS stroker, with very interesting results. We all know the LS engine family, even in stock trim, responds well to cam timing for this very reason. The mild Crane cam improved the power output of the 6.0L stroker from 449 hp to 515 hp at 5,400 rpm and torque increased from 522 lb-ft to 556 lb-ft of torque at 4,500 rpm. By continuing to use our site, you agree to their use. hbbd``b` $ zDd G bDA = HwdHW #$ ``bd H9' @ 8649 Hacks Cross Rd. You didnt mention which cam you had in mind. Automotive Performance Distributors167 Railway TceMile End South5031 South Australia. I have heard this rod bolt weakness myth for years but have yet to have a single problem with them in any of the SBF engines I have pounded on for the last 30 years and there have been lots of them. Offset Left, Camshaft, Mopar, 6.4L, 392, Hyd Roller, Each, HR-252/400-2S-8 IG camshaft - Ch. <> If the idle quality is other than stock, it is also, each cam listing. (Image/Harrison Creamery). But my past experiances with roller cams, and even one outdated Crower cam is this, roller's aren't worth it in a cleveland unless the motor is going to see 8500 rpm. Everybody I talked with told me very similar numbers on the camshaft: 257-268 at .050. Really hurt too. GT40, GT40P, would be great factory heads. Without knowing the specs of the current cam, it's going to be hard to decide what it really needs. I have a 432 HP non Hi Po 289 I built. Once the headers are in place, then you can consider if you still want more power. COMP Cams Your email address will not be published. The LS engines are all blessed with sufficient displacement, head flow, and a good intake, and in fact lack only cam timing for otherwise impressive power production. Is asking advice for a fairly common situation involving parts with mandatory compatibility between the two for performance and longevity. 46 0 obj <>stream The real question is, what happens when you add too much cam? Its funny no one mentioned anything about ignition timing or components, 69 Bronco mild build use for hunting screwin around up in the mountains also need it to run good on the street, Your email address will not be published. I run it in a pump gas motor that I shift at 6500rpm with a Torker intake. (Formerly Crane Technologies Pty. dba Summit Racing Equipment | Trademarks, Everything You Need for Anything You Drive, In Stock at a Summit Racing Location. If you are an international customer and would like to change the currency that prices are displayed in, you can do so here. Fermenting is a great way to separate viable from non-viable seeds as only the larger, viable, seeds will sink during rinsing. Need help finding what you are looking for. 1 0 obj stream How much power is serious cam worth on a stroker? It looks like Ford uses c3az-aa and c3ae-aa to have very different meanings, I hate when they do that. The older pushrod engines just dont offer the same kind of power potential for their displacement and it all has to do with cylinder head flow. COMP Cams 8649 Hacks Cross Rd. Learn how your comment data is processed. I have managed to get 402 horse power from a 289 hipo natural aspirated. I have Crane cam , lifters and springs for the application - changed the Iskys. All manufactured using advanced CNC technology for the extreme durability and precision required of the modern canted valve Ford Small Block at power levels around the 1000 mark reached during recent competitions at the EMC and at the strip. Despite being optimized for the larger-bore applications, the AFR 245s worked well on our 4.030-bore stroker. endstream endobj 14 0 obj <>stream HtU4}u2%Z Ax83Mg0+TIO,-%JbW:T_K8iJ(9 l_pzf9n8l9wI' &YpI0W4zP,Cb,-TE qCZd%V};r\UUYx%[+XxIzA05CmMUWT5e\'%T..QBI-.``>' RIen?mR{-(M03*_Ii7h$fwew!mFuJnVX\z[u!3Q:1,Q This is the main reason why these engines are not modified as much as the small block Chevy. Camshaft Recommendation Form 367. Torque on the other hand isnt something to write home about. Like to see this comparison on 80s 350 iron block carb fed motor. The gains exceeded 220hp at 6,000 rpm and would have increased further had we elected to rev the stock cam past 6,000rpm (where it was falling off rapidly). Outside Diameter, .675 in. 1 The 408 upgrade on the 6.0L truck block included a Scat rotating assembly. The specs are a conservative 212/218 degrees of duration at 0.050-inch tappet lift but offer a really nice 0.512-inch valve lift for both the intake and exhaust. In fact, the Crane cam that netted the extra 175 horsepower was an off-the-shelf hydraulic roller profile that could in no way be considered radical for the intended application. 9 0 obj But the part about a cam replacement possibly being a labor intensive undertaking is correct. Re: Cam overlap degrees for marine cam selection. First off, it only made 425 horsepower, BUT, it's the only engine I've ever seen with stock cylinder heads that pulls past 7000rpm WITHOUT dropping ANY horsepower, outstanding! The key to big gains on any motor from a single upgrade (short of a power adder) is to equip said motor with everything else needed, then simply add the magic ingredient, in this case the required cam timing. The Edelbrock Group will be in attendance at many of the largest races & car shows across the country. . I tested a 351C on my dyno about 2 weeks ago and it was rather un impressive, but at the same time very impressive. First, adding headers will improve power on the existing combination. He's authored several books on performance engine building and written numerous articles for publications like Hot Rod, Car Craft, Super Chevy, Power & Performance, GM High Tech, and many others. <> JavaScript seems to be disabled in your browser. Need help finding what you are looking for? Terms of Use | Privacy and Security | Site Accessibility Obviously the mild stock cam was limiting top-end power, but the 408 still managed to exceed 500 lb.-ft. of torque from 3,500 rpm to 4,600 rpm. 8 0 obj I had a set of 69 302 heads I ran for a while . We did a quick search for hydraulic roller cams and landed on a COMP camshaft that looked promising. Or, you could invest in a new set of heads that would also do the same job but you can expect to spend quite a bit more money. Equipped with the new cam, the peak power numbers jumped to 626 hp at 6,500 rpm and 580 lb-ft at 5,400 rpm, a gain of 177hp measured peak to peak. In 1987, he assumed the role of editor for Hot Rod magazine before returning to his first love of writing technical stories. Mechanical Roller Lifters For Street & Competition! Today and yesterday I called several cam companies to get their take on a cam for the 351C. Keeping all that compression sealed in the chamber was a Total Seal ring package, while Sealed Power and Moroso supplied the new oil pump, pan, and windage tray. These gain a LOT of POWER when fully ported and upgraded to 2.02x 1.60 valves. The peak horsepower numbers remained at 626 hp, but peak torque dropped to 575 lb.-ft. Adapting to the Unique Ocala Environment Bore, .210 in. It can also have much higher negative accelerations because it can handle alot more spring.
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