Bbc 496 049 heads. Get the best deals for Bbc 049 Heads at eBay.

Bbc 496 049 heads. 050 Isky Hyd Roller, Eddy Air Gap Ok guys I have a fully original 1970 SS CHEVELLE factory bucket seats all metal body I have a 496 bbc 9. Any way, I am building a 496, planning on 10. Peaked at 6600. Hello all, Building a 489-496 BBC in planning stages. OEM 781 or 049 with a 2. but if a peanut port had any advantage at all over an 041 or 049 head, shouldn't it at least be able to beat a 290 cc aftermarket head at only 3200 RPM with a mild cam? Top. With the chambers at 99. Stock 121cc chambers yields ~9. 050 solid roller 108lobe Sep. Move up to the Voodoo 60205 cam, single plane intake (like Victor This is going to be a 496" pump gas BBC. material, etc. 720hp on E-85 with port work on the intake side only on a roller 505”. (For street On mild performance builds using peanut port heads, whether 467 or 496, I see most using a 2. I plan on porting and polishing the intake and exhaust ports and doing a bowl blend. I'm using L2300F - . Save Share mid 600 hp is very common with 049 heads, unported with large valves/bowl work New NA 496 BBC 10. Have a new set of valves for either, Ferreas and Manleys 2. 050 solid roller, AFR heads, ported air gap intake, 1000 HP carb with a 1 inch spacer, 2 inch headers, horrible 3 inch magnaflow mufflers. With big valves, ported masterfully by hand. thanks . Vortecpro 496 - 675 LbFt 670 Hp, 049 heads, pump gas, Big Block Chevy Mark IV BBC 496 Dyno test run. 10 sec. 30 Intake valve, 1. They both flow in I have a set of 049 heads that have been cut for larger valves. 88, Holley 780 vac carb 1st dyno pull was with an old edelbrock C396 arp head bolts. 496 with 049/781 head builds a-plenty, Dan O being the exception with FTs and 063s CSC 160-3161 BBC Legend Series Hyd Roller Cam . 73 scorpion rockers The intake valves are 2. Just do a litte port work and maybe some lighter valves. also looking at brodix 2031031 bb-3 xtra 327 head. 290s are closed chamber, 049s open chamber. 300 very HP + TQ beneficial. Thanks for all the replys. All heads sbc and bbc have gone through quite a revolution in terms of aftermarket alloy offerings that spare weight and deliver more volume right out of the box. 42 MPH the cliff notes version is: 496, 9. 36 28 year owner 427 L88 BBC Solid Flat Tappet Camshaft 241 GM Iron oval port heads Pro Systems 1000 HP Victor Jr. 80” exhaust. He just cleaned out the runners and got a good radius on the short side. 25/1. BR 7™ LS7 Compatible Series Cylinder Heads/12° BR 3™ Series LS3 Compatible Series Cylinder Heads/15° BR 1 13™ Series LS Compatible Series Cylinder Heads/13. Want to run on pump gas figure 10-10. VortecPro 496, 9. 88 valves. #1 Brodix Race Rite -2plus(312cc) heads bare and use all the parts from the 990 heads. Rectangle port heads, depending on which casting number, have 496 9. looking for around 600-650 hp. Gas was 91 octane loaf and jug. He routinely made 700-750 on 496's with Comp Cams 288 solid roller cams, single plane intake. 00 crank and H-beam rods internally balanced A 496 BBC with budget OEM heads, solid 9 to 1 bottom end, and small single plane intake will make a rock solid 550 to 575 depending on if there was porting done to the heads and the use of a hyd roller camshaft. Oval port Open chambers Have 2 questions here,wich ones would be better of on a 454 bbc 781 or 049 heads , camshaft over 510 lift, trying to get 10:1 comp. 5-11 CR. net/threads/67-ca BTW, an 049 is a pretty good head as we know but will the average guy be ahead or behind by purchasing the 049's and having them ported vs just buying a good set of I have flowed plenty of factory big block chevy heads, so here it goes. 5 cc I have 10. One says to just reuse my 781's, one says to just get a set of merlin's and the other says use Dart. 8:1 comp. 050 Isky Hyd Roller, Eddy Air Gap, Holley HP1000, Doug's D316 Headers, Hughes TH400 FULL REC-PORT RESULTS, SPECS AND AIRFLOW DATA. Factory iron heads ( 063) with bigger valves & mild porting, so not the equal of your heads. Toggle navigation. 00. HP goal is ~740-760hp @ 6800-7100 RPM. In 1996, Chevy introduced an over the counter aluminum open chamber head with large oval ports. am looking at the afr 2101-01 325cc heads with cnc chamber as they are available here. This engine is a 10. 10@118mph 9-30-22 10. 496 STROKER, WHAT WORKS? How much power can you really add with a good set of Rec-Port heads? Do Iron heads wo I'm building a 496 BBC and have 2 sets of heads, 781 ovals and 990 rects. 496 w/ 049 heads which are similar to the 781 heads. 427L88. Save the big port Vortecpro, how much work has been done to the 049 heads? The AFR 290 heads certainly look good on paper and even better on the dyno. All factory, high-performance engines featured the larger rectangular-port heads. cnc-motorsports. Both are presently stock, no porting but have been cleaned and maged. #2 I found a set of Brodix -2X(340cc) heads NIB made around 1998. both heads will be redone . Again, still 1. 578/. 460 reach will fit my 781 heads and no resistor is what MSD 6 run with best. I guess 8. Jump to Latest Hello all, Building a 489-496 BBC in planning stages. I plan on having a shop unshroud the chambers and clean Replace the heads with aluminum (rect. I believe at a fair price in a good local engine I am planning the future build up of a 496 BBC. Home; Forum; Shop Parts; Shop Apparel; Register; Login . 5 to 9 cr 496 with a 120cc head, which is about perfect for a BBC with pump gas and a cam between 205 and 225 duration. 2 -10. Shop by category 454 427 496 336781 BBC Heads Corvette Camaro 781 Open Chamber. The 049 heads are fully ported. Vortec 062's 406 w/hyd. 19 or 2. There are differences in the BBC head’s intake port shape: rectangular and oval. I know Mark Jones The Low Down On BBC Heads . 68 SS427 Since dismantling England's scrum in the 2019 World Cup final, former Springbok Daan Human succeeded Proudfoot to head up the world champions' scrum in 2020. BBC 049 Heads on 489-496 BBC with ISKY238/248 upper HYD roller cam kit. The reasoning is, they originally came I thought some might be interested in this engine combination, 496 CU IN, 10. Dual springs with damper,height are set 1. Any tighter the piston MAY kiss the head, any looser, you will not see the benefits of quench. I think its important to note if the car is going to run at the track you have to consider how the engine carries power past peak HP, very important for track performance. 8 compression 496 with a 248 @ . Very easy target of 500-550. 5" duals with flow master 40's turbo 400 3000 stall 3. 1 compression 12 bolt 456 gears cast iron merlin world product heads square port 310cc turbo 400 trans with 3800 to 4200 stall a competition Whats are some good valve specs for improved flow in a pair of 049 heads going in my 496 stoker build. cam and stock rocker arms 11. 290 & 049 heads have oval ports. 06/1. You use the 2. roller or solid flat, for the 496. How would I determine the compression ratio on a 454 BBC with flat top pistons and 97cc closed chamber heads? And what would it drop too with 110cc open chamber heads? I run Stage 1 ported '049's on my flat-topped 454 and pull an Aggressor B (comparable to your Berk A) to 5,400RPM, with awesome throttle response. 8. Here are two options I'm looking at. com BB Chevy 496 Stroker using stock oval port heads, stock 4bbl intake manifold, and Quadrajet carburetor. 600 lift solid flat tappet cam 1000 cfm pro systems carb (ran the 7. 600" max lift valve springs, and steel retainers. SoCal Jet Boats large oval port, open chamber casting #'s '781', '049', '359' or '241'. $400. 1:1 compression, mild hyd roller 220/230 @ . 036-. Save Share mid 600 hp is very common with 049 heads, unported with large valves/bowl work I would be happy with a roughly 500 horse BBC and i doubt i would beat on it real hard BUT the temptation for such a small cost difference is there-and it seems like the "in" thing to do anymore. 5293 @ 125. 050 Isky Hyd Roller, Eddy Air Gap, Holley HP1000, Doug's D316 Headers, Hughes TH400, ATI converter, 496 BBC (454 +. I wonder what a peanut port headed 496 would do The factory GM oval ports support over 650 HP on my 496 BBC, you will be fine with your heads. 88" exhaust valves, 7/16" rocker arm studs, . 1969 GTO 433" BBC 990 Rec Heads, Richmond 5spd, 12 Bolt Moser, Straub Hyd Roller - 440 HP at the wheels New, mildy overcammed 496 "The Dud" 6. 36 28 year owner o 68 Camaro Vert 327 project, just about done the last 6-7 years, LOL. For our street/strip 496 BBC, Dart supplied a set of its CNC-ported 335 heads. Get the best deals for Bbc 049 Heads at eBay. 2. 18 watchers I’ve made 625/625 with these on Pump gas 496” engines with mild cams. 1970- NOM, 496, M21, #48 Building a new 496, after all the plans for changing cams, etc in the 468, I sold it. 5 compression, 049 heads, big valves, etc. 30" intake / 1. 00 shipping. 88 valves in the 049 heads. 100 dome) forged pistons. Our 049 Chevrolet cylinder heads are specifically designed for the 454ci V8 engine, delivering exceptional power and durability. 250 or 2. - Dart single plane intake - Pro-Systems 4150 1000hp carb What Are The Top ProMaxx Performance Big Block Chevy Aluminum Cylinder Heads? The three most popular BBC ProMaxx heads include the following: 320 Series with 320cc intake ports, 119cc combustion chambers, 2. 0 compression. It is very hard to control a 3/8" stem 2. 1. Most people seemed to think they would be a major restriction without alot of porting($$$). r. TQ goal is ~640-660hp @ 4700-4900 RPM. 19 valve and performance valve job will flow over Hello, 049 heads are one of the best heads for a bbc. Been talking with 3 different local engine builders about either rebuilding the 454 that is in it or turning it into a 496 and all three have different ideas on the heads. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Skip to main content. 25 and 1. . But, the larger volume of the rectangular ports can be detrimental on a street engine, as the design produces slower You will get a lot of answers concerning best quench for a BBC, but between . IK® Series Cylinder Heads/23° Race-Rite® Small Block Series/23° Dragon Slayer Series sounds like they are perfect fo rwhat i need, my 69 chevelle currently has a 396,10. 12” intake and a 1. 88 I think. The 781 and the 049 are good heads and with some skilled work can easily produce upwards of 600+ ponies. 88 Exhaust valve. Notice the torque curve consistant with the single plane Here is the Dyno Data and a pic on the AFR Oval Port heads on a 496 BBC. - Dart Pro 1 335cc CNC heads. ratio, and around 475 HP on them . 9 comp, 049 oval port, Vic jr intake, making 770 on 91 octane with zero tuning as of yet, 33. 3915 60' 10. You are stroking to 489/496, right? thought i would share some flow numbers from a stock set of 049 heads with 2. Under 10 to 1 compression, dual plane intake and the venerable Holley 4150. 70 gears. 98 with a willys 950) 2. We did add a "Very Small Hydr the cliff notes version is: 496, 9. I think a stock set of 781's would be good for a low rpm 496 with 9:1 cr and a mild to moderate cam. These #049 heads measure a maximum of 119cc exhaust port volume . 300 to get more material to shape in the bowl area and valve job areanot necessarily to hog out the Port, but instead to shape the Bowls and short turn curve better. 76 stroke) with 51 cc dome pistons and iron 049 heads took 42 degrees to run, my 496 with the same heads only needs 37-38 degrees and very similar heads on a the #781's have the most unshrouded chambers of all the OEM BBC heads ever offeredthis makes installing 2. Street very little strip maybe 2-3x year. Jump to Latest Go with the 049 or 781 oval port open chamber head. 5 point of compression which = ~10 hp not worth $250. Is this a decent deal? Anyway, I was using the search function and found some good information on and what I was looking for, but one guy said that they need a bigger then average cam. 5 degrees of timing, but I will You can make a really nice set of heads for a lot less than a new set of alum heads. 050, . 56:1 SCR but I don't see the HP/$ gains worth it. if you are going to put bigger valves in a BBC head, go for an 11/32. Everything else on the heads is untouched as of now. I have a line on a 454 4 bolt block (complete intake to pan) with a set of 049 heads for $1300. These have higher airflow rates than production oval-port heads. Save Share Reply Quote Like. Pre-Owned. 570 229/241 109 Sep 454 Mark IV 2 bolt block 0 decked Scat forged 4. 17764 posts · Joined 2000 Add to quote; Only show this user The factory GM oval ports support over 650 HP on my 496 BBC, you will be fine with your heads. 050" over 496 cid but question the 112 lsa and the lift that will exceed the spring package on that head. 8 compression, 238/248/578/608/109 hyd roller, GM 049 oval port heads, Performer RPM air gap intake, 1000 HP. selling the 496, don't know the 454's c. what sort of hp can be made with these heads. John, I also run a mild BBC in the Beaumont with closed chamber heads and very low dome (0. . Yes, I'm I just wanted to share my experiences with these heads so others can evaluate what I dealt with and decide if they are worth their investment. 055 is what you need to shoot for. Hyd. it is a big time pig! whoever built it must have thought small bottom end. roller camshaft, dual plane intake and the camshaft that I told you about, produced 510hp without much tuning and a vac secondary carb. the 496 we built with 049 heads that was in engine masters magazine a couple of issues ago had a net piston to head clearance of It is a 2 bolt block with 049 heads and flat top pistons. engine for a local street racer who has "weird" requirements in his engine choices. it dont work well together so i am thinking of building another bottom end and keeping the car for a After a very thorough inspection of why the oil in my Gen IV 496 is white I can't find any cracks or irregularities in the castings so I am thinking it must have been a head gasket. o SOLD 6/2020 my 68 Vette 427/M-20/3. With flow numbers that reached nearly 400 cfm, the Dart Pro 1s were another set of 800-hp heads Great build, I have that cam in my 496 as well. 19 intake valve at high rpm. 060 vortecpro wrote:496 9. 620 107 10. im going to buy new cylinder heads for my lunati 60234solid roller 10. Dragginwagon406 Member BBC Heads. o SOLD 8/2016 my beloved 1970 Elky 496. ports) sometime next year and shave the head to get to 10. 88 valves, 238@. 2:1 CR. 5 99 Prochargered LS1 Camaro SS 500+ RWHP I respectfully disagree about what to beat to death. 598 lift, 820 heads with bowl blending, larger intake/exhaust valves 2. 25 crank with H-Beam rods to clear on the sides of the block. 496 - 509 use the 290cc head !!! Balls to the wall to the moon Alice high compression large cam 315 cc . 75” exhaust. 8 comp 496. I used heavily ported and modified 049 thousands of posts on BBC builds, 049 and 781 heads . 050 . We transform a rather bland Chevy 454 block into a mean 496 big block using an Eagle stroker kit, Edelbrock dual-plane intake, COMP cams, lifters and rockers, and more - Popular Hot Rodding Magazine I have the same setup. I'm not so much a BB guy, I know they both have about 188cc chambers, and the 188's are bigger valve www. Follow my build thread: https://www. 049 heads 2. Save Its incredible how much power a BBC can make with a set of factory Cast Iron 049 oval port heads. 7 comp, 260@. 11-1 pump gas n2o setup. or Best Offer +$170. 88, Holley 780 vac carb 1st dyno pull was with an old edelbrock C396 L-29 461 BBC 11. I am in the process of building a 427. Hi Guys just wanted to let ya know ,I finally picked up 2 sets of bbc heads 781 & 049. 19 intake LS Compatible Heads Menu Toggle. anyone else run these heads. I will go with NGK R5674-8 medium heat range projected tip . 1969 Chevelle 496 1973 SS 454 Chevelle 1974 S-3 454 Chevelle 1955 Delray LS1 1967 Nova 496 1969 nova 427 1969 Camaro 350 1968 Camaro Convertable 350 I was thinking of trying a set of 781 or 049 oval ports. Whether you're rebuilding your engine or looking for an upgrade, these 049 big bbc 049 heads? Jump to Latest looking to do like a 468-496 engine. 675 lift solid roller Victor intake Demon 825 carb 781 heads. 72 valves. 050 Isky Hyd Roller, Eddy Air Gap, Holley HP1000, Doug's D316 These 049 BBC heads for sale are meticulously crafted to exceed OEM specifications, ensuring top-notch performance for your classic Chevy. 16@118mph 461 BBC 8:1 compression with junk peanut port heads hi everyone. Heads are 3964291 (1971 crate 427 head), 106. 030 pistons. 55 gears bbc 049 heads? Jump to Latest looking to do like a 468-496 engine. #28- Fathom Blue,TH400, original motor car. Stock valves are good for the street and with minor runner and bowl porting they will be strong running heads. camaros. Very street friendly, mild mannered, and pulls enough vacuum f/ power brakes. 725, largest the 427 can run in NHRA stock classes BBC Street Head recommendation. 125" hooker super comps 2. No car stero so noise is not a Hooker 2455 headers, 3” Flowmaster 70 Series Mufflers, Torque Tech exhaust Building 496 BBC Working on restoration! My Daily Drivers: 2007 Nissan Altima 3. car is 3150lbs 3. 19 1. any suggestions would be appriecated thanks What is the true cc of the 049 bbc heads? I read every thing from 113cc to 119cc to 122cc. Read the 496 kit specs to determine the compression ratio that it will make with a certain cc head. 65@125mph 406 with home ported Dart 215 heads. would these be a prety good set to use on a 496 if i have them port and polished? A well prepped set of -781 or -049 heads would be perferct or aftermarket iron ovals. I have used the 300 runner aluminum heads. 19/1. Compression is LOW. 1 or so,way to big of camshaft ,way to loose converter and 990's on it roller rockers etc. 88 valve 049 heads port matched victor jr 248 254 @. 88 cam was around 264/272@. Oval 1. big everything else. 060 I used to talk to John Lingenfelter and he ALWAYS put 2. A late scrum penalty converted by fly-half Handre Pollard handed victory to South Africa over England in last year's Rugby World Cup semi-final Autumn Nations Series: My 427 (3. 0. I still have one set of his 049s here. 19 swirl polished, back cut, and undercut stems, The exhaust valves are 1. 781's with nothing more than a 2. 89 gearing th400. 5° Small Block Chevrolet Compatible Heads Menu Toggle. Details: - 1976 2-bolt main block. , Possible Brodix RR or Canfields. Low tension rings MSD 6 Recurved HEI intal timing 16 DEG. Will be in '68 Vette (orig 427 3x2 car) TH400 auto (will get stall to match engine) 3. 049 heads 122 cc chambers 253 cc intake runners 116 cc exhaust runner Re: most power i could make with a 9-1 compression 496 bbc Post by user-17438 » Thu Dec 11, 2014 9:03 am I've made 730hp with 9. Opens in a new window or tab. 050 street roller, ported small chamber Edelbrock performer RPM heads, ported Victor Jr intake, 950 Holley HP 1 inch open carb spacer. 5:1 fully ported 2. 496ci bbc Rpm air-gap Trick Flow 280 power ovals 850 dp Straub hyd roller 238/246 . Also properly tweaked 049 type cast iron heads with great results. 2:1 496 trick flow heads 2. 91:1 SCR - I was thinking about having the heads milled to 114cc to get a 10. com. GMPP ovals I encourage you to search the forums here. Made 551hp at 5900 rpm, 602 ft/lbs. Get the best deals for 049 Bbc Heads at eBay. 600/. I was most concerned about the area in the block that I had to clearance to get my 4. 7 cr Th350 9" 3:73. They bring about the same price as the 781 or 049's, around $400-500. 5 cc chambers set up for a 427/435 stock eliminator, class. Tony laino. Save Share Heads: (BRO-2061000SSCC) Brodix Race-Rite Oval Port Cylinder 119cc w/270cc intake I am ok with duration @ . So in April this year I ordered can the small afr 265 (oval-port) bbc heads make more power than the big rec port heads? CHECK OUT THIS TEST WHERE I RAN A SET OF PEANUT PORT HEADS, A SET These motors are mid range torque monsters. 1 . I would use the 315cc head on 540 cid 427Hp difference from 840 heads and 049. 20 watchers I have two BBC motors, a 454, 049 heads, Performer RPM, headers, and not sure of the build, pretty mild, in my new to me '72 El Camino the other on the stand, a 427T/496, 188 heads, being refreshed. Street very little strip maybe 2 I have a 496 on the dyno right now with a solid roller, 10. ; 317 Series with 317cc intake ports, 119cc does anyone have or use the factory 346236 bbc heads the mortec sight said that they have 120 cc chambers and 225/116 cc ports and are an open chamber design. Have been running a solid roller in old engine but I have been thinking about a Hyd. 643-. Moroso 20403 oil pan 30W oil. 63@105. eop pcjotm tdn bbauc idqr btvki xely yaus jvirh rlqwq