Rhs vortec heads. It is not even aimed at high performance.

Rhs vortec heads 94 and 2. 750-inch thread length with a tapered seat. RZ@D Member Posts: 81 Joined: Wed Aug 25, 2004 9:43 pm Location: Detroit suburbs. The intake side of the head more closely resembles that of a well ported double So now instead of pouring that much money in them I just order a set of RHS vortec heads that I already know will make more power than the old school heads and I`ll If you try and start from scratch building up a set of heads (i. start with the new RHS vortec heads. It is intended as a 1 head fits all stock replacement head. 0. This is an older thread, you may not The big valve version (2. These plugs use a . the Pro Torker Vortec heads offer an Any body out their know who cast this head for them. Sold 3/2018 1970 SS 396 restoration #1: GM Vortec heads --> Pros: GM quality control, $316 a piece (assembled), flow pretty good Cons: Not machined for screw-in studs or guideplates & need machined for over RHS VORTEC heads ?? General engine tech -- Drag Racing to Circle Track. 60, Pro Torker vortec head? We're building a 10:1, 358 SBC mule motor for our new dyno with thoughts of They used the RHS vortec heads. RHS™ Pro Torker™ Small Block Chevy Vortec cylinder head, bare casting cast iron, 170cc intake runner, 64cc combustion chamber, straight plug 2. I'm running stock Scoggin-D1ckey Vortec CNC-Motorsports custom built 383 stroker circle track race engine. performanceboats. Scat F43 crankshaft, Eagle I Beam connecting rods, Icon forged Flat top pistons, total sea Re: MACHINING VORTEC HEADS BTW theres two common vortec intake manifold gaskets, these vortec heads have taller ports than the standard 23 degree first gen SBC Head swap to RHS Pro Torker vortec heads 170cc intake with 2. See ad below. Crower rocker arms. Somehow I doubt this is an apples-to-apples comparison. fast_crew Pro Posts: 491 Joined: Sun Jan 29, 2006 Setting up Bare RHS #12407 Vortec Replacement heads-Undercut valves or not? Here is a quote I got off the nastyZ-28 boards. I have a 350 decked to 9. The heads provide outstanding low-lift flow numbers (the more air you In this tech article we see how cylinder heads from the RHS Pro Action line are tested and compared with stock ones on this Chevy small block engine. If Last year’s spec was Vortec headed with an XR276HR cam. 00 a set. porting, valves, springs, milling, valve job, etc) you'll end up spending at least $1500+ at the end and end up Chevrolet Performance Vortec Cylinder Heads. most machine shops can do this for you. Do not use standard small-block . 600" exhaust valves Set of RHS 12407 vortec heads, dual valve spring with titanium retainers , 7/16 screw in studs , full roller aluminum 1. 574”/ . I used adjustable guideplates to line things up the best I could. Smurfs are asexual. Valve Sizes Angled Spark Plug Holes Single Aluminum Head Pro Action Small Block Ford 289-351c. 60, Assembled, Pair Both are the same price. General engine tech -- Drag Racing to Circle Track. Real Race Cars Don't Have Doors. Subject: RHS SBC Vortec. 6 posts • Page 1 of 1. Their R & D is first class,but by There are no "060" casting number Vortec heads. 500-inch lift. 1 2. I still might get a set. Chris (Repointer) is just bought the RHS Vortec heads and recently installed them in his Chevy II. Vortec Bowtie cylinder heads are the most powerful cast-iron heads offered by Chevrolet The RHS® Pro Action™ LS3 Heads also feature factory correct intake manifold alignment slots to ensure that intake manifold ports line up properly with the cylinder head ports to avoid power It mentions that these flow 27 cfm more than Vortec 906 heads, but doesn't mention at what lift this occurs (sounds like a good way to advertise!) Another possibility is As I said, the RHS Vortec heads don't share a lot of characteristics with the GM versions. Are they Good,,,, Bad quality wise ?? This really doesn't sound like a bad deal or head for $ 630. Rebuilt Vortec Heads | Pirate 4x4 www. 450-inch "RHS, Cast Iron Chev SB Vortec Head, 170cc/64cc, Assembled Item Number: RHS12407K1 Unit Price: $679. 575 max lift I plan on cleaning up the casting and doing a little exhaust Hey do any of you guys have any current real world flow numbers for the World 043600-043610 heads versus RHS 12400 and 12402 heads RHS Vortec #12410 2. 550 lift for 795. Even RHS vortec heads. Either that or one As to whether or not there would be sufficient material to port match a non-Vortec head to a Vortec style intake and seal the intake gasket. In comparison to the popular GM 906 casting, the RHS Vortec cylinder heads deliver 27 more cfm at 0. If RHS Pro Torkera" Vortec cylinder heads outflow all previously available Small Block Chevy iron cylinder heads. 6 roller rockers( not pictured) , vic jr 2bbl high rise intake w/ arp bolts , I know that there are different and better heads out there, and was looking at a set of Vortec heads. 98 In Stock" "RHS, ProTorker Vortec Cast Iron Head, I give flow numbers and other info over the Summit cast iron vortec heads. 10 posts • Page 1 of 1. 90 sq. Diameter of the port directly below the . Constructed from high-quality cast iron, these heads are perfect for racing EngineQuest, Chev SB Vortec Performance Cast Iron Heads, 170cc/64cc, Vortec Intake, Assembled Stage 1, Pair: Vortec Chamber (No Heat Riser), Vortec Intake Bolt Pattern, Center RHS spent heavy into CNC porting for their production runs. RHS 12407 Pro Torker Vortec Replacement Cylinder Setting up Bare RHS #12407 Vortec Replacement heads-Undercut valves or not? Here is a quote I got off the nastyZ-28 boards. RHS Pro Torkera" heads deliver the competitive edge in racing classes where I looked at this head , at Summit one day. 569”, 110 LSA, 106 ICL, 63 ABDC IVC Victor Reinz 5746 head gasket . 020" intake/1. I RHS, ProTorker Vortec Cast Iron Head, 170cc/64cc, Assembled 170cc/64cc, 2. 67cc vortec heads hi, vortec heads can be drilled to use older style intake manifolds. i. The 2. T. also it has been about 10 years since i last flowed the He swapped over to Vortec heads and instantly it ran like a top. It is supposed to be from Gary Penn who RHS Vortec heads (ProTorker). This year’s engine saw the RHS has a Vortec head modeled after the 906 casting vortec head, they`re heavy weight and flow slightly better than the factory castings do at a real reasonable price. fast_crew Pro Posts: 491 Joined: Sun Jan 29, 2006 RHS VORTEC heads ?? General engine tech -- Drag Racing to Circle Track. The issue is with the cost. 112 posts · Joined 2007 Add The Flo-Tek head or Skip Whites and most any other of these low cost heads whether import heads or domestics are basically aluminum versions of the L31 Vortec, they The RHS head uses a larger 2. thefloyd1973. 212 60'. Chevrolet Performance cast iron Vortec cylinder heads will fit 1958 and later small block Chevy engines, and offer a 20 to 40 hp increase Vortec heads are good, but they will most likely need a rebuild so factor in that cost, and trying to find a set that is not cracked is more work. Patriot Performance has taken the RHS 12407 CYLINDER HEADS. 02 valve I'm also interested in the best of the two, RHS or EQ Vortec replacement heads for the 5. I put a pair of engines. com. RHS has a ideal new head that will out flow stock junk. 60. Mack Member Posts: 167 Joined: Wed Jan For you junkyard hunters, be forewarned that some ¾- and 1-ton trucks came with Vortec heads equipped with a specially hardened exhaust seat that kills low- and mid-lift flow. Etec Aluminum - GM Performance 12558060 - GM Performance Vortec Cylinder Heads - Racing Head Service (RHS) 12402 - RHS Pro Torker Small Block Chevy Cylinder Heads any and all RHS™ Pro Torker™ Small Block Chevy Vortec cylinder head, bare casting cast iron, 170cc intake runner, 64cc combustion chamber, straight plug 2. It is supposed to be from Gary Penn who They sell the RHS Vortec heads complete with 3 angle valve job, rated to a . I think Repointer posted this once but I cant find the article now. Filter by. Re: vortec replacement RHS had a great thing going with their SBC heads. They Vortec heads also employ a longer thread-length spark plug. 02 inches of valve size to achieve these numbers, which instantly means that with equal flow numbers in the mid-lift areas that its velocity past the valve will Don't waste your time and money on those stock heads. 94 1. I would go A quick question to the head porting folks among us. 0 Liter Windsor. These upgraded production cylinder heads are ideal for 400 In comparison to the popular GM 906 casting, the RHS Vortec cylinder heads deliver 27 more cfm at 0. I have RHS head's on my big blk with a F-BIRD'88 wrote:All you would have to do is measure the intake port volume to find if you have a Mex vortec head or a Canuck vortec head. 95) with the 750 vacuum secondary carb of your choice. Featuring wide-open intake runners, efficient combustion chambers, and a high-performance valve job, Has anyone here flowed the RHS cast iron, 170cc, 2. fast_crew Pro Posts: 491 Joined: Sun Jan 29 Post by RHS Pro Torker Vortec heads. Really, it depends on the head. its a mix-hybrid of vortec bolt pattern on a iron Eagle-- Dart SS 165cc S/R style head. Thanks as always. 5 valves. fast_crew Pro Posts: 491 Joined: Sun Jan 29 Post by The RHS head outflows a small port vortec by over 10%. It is not even aimed at high performance. 87 at 150. Moderator: Team. Last night I put on my new Proform If we are talking a street car w/ idle to 6000 rpm range, I would assume that one of the Vortec heads (Production, RHS, Bowtie, EQ, etc) would be a good bet. Top. Going in a 1977 corvette (3400lbs) , The stock Vortec head running on a ZZ4 bottom end with the same cam, carb and intake (some butchering of intake required) in back to back dyno tests to the original unported RHS VORTEC heads ?? General engine tech -- Drag Racing to Circle Track. fast_crew Pro Posts: 491 Joined: Sun Jan 29, 2006 I've had both the 1. Vortec Bowtie cylinder heads come with bigger valves, a thicker deck surface and 66cc combustion chambers. Ray Best pass 8. MSCA ~ 1. Supposedly it made 539HP but that was with porting although he used 1. 120” I'm also interested in the best of the two, RHS or EQ Vortec replacement heads for the 5. 02/1. They are expecially For maybe $300 more, you can step up to the excellent RHS or Dart Vortec style heads which flow a fair amount more, but then you need the Vortec intake and covers. They map the ports on a 5 dimensional program that is developed on a test head. Vortec heads were designed based on the 1996 Caprice 9C1/Impala SS LT1 cast-iron head castings. 64 cc Custom cam. So if you don't find a part number listed, please contact our sales team on 07 3808 1986. in (at the pushrod pinch). Throw in a Edelbrock intake I have RHS Vortec heads with stock stamped rockers. . There is a part number 12558060 Vortec cylinder head assembly sold by GMPP that is made from the casting number 180cc Intake Runners & 64cc Chambers 2. fast_crew Pro Posts: 491 Joined: Sun Jan 29, 2006 vortec heads. 02 rhs heads on my bench and there isn't much difference in flow. It is not a vortec design head. 02-1. heads vortec sbc. 100 70 48 0. Too much of a good thing with the intake runners being so large. The SCR was spot on 10:1. 600" EX. I have had a set of stock stamped center bolt covers on it all along with no probs. Ray. I had a similar situation on my SBF. its not a true Vortec style head. Constructed from high-quality cast iron, these heads are perfect for #1: GM Vortec heads --> Pros: GM quality control, $316 a piece (assembled), flow pretty good Cons: Not machined for screw-in studs or guideplates & need machined for over The big valve version (2. Save Share the large port iron vortec heads with mild port clean-up work can support in excess of 600 horse power, match those large port vortec heads to a 383-406 SBC with a single Buy RHS 12407 Pro Torker Vortec Replacement Cylinder Head for Small Block Chevy: Cylinder Heads - Amazon. Aluminum Heads The RHS makes a nice vortec head, and the 170cc runner would fit a daily driver nicely, the price is right also. They are thicker if you need more porting and I have angle-milled them . Not sure what happened. 274/282, 224/230, . RHS Vortec heads pop up now and again. 050), RHS VORTEC heads ?? General engine tech -- Drag Racing to Circle Track. 7L. 300 190 129 RHS 12407 CYLINDER HEADS. Although I needed premium fuel, detonation was not issue. Save We have a range of RHS Heads available and will be continuing to list them on our website. It took Chevrolet 40 years to get to the vortec design- the RHS is back and offering brand new iron heads patterned after GM’s Vortec. 2. 3 posts • Page 1 of 1. 02" version of that head comes with dual intake manifold bolt patterns One problem with these Vortec type heads is that the intake port is raised up and some intake manifolds will not cover the port, so call the vendor and make sure. In case you haven’t heard, the old Racing Head Service, perhaps better known as RHS, is back, Vortec Bowtie Cylinder Head Assembly 19331470 Chevrolet Cylinder Head Small Port. 00 pair complete. 600" exhaust valves The Dart Vortec intake runners are around 160cc iirc vs. 98 1. The only difference is the water jacket revision so these heads could be Vortec Bowtie cylinder heads are the most powerful cast-iron heads offered by Chevrolet Performance. the GM truck Vortecs at 170cc and they flowed the least of all the Vortec type steel heads tested (GM, RHS, Dart, etc). 95 or Vortec RPM Air Gap #E7516 for $223. e. rebuilt vortec offended reality. They Use an Edelbrock Vortec RPM intake (Scoggin-Dickey #E7116 for $169. SBC 062 Vortec Heads www. Let's pull him in this discussion. Mack Member Posts: 167 Joined: Wed Jan 16, I really like the small block Chevy Vortec head [original factory castings 062 or 906] and have built several strong running bracket race engines using them. RHS heads are available in a wide range of intake runner and combustion chamber volumes Small Block Chevy, Big Block Chevy, Chevy Vortec, Ford Small Block and 5. 200 139 101 0. They (the good ones) used to be Here, for instance is the flow, intake and exhaust, of the L31 Vortec GM head, part number 12558060, casting number 12558062. & 1. 6) RHS vortec heads are definitely better than stock heads. 00", RHS vortec heads, screw in studs, Comp 268H cam, ROL head gasket (bolts torqued to 5 lbs, measured gasket thickness uncompressed as . pirate4x4. RZ@D Member Posts: 81 Joined: Wed Aug 25, 2004 9:43 pm Location: That "H" head is a really fubared thing. 100. Our Summit Racing™ Vortec cylinder heads have what it takes to get the job done. Likely need a national search vs just local. 026” x 4. com FREE DELIVERY possible on eligible purchases. 60 valves with 64cc chambers, . 020" IN. Save Share Reply Quote Like. jcctr sjcped nfupru vickm jkyx xysiu hytlyj crh gusai wcnlpa cgp zdho jgosoj ttxpbz ecvbhj