Vortec heads 600 lift 450-. The conclusion was that swapping from peanut port to Vortec heads provided modest power gains. It can be done for about $50 including the valve springs!!! Just take the inner dampener from stander 1. So I just took the new heads out of their boxes, and bolted them on the block. As to having the stock heads "Bench flowed" to decide what cam to use; that's BS for the "average" street driven vehicle. 500" lift so anything beyond . I'd love to see the two compared, so as to see at what point in lift, the 2. Link to GM Performance Valve Springs:http Nov 16, 2011 · The engine ran very well but it was very very slow. I had a roller block, PM rods and speedpro hyper flat top pistons, a used a LT1 cam with vortec heads, Edelbrock dual plane intake for the vortec Mar 12, 2012 · 516 262/203 600 lift 77. Havent driven it yet since im still in paint mode but this thing sounds pissed lol. An Important tip if you plan on cutting down the valve guides and want to run a hi Jan 18, 2010 · So as some of you may know I am putting some vortec heads on my sbc 355 this winter. 250" tip length exh valves or . The factory Vortec heads use a light, single-wire valvespring with a damper that Nov 16, 2008 · There was a write up on these heads years ago in Chevy High Performance (the Chevy Thunder advertising insert) but the flow chart was terribly screwed up. Head gasket set. Comp Cams limits their cams for the Vortec head to . Dual Valve Spring Kit for Aftermarket Aluminum Heads, Hyd Roller, 130 Lbs Seat, . However, the E-TEC heads are aluminum typically costing more than the production GM May 5, 2023 · Table of Contents. $3,200. 5% 81. See All 10 Photos. I like the Isky 201278 cam in hot 350 vortec motors. 73 gears Dec 15, 2004 · Vortec high-lift heads. Feb 5, 2017 · So I ran the numbers and swapping over to 350 vortec heads of the 906/062 design is pretty much a wash on compression when using a steel shim gasket . 540" is a will not do you much good. 1-. 470" lift) on a set of stock Vortec heads. 2001). 600 lift (SD8060RA2) or the ones that have only valve springs for . I'm focusing on longevity and reliability for street driving. 400 227 151 0. 100 70 49 0. 600 lift is too much for the performance that I think I will get from them. Dec 10, 2012 · How do the ones you listed compare flow wise to a set of vortec heads with . 500 239 160 0. Wheeler Motorsports. 020 and 0. 566/. 2cc. 580" w/ . 50-inch valves and a 76–cc combustion chamber. Jun 10, 2021 · If you are wanting vortec heads only, you could use these heads, good for . 289" tip length exh valves Rate# 348 Aug 5, 2006 · gm performance parts has low $$ vortec heads in 200cc version that will accept both intake bolt patterns, and I believe have higher lift capability than production truck heads. 450 lift ok. If there's photos to be had of sawed-apart L-29 heads, I'd love to see them, too. I've spec'd my retainer to seal clearance and coil bind and can run a max of . I have not had any issues with my setup but I may just have gotten lucky. You shouldn't have to relieve the bores with 2. 550+ lift on a stock Vortec guide and Stock valves! No machine work. 420, you need to run upgraded springs. Mar 15, 2018 · There are two different LT1 cams but both are mild and work very well with the vortec heads. 475" the cam I went with has a max lift of . The modified vortec Heads for the SBC 355 for the Vortec intake Dyno test. 510" lift so that was kept in mind. 400 221 136. 02 without the porting and bowl work, the flow goes DOWN almost 10 cfm. I'll buy the comp cams cutter, and arbor, and just cut the guides down, buy a regular style spring. $209. Comp Cam 238XE cam and a Summit vortec intake. 52 Roller Rockers 1 5/8" headers 2 1/2" duals with summit turbos MSD- distributor and 6A box HP peaked at 4,800. Jan 5, 2014 · Flow rate of L31 Vortec heads Lift (in. Flow figures are available for most heads (from the manufacturer and/or the after-market manufacturer). 450" Lift hyd cams to great success. Do a conventional valve job 37/45/60/75 and blend the bottom of the 75*. 050, single pattern 64 CC Iron Vortech heads milled for high lift and springs upgraded Edelbrock 1406 600 CFM and Air Gap Manifold Erson 1. Specifications: #2- Edelbrock 2102 Performer-Plus Camshaft and Lifter Kit Oct 30, 2011 · One thing I noticed about the vortec heads is the intake flows best at . 500 Re: L29 Vortec BBC heads 03-12-04 02:42 AM - Post# 383912 In response to Carnut427 The 8. 600 lift and broke the damper springs and smashed all the valve seals at . 500 232 138 Oct 15, 2022 · On this type of build with non modded vortec heads and stock vortec retainers and seals I have used the Isky Oval track . 520 lift. If you have these things already than get a set of 180cc dart iron eagles or some trick flows to stay with in your budget. Of course the ones I picked out are the most expensive. 1 Vortec heads are a different animal. I dont have all the specs for you, but I would definately look into them as they are great deals for the money. The L29's look just like any other oval port head except for the chamber. 530" out of the box. 300 198 . 0 KB, 197 views) Sep 9, 2004 · Lunati #10010 Hydraulic Cam- . 600 229 162 Flow rate of Summit Brand Vortec Heads LIFT INT EXH. 500-inch range, the Vortec heads require modifications to the valveguide to allow more lift and new springs. ) Intake (CFM) Exhaust (CFM) 0. Then once fully ported for the bigger valve, flow increases nicely. Head Gaskets For Vortec Heads 10105117 GM Composition Head Gasket, 0. Nov 19, 2008 · Lift - 1st port - 2nd port - stock Bone stock 236 head flow numbers: 4. 480 lift or with the optional better springs installed that some places supply at extra cost, on some heads to a . 530" - . 525 lift (SD8060A2). 600 lift cam in an engine when the heads stop flowing at . get the 200cc versions if your building a larger CI motor Feb 25, 2009 · You'll never see andthing from that, and Visa Versa, put a . They are 201268,. 600 Valve Size: 2. 100 121 . 1094 Fel-Pro Head Gasket, 0. 500" lift No Problem with-out machining. 200 126 108. 600 229 162 Which would you choose on the cheap? Dyno Test: (Cheap Heads) Basic 350 w/RPM intake. but I just found some great cut-away photos of 03-16-09 05:00 PM - Post# 1653321 In response to chevy355s10 theres a huge difference between what you can occasionally get away with, and doing the job correctly with the correct valve train geometry and clearances, the clearance you have will vary between small block engines and differant cylinderheads a good deal, . Going after flow at . Oct 4, 2020 · Vortec heads are limited to how much lift you can run. 55-inch valve combination, and different port configuration allowing it to out perform the stock production Vortec head. O. 42 rear gears with a milder lunati 219/227@50 515/530 lift and 18 inches of Jul 18, 2019 · The vortec ports I've worked on don't need the throat size made very large. Mar 15, 2004 · The MAXIMUM lift you should use, is no more than . Head also features dual intake and valve cover bolt patterns. Let's discuss how you can run more lift without machine work. If you took a set of stock vortec heads and bolted on an engine how much lift before something breaks is a question really everyone wants to Oct 7, 2008 · most stock vortec heads are restricted to either a . style crate engine with Vortec heads, but let’s choose instead a set of pre-Vortec iron production heads such as a set of 441 heads. 400 226 . The cost to recondition port and modify them to accept up to . Apr 28, 2015 · Looking for a recommendation for a good set of valve springs that won't require any machining to Vortec heads. 500" valves Jul 3, 2002 · It had an article about Vortec heads and higher lift cams. 015" and assuming 62 cc's, now if they are 64 cc then looking at . 200 165 . The S/R Heads and the S/R Torquers are exactly the same casting. At . 006, 210 @ 0. Making the port aperature on the cylinder head wide enough and making the heighth on the intake taller will work well as long as Mar 20, 2024 · Heads are GMPP Fastburn Vortec aluminum heads with 2" intake and 1. Nov 17, 2011 · The engine ran very well but it was very very slow. 051” thick compressed. Dec 9, 2005 · As many know, Chevy Vortec heads make great power out-of-the box but can’t take more than about . Only the valve size is changed on them. 98. Max engine speed is 5,500 rpm. HOT ROD Staff Writer May 05, 2003. Total. 94/1. Jul 21, 2017 · Regarding valve lift, even the GM Performance Bowtie Vortec heads (both small and large ports versions) have a max lift of . After reading every post I could find on the net about the 10141279 Vortec heads I have decided that they will not be used on this build. Intake is Vortec Perfromer RPM Planning on Holley Terminator 4BBL Manual transmission - 4 or 6 spd. Before reading the CHP article, It was my understanding that the Vortecs could handle . Top 3 Best Cam for 350 with Vortec Heads #1- COMP Cams CL12-600-4 Thumpr Camshaft. Cost about 150$ CAD plus new hardware (big springs, retainers, ect) Also I'm not to sure what springs you would need for that set up, I'd find a local machine shop/engine builder to give some tips. 450" lift with your vortec heads, we recommend using our high performance Vortec heads with the SDPC valve spring upgrade. 050, 131 @ 0. 26" od valve springs {Z-28 or Edelbrocks} and remove the posi lock valve seals from the heads. 940"/1. 400 lift from what I have read. 300 185 125. 480 lift, 292 duration and . 400 or . 028” thick compressed. Check and double check all your measurements, its not difficult with a snap T gauge and mic. 350 bore adapter, SF 600 28 inches,. 420 inch. 00. 5 out of 5 stars. 725" Chamber Volume CC: 99cc Spark Plug Position: Angled Spark Plug Size: 14mm Spark Plug Reach: 0. Remember that if using the vortec heads you need to use the self aligning rockers. 470” valve lift without binding. A 70*-72* may work better under . 600 or maybe run 1. 488/. 230 @ . 553 539 hp 585 274/212 700 lift The Vortec heads are better then the phase 2 Bowties and the Drivers knows what The 185 Vortec has taken the Vortec head to the next level. Jun 5, 2009 · I got 520 vortec cast heads for about $200, had them checked for cracks and lift. 475" is about max on most heads, yes you can sometimes get away with . 3. And leaves room for an intake. 750 lift so lift isn't an issue as with most vortec heads. This number is the last three numbers of the casting number, using 1. 73 gears 81 Malibu 2 dr Manual brakes. May 25, 2014 · lots of guessing out there and if one was really trying to "get away" with a certain lift, vortec heads have lots of room, too many posts with folks over exaggerating the "max lift" and not in a good way. Last year I built a 355. In a nutshell, the article stated that if your cam lift exceeds . I know a lot of people use comp beehive springs, but which ones? Its a hydraulic roller around 234 duration @. Lots of info in this video! Please watch the whole video for a Sep 24, 2008 · With the tremendous popularity of GM’s Vortec head, Edelbrock decided to design a head around the GM casting. 2 drop in compression. Mar 24, 2017 · Because these heads are meant to work with a 1. 60 over 350 moly rings vortec heads - stock sdpc2000. 600" Lift, Includes ID Locators, Vsk11M40-QK, ships around 30 days after order. 500 lift. 5 RR. SD8060A. 265" OD. Widen the pushrod side at the pushrod. 600" lift? Jun 12, 2015 · The same thing happened to me, Vortec heads advertised as . 500" and the exhaust lift will be close to . 50 Compare Feb 24, 2015 · - 64cc/190 ProComp Aluminum Heads (CNC, Ported, and Polished) - Scorpion 1:6 ratio roller rockers - Edelbrock 650 AVS - Edelbrock Performer EPS intake - Mallory HEI Dis Before heads, intake, and roller rocker upgrades my build sheet had the engine dyno'ed from the builder at 385hp. The origional heads were the earlier style vortec's Aug 31, 2005 · 1) Use vortec heads modified for higher lift and with some bowl work (standard upgrade). 580" lift (1. 600 lift Edelbrock 60985 Edelbrock E-Tec Cylinder Heads | Summit Racing Free Shipping - Edelbrock E-Tec Cylinder Heads with qualifying orders of $109. 210") Max lift- . Wow, that was a surprise. Jan 13, 2019 · The Gen VI Vortec Heads do not flow much past . Vortec cylinder heads significantly outflow non-Vortec service replacement cylinder heads and earlier OEM cast-iron heads. Nov 15, 2017 · However, they also sell heads for . 1 with a 2000 stall and 3. " Scoggin Dickey:"When using more than 0. Cam is Comp Xtreme 4x4, 260 @ 0. Can someone please criticize this new combo. 635. 880" ID 110 Lbs @ 1. These cylinder heads are ideal for applications up to 350 horsepower, but they require Vortec-specific intake manifolds. 600 lift? Do they flow better? You said more power so I assume so. 6 heads gained flow. 350ci short-block assembly. 2 valve seals from a turbo car and you Oct 26, 2018 · My cam used is only . 5 and the exhaust flows better at . 600 lift they would flow 239 in 160 ex. 550" Lift w/ . 8/101 242/299. 015” thick compressed. doc (54. 550 lift, so verify your clearance issues before installing a larger cam, STOCK rods and rod bolts generally cause clearance problems unless you use a small base circle cam May 5, 2003 · Modifying Vortec Heads For 0. Physically the heads can handle . There are a few posts on here that have some good info in them. 44. 600" 227 - 190 Vortec head flow numbers. 708" Spark Plug Number: RS12YC *L-29 exhaust port = 81. 02 1. Bigger runner and bigger valves mean more power! Just ask dirt track racer Shawn Guffey, who has won every race and back to back track championships since installing Vortec heads on his A Hobby ride. Cast-iron Vortec Cylinder Head Assembly • Completely assembled with 1. (I asked a W/Products tech guy on this) Jan 15, 2008 · PER NXS- "Vortec heads will take . Hippie is correct, there will be a port mis-match, but the mismatch is the proper type where the intake aperature on the manifold is shorter than then one on the cylinder head. Based on my research these heads flow around 250-260 CFM intake and 180-190 CFM at around . 600 lift, they just do not flow much more with that higher lift. 50. 5:1 rocker, their tall valve guides can only handle maximum valve lifts of around 0. 19's, 'IF' the vortec valve locations are the same as GEN IV heads. If I had a source for a good set of used Vortec heads I would consider having the guides machined and the heads tapped for screw in studs. 4. Flow rate of L31 Vortec heads Lift (in. 300 190 137 0. In our dyno test chapter, we address a 350 H. Use a high perf stock diameter spring but you have to take the damper out to fit the vortec heads. 065"/1. 12557236 GM Composition Head Gasket, 0. Victor Reinz. 600-lift when the head only Jan 21, 2006 · # COMES ASSEMBLED WITH HI LIFT . 98 Feb 26, 2017 · My other slightly milder 350 previously had a 600 plus cfm vacuum secondary that was modified for more tuning and aftermarket billet blocks and got it tuned for exact same mileage of 19 mpg in a 96 s10 with dart 180 shp aluminum heads and 9. 5746. Jan 15, 2012 · Scoggin-Dickey sells Vortec heads already correctly modified for use with high-lift performance camshafts. I had heard conflicting reports of how much lift a stock Vortec head would take, and was ignorant of how to check it myself. I ended up going with the LS6 beehive springs and 787-16 Comp retainers. 050" hyd ft cam with . 500 lift or so. 30. 5 76cc heads, except at . 500 lift! Attached Files cyl head flow compare. PART NUMBER OPTION Spark Plugs For Vortec Heads 5613611 R44LTS, set of 8 5614210 MR43LTS, set of 8 25164641 #3, Rapidfire style, set of 8 Sep 27, 2010 · The springs I got for it are supposed to drop into the vortec heads with no other mods. replace the seals with Chrysler 2. com ones corvette cam Performer intake 600 holley single corvette cam specs: This Mar 3, 2015 · stock vortec heads with ever so slight bowl blend I did and short turn smoothing 234/244@ . . per Chevy High Performance (Feb. 600" LIFT SPRINGS, GOOD FOR HYDRAULIC OR SOLID FLAT TAPPET CAMS # ALL NEW METAL CLAD, VITON VALVE SEALS,3/8 SCREW IN STUDS,RETAINERS AND HARDENED VALVE LOCKS, CUSTOM ASSEMBLED, READY TO RUMBLE I have sold hundreds of reworked stock type vortec heads, and they are so thin and so crack prone that I gave up fixing them. Dec 29, 2014 · Hello all,subject are heads,vortec heads, im trying to find the best vortec heads to go with or aluminum heads and are affordable $500-1000 range,i do want Jul 27, 2006 · Since even mild performance cams stretch the valve-lift envelope into the 0. See All 10 Photos Mar 10, 2011 · What springs/partnumber do most people use on vortec heads? I need to set up a pair of vortec heads for a buddy and would prefer to use compcams springs, retainers and locks because I get good pricing on compcams stuff. 460 on the intake and the exhaust with stock vortec heads. Jun 19, 2018 · 64cc Machined vortec heads with dual springs, screw in ARP studs, Manley guideplates, titanium keepers. 6 rocker arms on the exhaust? May 9, 2009 · Vortec L29 Heads 99cc chamber volume (small ovals) Further Head specs-Intake Port Flows CFM @ Lift 63 . 510 lift, stock rockers and push rods knock off air gap 600 holley vacuum secondary 1 1/2" shorty headers (open at the track) jegs 10" stall 2700-3000 ( brake stalls to 3200 rpms) th350 tranny 2. 600"+ lift is meaningless for this one. 6 so should i get a cam where the intake lift is close to . Before machining After machining The height of the valve guides were about . Nov 18, 2006 · Dark Mode; Light Mode; Menu Log in Jul 13, 2014 · The vortec heads I bought from summit at the time of purchase said they had a max lift of . Here are the specs on the springs: 1. . 200 139 105 0. 55" exhaust valves. Just curious? Thanks. Vortec heads are maxed to about 475 lift, I recently got a set machined for a boat running about 510 lift. 050 probably Feb 5, 2006 · Stock vortec heads can be drilled and tapped for standard intake manifold mounting. 760" from the spring Mar 1, 2008 · Read all about our findings as we compare a variety of performance cylinder heads against GM's iron Vortec castings - Super Chevy Magazine opening the valve past . 94 1. I just started machining the guides down for more lift just wanted to see if i was on the right track. May 17, 2006 · okey so my engine is in engine heaven. 474" lift with 1. 500 242 . 201278 201288. Dual plane weiand speed warrior air gap intake 800 double pumper I want to make over 400 hp Sep 24, 2014 · . XE256 cam in my mild 331 street engine. 468". 525-Inch Valve Lift. However, vortec heads require special covers, rockers, and intake as compared to a normal sbc head. Profile the valve guide boss, then work the short turn to move the flow curve up to the valve lift being ran. This head features a 1. Jan 27, 2014 · Depending on what Vortec heads you can find, some are definitely worth looking into if you're planning on bumping up the horsepower. Not even W/Products seems to have numbers on their 1. Oct 8, 2004 · Here’s what happened when I ran a Competition Cams Comp Magnum 270H (. There are a few different things you can have done to the Vortec heads to get better performance out of them. A buddy of mine said the cam I ordered isn't enough lift, but A I don't need a crazy amount of power, and B the vortec heads don't flow any better over . The common solution to this issue is to machine the valve guides, and spring seats to allow upgraded springs and more clearance for more lift. 1 day ago · Summit Racing™ Vortec Cast Iron Cylinder Heads SUM-151124 SUM-151124. Feb 28, 2015 · Point taken. I plan on running the Vortec heads with a Comp. They also sell a complete kit which has the modified Vortecs, intake manifold (Edelbrock Vortec), rocker arms, etc to basically bolted on your existing short block. Part Number: SUM-151124 Estimated Ship Date: Monday 6/2/2025 Thats right! You can run . 510". The ones I posted are $600 a set. 1,150. 550 lift. On the vortec heads if you just cut in a valve job for the larger valve say 2. 520 -. 800" -Valve Closed, Spring Installed Height 360 Lbs @ . Scoggin-Dickey. How did you modify yours to work with more than . Speedway Motors/Flo-Tek 180cc PN 7222200, $739. hwvyc klz prtsb vndnsea pxnwbm zvcn tgxy jlsth wimh euw