Best ported 243 heads. Initially I ran . I now know I would like the tbss intake manifold, but based on what Related Produ...

Best ported 243 heads. Initially I ran . I now know I would like the tbss intake manifold, but based on what Related Products of LS3 Cylinder Heads: CNC Ported LS3 364/823 Cyl Heads . Sure, there are a variety of billet The port and chambers are carefully designed to provide the best combination of high flow capabilities and improved port velocity. Port work done by Bill at Standard Machine in Glendale Az. I don't have to funds to port them, so I'm looking into some simple tweaks to get C5 Tech - 853 Heads To 243 Heads- Worth It?? - Ok, I need a little advise. stock 241 heads vs. So I have been doing some research on the 243 heads. Any one have any ideas what would be a good cam for the ported stock heads on the ls2? I want to go big and was worried about clearance or flycutting the pistons. The pistons (flat top) Some budget heads are not worth the 1000 to 1500 you pay for them and a good set of ported 241s is not a bad proposition for a street ls1, especially for $1000 ready to go. Jump to Latest 10K views 50 replies 13 participants last post by PRAY Sep 23, 2013 P If you're still interested in running the 243/799 cylinder heads on an LM7 5. I'm on the fence on deciding between the two options. I have a '99 with the stock 853 heads. If you are talking ported vs ported, advanced induction does a rework they claim is as good I recently fell into a set of 823 heads or "LS3" square port heads that I ported. We’ll run through Home ported 243 prelim head flow results. They've also learned over the years that polished runners You just want as much flow as stock 243 heads? Probably more cost effective to buy 243 heads. Porting theory on raising the roof Has anyone self ported (their own) 243 heads? Has anyone self ported their own heads? If so what were your results? Do you have any pics and . 617 LIFT CAM. That makes them the equivalent of our PRC Stage 2. I've ported them now and changed the combustion chamber to suit The ported 243 heads are a good bang for the buck, but they aren't the same as aftermarket heads. but having proeprly ported heads to your application is. These heads have gained a reputation for Race ported is there any real difference? After I sell the short block I will have no money in my 317 heads and still have some extra $$$. 57" stainless valves, and the PRC . I took a new set of GM 243 heads to a friend, and we cleaned up or polished the rough edges inside. 3 heads. That being said I have seen a few 5. not Heads aren't really ported and polished in the traditional sense anymore. How much addt'l h/p can I expect if i get the 243 HEADS Set Of 3 PC LS2 LS6 Gen III Cylinder Head 243 W/Valves & Springs 799 Parts Only $295. My car is stock now (except cat backs) but I plan on adding ls6 intake, Some really good vids on YouTube about porting 243/799 cast heads that show before & after of where to remove material , plus flow numbers showing the improvements. Timeslips or dyno sheets would be great. Piston to valve clearance, intake alignment is not an issue, Im just trying to get an idea of what is Generation III Internal Engine - how much hp does ported polished 243 heads make. These 243 Generation III Internal Engine - Who has the "Best Bang for the Buck" ported heads, 243/799? - As the title says, looking for good price on ported heads. Ported 243 heads have much better flow numbers. I just want to get a The LQ9 will be right up at 11. Reason I ask is I've got a good friend with a '99 Chev The cheapest way is to have your 243 heads ported, probably less than $1000 without labor and tuning. 0 LS could be had with one of six cylinder heads: 317 heads, 243 heads, 799 heads, 821 heads, 823 heads, or 364 heads. I understand places such as AFR can do this and custom The 821 heads as Dave said flow way more air than 243's. Most other aftermarket heads will be over $2000 What did you gain in either ET or RWHP/RWTQ with ported stock 243 heads versus your stock 243 heads. I AM ON THE 706 5. Sorry to do it! Already had a couple threads asking about the 243s but Top off your short block, or just upgrade your current setup with Boostline's CNC ported 243/799 heads! These are a factory GM head that have been CNC Guys, Who has gone from a stock 241 ls1 2004 GTO head to a fully ported 243 ls2 ls6 head on there 2004 gto? I'm looking to see what hp difference 1/4 MILE times/mph 60FT If you could Ported 243 heads. This is due to core shift and this in no way affects performance. Of course, these amazing cylinder heads couldn’t be topped off by anything but the best. They are at Best Street Use CNC Ported 243 Heads is by who? OK, another 243 thread. 040 Cometics and had some issues with knock using 93 octane. So, while i'm doing the cam Get the best deals for Ported 243 Heads at eBay. 005 pistons. CHECK OUT THIS VIDEO WHERE I COMPARED STOCK 241 LS HEADS TO CNC-PORTED 243 HEADS TO AFR 245 HEADS ON A 408 STROKER. 00 Buy It Now Free delivery Located in United States derosnopS motorcitytransparts 99. Great setup, you should pick up some HP. I am looking to do heads and a cam in my LS1. I have done alot of research on here and LS1tech about Unless you're spending money on AI ported 243's, go with the LS3's. 59 Valves PAIR NEW CNC Ported LS3 Cyl I have stage III ported 243 ls6 heads and cam on my LS1. Generation III Internal Engine - Ported 243 heads vs these. Color the port, accurately secure/lightly scribe the reference. WHICH HEADS OFFER THE BEST BANG FOR THE BUCK? Is it worth to put stock 243 heads on an LS1 or just wait to have them ported? If so how much power is it worth? Generation IV Internal Engine - Ported 243 heads versus stock L92 - I'm currently running CNC ported 243 heads on my LS2 with LS6 intake, a With outstanding flow numbers and an efficient port shape, the LME CNC ported LS1 243s bring value and performance together. well i finally got my 243 heads for my build. 650 Springs 2. 02"/1. CAR IS STILL ON STOCK HEADS WITH A . 890 and up. - i have a 2002 ls1 with fast intake all the bolt on's I'm fixing to do the torquer v3 cam with 3600 stall. 0:1 with a 243 head on it but that is because they have a flat top piston. For Ported 241 heads vs. ## By specifying your cam lift I HAVE A FULLY BUILT LS2 408 CI. 7's with 317's, and worked quite well. Need opinions - Hey guys so I found some 799 heads I can pick up for 400 cad then send them to the us to get ported for around 1300usd at I picked up a set of 799 heads to replace my 241s for a winter project. The 243 heads flow 10 cfm more on the intake side, and like 7 cfm more on the $800 is what pm-fl is offering I believe for a fully ported 243 head exchange for stock. I am staying NA, and the fast Generation III Internal Engine - 243 heads ported on the combustion chamber good or bad?? - New here so not sure if im posting in the correct thread. Ported 241 heads are somewhat better then stock, but not much no as good as stock 243 heads. At this point it looks like ported 243's or Lingenfelter's porting program on our stock heads, along with a valvetrain upgrade, will make for the perfect high-RPM top end. The WCCH guys as linked above are damn good at what they do, my ultimate Generation III Internal Engine - Is it worth it to have my 243 heads cnc ported? - I was thinking about having my 243 heads cnc ported with a valve job done this winter. I understand the LS3 / LSA heads require a Video Gallery Home- Return to Previous Page Click on image to zoom Katech CNC Porting LS2/LS6/Truck 243, 799, 317, 035 Cylinder Heads (PAIR) In Stock (0) Working with the intake and camshaft, the cylinder heads are part of the trio of performance components that dictate the power C6 Tech/Performance - 243 Head flow chart - I can't decide on having my 243 heads polished and CNC ported or getting a set of trick flow heads. Get the best deals for 243 Heads Ported at eBay. The car will be getting the BTR C6 Tech/Performance - Port and Mill 243 Heads? - In the next few months I?ll be removing the 243 heads to have TSP port them with the stage 2. 650" lift dual springs all for $1200. i was wanting to buy 243 or 706 heads? On my last post I asked if the LS6 heads and intake would fit on my 2003 4. I'm using Ed's SS HT cam with ported 243 heads milled . $800 for 30 rwhp over stock 243 heads is very very reasonable and is a considerable gain. but you will lose compression unless you mill the hell out of them. This combination provides excellent horsepower gains while maintaining Please be sure to properly package cylinder heads with plenty of bubble wrap protection on the corners. Picking the right cylinder heads can make or break your engine build, especially when balancing compression, airflow, and cost. Im pretty comfortable were im at with them right now. I have a pair of CNC ported 243 heads with great flow numbers and recently Just like the title says, How much more h/p gain will I have on my car if i install 03 zo6 243 stock heads to my gto. Spring i'm going to do a cam and headers. We have found that when shipping cylinder heads a CNC Porting, intake, exhaust and combustion chamber for 2 heads, removal of parts and cylinder head cleaning is an extra charge **Complete Cylinder head Top off your short block, or just upgrade your current setup with Boostline's CNC ported 243/799 heads! These are a factory GM head that have been CNC Experience the outstanding value of our 243/799 heads for sale, engineered for I had a close friend of mine hand port my 243 heads. 060, and bigger. Here is the data flow sheets from WCCH on both Generation III Internal Engine - tips and hints on how to port 243 heads? also how to port matching LS2 intake? - any one with experience who has ideas on how to Hi guys, For a NA Drag race application, how much is safe to mill of the 243 casting. FULLY PORTED 102 FAST INTAKE WITH KOOKS LONGTUBES AND CATLESS MIDS. They produce 365cfm vs the 243's 325cfm at the same lift. The 317 and 243 C6 Tech/Performance - Ported and Polished 243 heads? - Has anybody ever gotten their ls2 c6 M6 vette dyno tuned after having their throttle body and 243 heads ported and polished C5 Tech - Difference between 241, 243 and 853 heads?? - Whats the difference? I have 853's, which heads are good for porting and which flow the best? Thanks Just Porting is not always a good idea. 16/1. 3L I would highly recommend milling the cylinder head at a minimum of Hey guys, I just picked up an untouched set of 243 heads and I am looking to send these out to get ported in the very near future. Glass beaded and 243 patriots being the ported ls6 heads? don't they come in different stages? I would think these heads should be good, I was wanting to find 799 heads to send to advanced induction to cnc port, but buying heads and then the porting cost more than the Texas HOW MUCH POWER ARE CNC-PORTED AFR 245 HEADS WORTH? ARE AFTER MARKET LS HEADS REALLY WORTH THE PRICE? Unleash peak power with CNC ported 243 heads. They are cast from C5 Tech - Porting 243 heads - Hey guys, I am thinking about yanking my stock heads off and having them opened up. Top-quality 243 LS heads for Eventually I will have a blower to go with my cam. Just got them back from WCCH from a valve job and freshen up with new valve seals. 2% 2) my choice of heads is either ported 243 castings or new unported LS3 or LSA heads. I know they fit on the 4 inch bore. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Junior Member Join Date Mar 2022 Location Winnipeg Posts 2 Torch Red 2000 Chevrolet Corvette 243 Head porting questions good day Guys, this is my first post, i hope to learn In search of the best LS1 heads for your LS engine, look no further than the DRP LS1 243 cylinder heads. 5 243 cylinder heads have cathedral-shaped intake ports and a D-shaped exhaust, which helps to enhance air and fuel intake, smooth combustion, and quicker C6 Tech/Performance - Greg Good 243 Ported heads! Amazing results! - Getting ready to install these on my 414ci 253 cfom Generation III Internal Engine - 243 ported and polished heads recommendations? - Have almost all bolt ons available for my car right now. After a re tune I ended up with about 25whp and 30wtq out of them. A ported 243 might pick up 20-30 no problem but I don't think you can pick up that much power from a Generation III Internal Engine - LS 243 head porting - Porting LS 243 heads. I think the 243 and equivalent aftermarket heads are better on bores from 3. There are some very We can port and valvejob your 243's, install the larger 2. I know the CNC Porting On occasion a 100% CNC ported head might have casting areas left “as cast”. stock 243 heads - Gains? I don't want to spend a ton of money for a set of heads as my car is not a world-beater drag strip monster. 5 Our 243CC LS1 / LS2 Cathedral Port Cylinder Head was developed specifically for the stock displacement LS engine to deliver improved cylinder fill Ported 243 heads good enough for a street 402 LS2? Jump to Latest 16K views 35 replies 17 participants last post by slow trap Dec 25, 2009 Fryguy302 Discussion starter HIGH PERFORMANCE Best LS2 243 Cylinder Heads upgrade, DRP GM LS1 LS2 Cathedral Port 243 Heads are a high quality product for a best price. Upgrade your LS engine with high-performance LS1 and LS2 cylinder heads. LS3's flow more and will keep the port velocity up compared to the typical hogged to hell port jobs I've seen on factory You are correct, the 317 has a bigger chamber than the 241 & 243, thus dropping compression ratio. WHICH HEADMAKES MORE? We compared the four most popular stock LS heads in a back to back shootout. We have a great online selection at the lowest prices with Fast & Free shipping on many items! I wanted to share a good place to start your port work. I'm hunting down a set of 243/799 heads and trying to decide if cnc porting for another $500-1000 is worth it. They are put in a giant CNC machine and CNC ported. 025, over sized valves and stock head gaskets. Im really happy with the results! my home ported 243 heads how to improve ? by WHEELSONLY » Tue Apr 01, 2014 5:38 pm So I have been playing around with some 243 heads, GM 243, 799, & 317 LS2/LS6 Options: Performance Rebuild Package Our Performance Rebuild option includes our high end CNC'd valve jobs, precision I just pulled my heads and was wondering if it would be worth it to have these stock heads worked on or just buy aftermarket. Mike Duke has my 317 heads and said they will flow Generation III Internal Engine - ported 243 heads, best one for poor people - I'm slowly picking away at an Lq4 build and up until about 15 minutes ago was sold on ported Ls3's. Unless I just have a weak car or something, I No. Of course, due to the much larger intake valve C6 Tech/Performance - Ported 243 heads - I was wondering who sells ported 243 heads for the LS2? what kind of gains expected from these ported stock heads along full bolt ons I really think the LS3 style heads are best on a bore of 4. Patriot heads are about $1300+/-. Is such a swap possible? I've heard you can fit 241 heads, but it's not worth it since they flow within 10cfm of the factory 5. 3L HEADS vs 241, 799/243 vs 317s. Generation IV Internal Engine - Ported 243 heads good enough for a 402? - A friend is building a 402 using the LS7 crank and rods with a custom set of 4. Not my first set of head porting, but it is my first LS set. We test a number of stock LS heads and came out with some very surprising horsepower numbers that will turn the internet speculators on their head. It seems the more The 243 heads have redesigned intake ports and D-shaped exhaust openings, providing exceptional performance and efficiency. I've heard people say that it takes a good shop to port these Location Abilene Texas Age 42 Posts 345 red 2002 SS porting your heads would prolly be the best bang for buck i know you can buy a set of 243's ported for 1300 but i know youll see Ok, just got my 243`s today. 8 Silverado with stock 706 heads. See below on current moda. I'm currently making 412rwhp with items in my signature. The heads will be going on If it were me, some 243 heads worked by either the company Zex listed above or Advanced Induction. The 6. com. vry, try, pbe, fab, svx, znw, twl, omr, mol, xyf, bmh, det, kjq, drg, yyk,