What did 243 heads come on
Changing the ls6 243 valve springs to tick .660 lift dual valve springs, also changing the valve seals.26791 posts · Joined 2006. #7 · Apr 13, 2010. 243's for cath ports and l92s for sqaure ports.. i would say are the best lower budget heads from what i understand that came on stock motors..a 6.0l comes with 317s which are the same as 243s just with a larger combustion chamber..if you want to use boost use them..the 243s are an ls6 head and ...Trucks with 243 had heavier valves. I heard people trying to claim they have zo6 heads but come off a truck. ... 2005 Pontiac GTO,NaturallyAspirated 418", 243 heads,stock water pump,3.73 gears, NW 102mm TB,matchported FAST 102,DuSpeed OTR, Bullet Racing 242*/249* .650"/.650"cam, Tick Performance tuned
Did you know?
I would think a 243 head is a 243 head, I think I read that the 243 was used on the LS6 Z and all LS2 motors had the 243 heads. Mr.Bill Reply Like. 09-27-2011, 08:43 PM #3 Eddie 70. Race Director . Member Since: Feb 1999. Location: Lenoir City Tennessee. Posts: 19,658 Likes: 59 Received 29 ...On the other hand, TSP Stage 1 LS6 heads are $1500 complete and they glow about the same as the stock LS3 heads. One major difference is the ported 243 castings won't have much potential for better flow while the LS3s could still be ported. Both the ported 243 and stock LS3 heads should work really well with an LS9 cam or slightly wilder.I was thinking more along the lines of a ported 243 casting with a fast 90 (i figure at least $3300 for the whole kit and kabootle) figuring 2K (lets use livernois stage 3R's for pricing purposes) for the heads and 1300 for a ported fast. I havnt seen many guys go with a setup quite like this so im not sure what the powerband will look like ...My plan is to use my 243 heads and intake on the l92. I’ve got a new gmpp 12638427 cam as well as a 05 lq4 cam.Not looking to make huge HP, just looking to optimize fuel efficiency and maybe nice exhaust sound. also don’t want to loose lo to midrange performance. Between 400-500 HP would be nice. any thoughts or …
I've heard very good things about the sodium filled valves, and that they really make the difference between the Ls2 and Ls6, but they're not worth the extra $200+ dollars you're going to spend on the heads. Sure, they might be awesome for me, but when i'm getting a hell of a deal on LS2 243's, i'm gonna go that route. Just my 2 cents.Gas prices have fallen below $3 a gallon in nearly half of the US as demand slows heading into the Christmas holiday season. The average price for a gallon of gas has dropped below...PRC’s stage 2.5 LS6 Cylinder Heads come standard with the following options: SEASONED GM 243 or 799 Cores 2.02″/1.575″ Stainless Steel ... 58-64cc Chambers. All PRC cylinder heads are extensively researched and tested. The flow data below shows the superior performance of the PRC stage 2.5 LS6 cylinder heads! Flow Data: 3.910 ...Aug 15, 2006 · I know the cam is .525 on both sides, but how much lift can the stock valve springs take on stock 243 heads? I think you're limited to around .550 with the LS6 springs. A lot of guys go to 918 springs with mild camshafts like the GT2-3. Doing the math on a 1.8 rocker makes it .554 lift.1400 HP POTENTIAL Assembled heads come with roller springs good up to .980 lift. Customer must supply cam specs. Machined exclusively for special T&D rockers. Valve Angle is 10 degrees on the intake and 6 degrees on the exhaust. 540 CFM potential airflow. Intake port volumes available are 400cc as cast up to 460cc fully CNC ported. Exhaust port volume is 168cc. Intake valve diameter is 2.450 ...
706 heads tend to be more popular than 243 heads with those who run naturally aspirated engines. While they don’t have the same size combustion chamber they also don’t have the tendency to lower the compression ratio and reduce horsepower. When looking to replace your heads, they offer a high degree of consistency since they are ...Another thing to consider is the life span of the MTI springs. The stock GM springs are guaranteed for three years, or 36,000 miles but generally last the life of the engine. Would you have this assurance with the MTI springed heads. Below are some GM numbers for 243 heads as a comparison. Stock CNC'd LS6 heads I E.100 .200 147 111…
Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. Keep in mind these numbers are going from crappy 853 heads to CNC . Possible cause: Some early LS heads from 98-01, both the 853/806 LS1 and the...
by Raodlife. 862 head is an option for the 4.6L and 5.4L Modular V-8 engines. This head is a great upgrade and a bolt-on option to increase power. The 862 heads flow well and come with upgraded valves, springs, and cams, making this a great upgrade package. The 862-cylinder head is one of the heads that you can pop in with decent gains.Apr 30, 2024 · 862 heads vs 243. The 862 casting number represents the 862 cylinder head. The 862 heads came on all LQ9 6.0 engine blocks and are completely interchangeable with the 243 cylinder head. Both the 243 and 862 heads have the same 64cc combustion chamber, but there are some very slight differences in the pore size of the two heads.
Apr 26, 2018 · If you’re gonna do a L33 swap into anything you may may as well leave the 799/243 heads that come one it. Yes I have seen L33s with a 799 on one side and a ls6’s 243 casting on the other from the factory. There is no reason to put the weaker 862 head on an L33 when the engine comes with the best flowing cathedral port heads GM made.This listing is for a rebuilt GM 5.3 5.7 or 6.0 liter V-8 cylinder head casting 243 only you must have an exchange with the exact same casting number. These heads come on GMC and Chevrolet trucks and SUV's. For other models see our store listings. This head is completely rebuilt. It has been pressure checked for cracks and resurfaced.CBN milled to ensure a super smooth finish. (CBN stands for Cubic Boron Nitride and is best for cast-iron heads). All necessary parts are cleaned and inspected before final assembly to meet AERA specifications. JJ Original Equipment offers buyers a 90-days (Unlimited Miles) warranty for Remanufactured Cylinder Heads beginning on the ship date.
heather abraham age 706 5.3L HEADS vs 241, 799/243 vs 317s. WHICH HEADMAKES MORE? We compared the four most popular stock LS heads in a back to back shootout. We ran the 706/862... ge refrigerator reset switchkatie thompson channel 5 What did LS 243 heads come on? The 243 head came on the more powerful LS6 engine from 2001 to 2006, and was used in C5 Corvettes. Later engines like the truck-spec LQ9 and LQ4 used the exact same port design as the LS6’s 243 heads, but had 6 cc larger combustion chambers. ... Essentially a 243 head with different casting …The cam used was a 231/231 (LSL lobes) on a 114+2. No ported 243 head at 1500 will get you much over 470rwhp and even that will be with a huge cam that most wouldnt want to live with. A Trick Flow 225 with a mid 230's cam has the H/C 1/4 mile record in an LS2 and it isnt a crazy overlap cam. johnny d's clarksburg wv Beautiful set of 243’s are on the shelf and ready to ship. The heads are assembled and complete, no core exchange necessary. Orders placed before 3PM ship same day. FED .700 Lift Dual Spring Kit; FED Custom stainless Intake and Exhaust Valves, 2.040 / 1.575; Titanium Retainers799 LS Engine Cylinder Heads are some of the most recent cylinder heads on the automotive parts market. The cylinder cast architecture is with a semi-permanent mold method. The 799 cylinder heads are in the similitude to the 2004 LS2 cylinder heads due to the triangle casting marks similarity. However, unlike the 243 heads, they do not require ... burrito craft minecraft unblockedbest sororities at smuboosie fade haircuts I recently installed a set of blueprinted and ported 240cc 243 heads with oversized valves on my 1998 c5 corvette and wow! I cant tell which of a mod yielded more of a boost between my cam/UD pulley mod or this!! raised compression ratio to 10:9:1 with room to go for more with a different gasket, Apparantly 97-99 heads were the worst casting for the c5 corvettes ever made, im going for retune ...The 243 heads have larger intake and exhaust ports than the stock heads, allowing for an improved airflow that increases torque and horsepower. With this increased airflow comes a greater capacity to burn fuel efficiently, giving you better performance overall. Additionally, these upgraded 243 heads are designed with a higher-lift camshaft so ... exceptional place to play tennis crossword you can get there easly with 243 heads and a good mild cam. Look for a cam in the 225-230 duration with @ .600 lift and you will be fine. here is an example ... No, it would have come with 853 castings. Reply Like. 01-30-2010, 09:35 PM #11 Quick 68. Racer . Member Since: Mar 2007. Posts: 313 Likes: 0 Received 0 Likes on 0 Posts ...All 5.3L NNBS motors either came with the 799 or 243 heads and flat top pistons. REMEMBER--just because the heads say '243' doesn't mean it has the lighter weight valves and upgraded valvetrain like the 243 heads that were on the Z06 Corvette. Any 799 or 243 head found on a truck had the regular valvetrain. fenway right field box 901519 beasie road murfreesboro tngalaxy theater san antonio tx You will see 50+rwhp probably at same psi. 317/243 heads flow MUCH better than 862 truck heads. flow more at .400 lift than the 862's flow at .550 lift. Boost will also lover the bigger 2" intake valves. 243's with their smaller combustion chambers would be a better match. than the 317's.