Comparing Stock LS Heads with Flow Numbers Ported 862 heads intake side #cartok #impalass LET'S TALK TECH-243 VS 862
I flow a stock 706, 862, and 317 LS Head and share the numbers. 862 heads can out flow 243’s? Day 4 CNC ported GM 862/706 Castings, 227cc intake runner, 84cc exhaust runner, 62cc chamber. Our stage 1 will use stock valves in the 2.0/1.55 size (sold as a pair)
THE ULTIMATE STOCK LS CYLINDER HEAD TEST! (241, 799/243, 317, 706) Assembling the 862's for the Turd-Bo 4.8 Turbo. Build. A beginners guide to cylinder head porting. How to port your LS 706 cylinder heads. We use our DIY flow bench to test our porting
862/706 LS Raising the roof exhaust porting To get the best bang for your buck gen 3 lq4 + 862 Heads will give you a 10.5:1 compression ratio with smaller combustion
LS 862 4.8/5.3 heads Fully Ported How to CC Porting the Heads on a 5.3 LS
TruckNorris 862 Heads Single lane Hwy Pass. I just wanted to piece together a few small videos I found to show a little bit of the progress and how things came together on
All 20 LS Cylinder Heads Explained (What's Best For Your Project?). JUNKYARD 4.8L & 5.3L POWER UPGRADES! HOW TO ADD 130+HP TO YOUR LS! HOW TO SWAP HEADS, CAM AND INTAKE DSP CNC Ported GM 862 / 706 Casting - Driven Speed Performance
DIY head porting! Beginners guide! 706 LS heads. CNC Ported 862/706 Heads | LM4/LM7 Cylinder Head Pair – Allied
polishing LS heads after porting #portandpolish #LSheads #LSpower #montecarlo 862 Heads for my 6.0 and project update! This was a ported 862 head on our Super Flow SF600 flow bench. They were on a 4.000inch bore adapter because they are
He wants some port work, a valve job and his springs set up that came with his cam kit. I haven't done any LS heads to date. Im more of a 243/799 LS head benefits over the standard truck head! #lsx #cylinderhead 6.0L LQ9 with 862 heads, truck norris cam, speed engineering longtubes. #cammed #trucknorris #lq9
Making old stuff new again just picked up these junkyard 862 heads they got all new valves, Texas speed Springs. Done at I compared a set of stock 799/243 cathedral-port heads vs the 823 LY6 rec-port heads on an LY6 short lbock. The motor was How to port and polish any aluminum LS heads|tips tricks and tools needed
Lets do a nice long video series on porting my 862 heads. Not really a step by step but showing how i did mine and they turned Ported 862 LS heads Final Ports Experimenting with porting the 862/706 heads using the smaller 1.89” intake valve. As a test I created a moderate 208cc intake
862 heads DO NOT come with 61.5cc Chambers I do not recommend porting them. The majority of the time, the heads will flow worse when someone tries porting them. The design is much, much
Quick tips for porting and polishing any LS heads My IG: 13b_dorito Here is some useful links for tools that you need to get this job Boostline Performance - Street Series 5.7L Dyno Testing - 862/706 Cylinder Head Comparison When Should Your Port Your Cylinder Head? 🤔 #shorts
KPE 862 Ls cathedral port Cnc Katech CNC Porting LS1/Truck 862, 706 Cylinder Heads (PAIR) Click on image to zoom In Stock CNC Porting Service Was: $561.99 Sale: $499.99
First set of 862 ls cathedral port cylinder heads being machined by KPE ,ports designed by Chad koch. Ported 862 Heads VS Stock 799 Heads. Visual Aid. #lsxworld #lsxnation Showing the results of fully porting a set of 862 heads. Factory valve size 1.89”/1.55” Intake bowl cut 92.2% Exhaust bowl cut 87%
Porting to improve flow while maintaining decent port velocity for the 4.8 Turbo build. Castings: 2002 862 upgraded to Factory LS1 I have lightly ported 862's on a .030 over LQ4, (370”), flat top pistons, CR is roughly 11:1, it makes strong low speed torque, it will 60 Port and polish 862 heads? : r/LSSwapTheWorld
Katech CNC-Ported 862/706 Cylinder Head Flow Data Porting 862 Big Valve heads
Junkyard LS 862 Head Rebuild pt1 How much of a power difference is there with stock 862 heads using the 1.89" intake valve compared to porting the same casting to accommodate a 6.0 Ls Swap S10 with slightly home ported exhaust port 862 heads off of my 5.3. BTR Ls1 Stage 3 cam, single plane intake.
LS heads 862 Castings on the Super Flow SF600 flow bench, ported and stable. which heads should I get ported 862 or 853 Ported 5.3 862 Heads with 2" LS1 Intake Valves - Update 16 April 2014
actually there is a few benifits w/ the 862. 1.everyone knows about the higher compression that's free HP. 2.smaller port = faster air velsocity. 3.smaller port LSX Ported Cathedral Port 862's for Turd-Bo 4.8 Turbo Showing how after having the deck surface milled .030” the combustion was 61.0cc Prior to having the heads milled, Factory
FULL DYNO RESULTS! LS POWER RULES! 4.8L & 5.3L UPGRADES + BONUS TEST. THE JUNKYARD LS MOTORS are perfect Starting another set of 862 heads: Upgrading to 2.00”/1.55” valves and porting them to 215cc/82cc ports. Chamber will be
Katech CNC Porting LS1/Truck 862, 706 Cylinder Heads (PAIR) How to port and polish LS heads at home. This video shows you how to port and polish 706 LS engine heads. This LS engine is
706 5.3L HEADS vs 241, 799/243 vs 317s. WHICH HEADMAKES MORE? We compared the four most popular stock LS heads in Porting LS 862 heads 215cc
*FIRST START* Cammed 5.3 BTR Stage 4.. 862 Heads.. TBSS Intake #motivation #inspiration #chevrolet Porting LS 862 Heads for Velocity Showing the progress Porting the 862's for my Turbo 4.8 project. Yes it's a slow process and I limit how much I can do each day.
la dyablitas ported 706 heads going on a 6.0. 862 Heads Power - Ported vs Unported (stock) - LS1TECH - Camaro WHICH IS BETTER-CNC PORTED STOCK LS HEADS OR AFTER MARKET CNC HEADS. TEA 243 HEADS VS AFR 245 HEADS!
Do LS Engine Heads REALLY Need Porting & Polishing? CNC ported GM 862/706 Castings. 227cc intake runner, 84cc exhaust runner. General Recommendations. Wilkes Performance assumes no responsibility for damage. CNC Ported GM 862/706 Casting | Wilkesperformance
6.0L LS Head Test-Who Wins-799 vs 823? HOW TO BOLT ON 73 HP TO YOUR LS! DO PORTED HEADS ADD POWER? SHOULD I USE PORTED STOCK LS HEADS OR
I'm showing how to port a set of ls cathedral port cylinder heads by hand! I'm doing this on a set of 243 cylinder heads, but this can LS Swap LQ4 + 862 = 10.5:1 Best Bang for Buck
a21bravo 5.3 Twin Turbo Ranger Ported 862 Big Valve heads LS 862 head porting - Don Terrill's Speed-Talk
Basic beginning work for raising the roof of the exhaust port to optimize the exhaust path angle. Using this method will help I need to get a set of LS 862 heads ported. Any recommendations on Update on the 6.0 build and more parts that came in the mail!
A DIY Beginners Guide to porting LS heads (Cathedral Port) Designed for the 5.3L V8 engine (03-09), these heads surpass OEM standards, offering unparalleled power and efficiency. Featuring .650 springs and 2.00/1.57
Porting LS 862's Big Flow 220cc/83cc PAC 1218 springs Boostline Performance - Street Series 5.7L Dyno Testing - Stock 862/706 heads Vs. Frankenstein Engine Dynamics CNC Ported
LET'S TALK TECH, ANYONE EVER SEE A SET OF STOCK 243 HEADS FLOW 270+ CFM? WE COMPARED 243 HEADS TO 862 DIY LMP Car gets ported heads! How to port LS 706 heads.#headporting #lsheadporting #diylmpcar
Get some merch and support the build and the channel. Follow me on social media 862 LS Head Port & Polish part 1 Presented By Infinish Process of converting to Big Valves and performance porting.
Previously, we compared the stock 706/862 heads to the 799/243 heads on a cammed 5.3L test motor. There was much uproar I need to get a set of LS 862 heads ported. Any recommendations on a local machine shop? Lex, Rky, Gtown. Porting 243 heads exhaust runners #handporting
Porting 862’s Bowl cuts & Raising the roof Porting cathedral port LS heads! chamber softening polish chambers removing swirl ramps cutting rocker boss down first timer eh Watch as we CNC port 862/706 heads and flow data is provided. If you would like to have your heads ported, click here:
Lq4 6.0 with 862 heads Porting Cylinder Heads Really That Easy!? Which heads work better for a 6.0 LQ9 engine, 862 or 806 LS1 heads?
The heads are ready for the 4.8 flat top pistoned 5.3 that is going into the '87 Chevy Truck. These 862 cast heads have been fully Final ports on the 862's for my Turbo 4.8 build. I have the final bowl cut percentages and volumes for Intake port, Exhaust port;
862 heads ported, final numbers: Intake Bowl 92% Exhaust Bowl 87% Intake port 220cc Exhaust port 83cc Chambers smoothed. ported 706 heads Most heads are swappable but some will reduce power. Some won't fit as some heads are designed for a wide bore. But don't
862 Heads Fresh Out of The Machine Shop New Valves & TSP .660 Springs. The 6.0L Rematch-Stock 706 vs 799 Head Test Hey guys, any questions drop them in the comments. Enjoy. Remember to watch a few videos on this so you can get all the info
How to port your LS cylinder heads! In your garage by hand! +40cfm! Porting LS 862/706 how much do they flow? 254cfm @.600" lift?
Sharing part #1 of porting of a set of 862 cathedral port heads. Outlining the bowl cut, burr and showing 3x burrs and the process