Watch as we CNC port 862/706 heads and flow data is provided. If you would like to have your heads ported, click here: How to port and polish any aluminum LS heads|tips tricks and tools needed
WHICH IS BETTER-CNC PORTED STOCK LS HEADS OR AFTER MARKET CNC HEADS. TEA 243 HEADS VS AFR 245 HEADS! 243/799 LS head benefits over the standard truck head! #lsx #cylinderhead 862 heads DO NOT come with 61.5cc Chambers
Basic beginning work for raising the roof of the exhaust port to optimize the exhaust path angle. Using this method will help Update on the 6.0 build and more parts that came in the mail!
The 6.0L Rematch-Stock 706 vs 799 Head Test CNC ported GM 862/706 Castings. 227cc intake runner, 84cc exhaust runner. General Recommendations. Wilkes Performance assumes no responsibility for damage. Katech CNC Porting LS1/Truck 862, 706 Cylinder Heads (PAIR)
Porting LS 862 Heads for Velocity Get some merch and support the build and the channel. Follow me on social media
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 I flow a stock 706, 862, and 317 LS Head and share the numbers. 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
6.0L LS Head Test-Who Wins-799 vs 823? THE ULTIMATE STOCK LS CYLINDER HEAD TEST! (241, 799/243, 317, 706) 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
polishing LS heads after porting #portandpolish #LSheads #LSpower #montecarlo Junkyard LS 862 Head Rebuild pt1
LS 862 4.8/5.3 heads Fully Ported How to CC 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 Assembling the 862's for the Turd-Bo 4.8 Turbo. Build.
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 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 LS 862 head porting - Don Terrill's Speed-Talk
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 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
LS Swap LQ4 + 862 = 10.5:1 Best Bang for Buck Ported 5.3 862 Heads with 2" LS1 Intake Valves - Update 16 April 2014 A DIY Beginners Guide to porting LS heads (Cathedral Port)
Process of converting to Big Valves and performance porting. Comparing Stock LS Heads with Flow Numbers Lq4 6.0 with 862 heads
862 Heads for my 6.0 and project update! 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; LSX Ported Cathedral Port 862's for Turd-Bo 4.8 Turbo
862 LS Head Port & Polish part 1 Presented By Infinish 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!
I need to get a set of LS 862 heads ported. Any recommendations on 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
CNC Ported 862/706 Heads | LM4/LM7 Cylinder Head Pair – Allied LET'S TALK TECH, ANYONE EVER SEE A SET OF STOCK 243 HEADS FLOW 270+ CFM? WE COMPARED 243 HEADS TO 862 la dyablitas ported 706 heads going on a 6.0.
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 862 heads can out flow 243’s? Day 4 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
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 Porting 243 heads exhaust runners #handporting LET'S TALK TECH-243 VS 862
6.0L LQ9 with 862 heads, truck norris cam, speed engineering longtubes. #cammed #trucknorris #lq9 Boostline Performance - Street Series 5.7L Dyno Testing - Stock 862/706 heads Vs. Frankenstein Engine Dynamics CNC Ported Ported 862 LS heads Final Ports
First set of 862 ls cathedral port cylinder heads being machined by KPE ,ports designed by Chad koch. Porting LS 862 heads 215cc TruckNorris 862 Heads Single lane Hwy Pass.
706 5.3L HEADS vs 241, 799/243 vs 317s. WHICH HEADMAKES MORE? We compared the four most popular stock LS heads in Porting Cylinder Heads Really That Easy!?
Ported 862 Heads VS Stock 799 Heads. Visual Aid. #lsxworld #lsxnation Porting LS 862/706 how much do they flow? 254cfm @.600" lift? Porting 862’s Bowl cuts & Raising the roof
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. 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
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% 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
Do LS Engine Heads REALLY Need Porting & Polishing? 862 Heads Power - Ported vs Unported (stock) - LS1TECH - Camaro
When Should Your Port Your Cylinder Head? 🤔 #shorts Experimenting with porting the 862/706 heads using the smaller 1.89” intake valve. As a test I created a moderate 208cc intake
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) I need to get a set of LS 862 heads ported. Any recommendations on a local machine shop? Lex, Rky, Gtown. 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
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 Showing how after having the deck surface milled .030” the combustion was 61.0cc Prior to having the heads milled, Factory Starting another set of 862 heads: Upgrading to 2.00”/1.55” valves and porting them to 215cc/82cc ports. Chamber will be
Which heads work better for a 6.0 LQ9 engine, 862 or 806 LS1 heads? Boostline Performance - Street Series 5.7L Dyno Testing - 862/706 Cylinder Head Comparison HOW TO BOLT ON 73 HP TO YOUR LS! DO PORTED HEADS ADD POWER? SHOULD I USE PORTED STOCK LS HEADS OR
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 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
862 Heads Fresh Out of The Machine Shop New Valves & TSP .660 Springs. CNC Ported GM 862/706 Casting | Wilkesperformance FULL DYNO RESULTS! LS POWER RULES! 4.8L & 5.3L UPGRADES + BONUS TEST. THE JUNKYARD LS MOTORS are perfect
Porting 862 Big Valve heads JUNKYARD 4.8L & 5.3L POWER UPGRADES! HOW TO ADD 130+HP TO YOUR LS! HOW TO SWAP HEADS, CAM AND INTAKE 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
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. Ported 862 heads intake side #cartok #impalass
Katech CNC-Ported 862/706 Cylinder Head Flow Data ported 706 heads
Porting LS 862's Big Flow 220cc/83cc PAC 1218 springs KPE 862 Ls cathedral port Cnc DIY head porting! Beginners guide! 706 LS heads.
which heads should I get ported 862 or 853 *FIRST START* Cammed 5.3 BTR Stage 4.. 862 Heads.. TBSS Intake #motivation #inspiration #chevrolet DSP CNC Ported GM 862 / 706 Casting - Driven Speed Performance
This was a ported 862 head on our Super Flow SF600 flow bench. They were on a 4.000inch bore adapter because they are a21bravo 5.3 Twin Turbo Ranger Ported 862 Big Valve heads
Porting to improve flow while maintaining decent port velocity for the 4.8 Turbo build. Castings: 2002 862 upgraded to Factory LS1 DIY LMP Car gets ported heads! How to port LS 706 heads.#headporting #lsheadporting #diylmpcar LS heads 862 Castings on the Super Flow SF600 flow bench, ported and stable.
All 20 LS Cylinder Heads Explained (What's Best For Your Project?). Porting cathedral port LS heads! chamber softening polish chambers removing swirl ramps cutting rocker boss down first timer eh
862 heads ported, final numbers: Intake Bowl 92% Exhaust Bowl 87% Intake port 220cc Exhaust port 83cc Chambers smoothed. 862/706 LS Raising the roof exhaust porting Port and polish 862 heads? : r/LSSwapTheWorld
Making old stuff new again just picked up these junkyard 862 heads they got all new valves, Texas speed Springs. Done at Porting the Heads on a 5.3 LS