862 & 317 compression ratios - PerformanceTrucks.net Forums 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 862 vs 243 ls heads. Which would you run? #performance #horsepower #headshot
First set of 862 ls cathedral port cylinder heads being machined by KPE ,ports designed by Chad koch. KPE 862 Ls cathedral port Cnc
6.0 with 5.3 heads untuned vs stock Hemi 5.7 Comparing Stock LS Heads with Flow Numbers
My new LQ9 Heads/Cam dyno Porting cathedral port LS heads! chamber softening polish chambers removing swirl ramps cutting rocker boss down first timer eh
Freshened up set of 799 heads to swap out 317s on the 6.0L #LS #enginebuild #lsswap #rockbouncer Are both heads stock? If so, the 862 has a tiny 1.9 intake valve. The 317 head has 2.0 valve and a larger intake runner cc, like the LS6. DOES MORE FLOW EQUAL MORE GO? SHOULD YOU RUN 317 HEADS ON YOUR TURBO LS MOTOR? WHICH HEAD
We compared a set of LS3 heads vs 317 heads both NA and turbocharged on a cammed LS3 test motor. Check out the gains 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 CAN YOU MAKE MORE THAN 500 HP NA WITH STOCK 706 HEADS? DO 799 HEADS MAKE MORE HP THAN 706 HEADS?
All 20 LS Cylinder Heads Explained (What's Best For Your Project?). Making old stuff new again just picked up these junkyard 862 heads they got all new valves, Texas speed Springs. Done at
862 heads DO NOT come with 61.5cc Chambers 317, 799, 706, 241, 243, or 862? Feb 23, 2021Chad Reynolds1320 Engine Tech, Every single week I have someone calling, texting, or messaging me about a
TruckNorris 862 Heads Single lane Hwy Pass. Ported 5.3 862 Heads with 2" LS1 Intake Valves - Update 16 April 2014
862 Heads for my 6.0 and project update! 6.0L LQ9 with 862 heads, truck norris cam, speed engineering longtubes. #cammed #trucknorris #lq9 Previously, we compared the stock 706/862 heads to the 799/243 heads on a cammed 5.3L test motor. There was much uproar
HOW MUCH DO YOU CHANGE THE STATIC COMPRESSION WHEN YOU REPLACE THE STOCK 317 HEADS ON AN LQ4 OR 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 862 Heads Fresh Out of The Machine Shop New Valves & TSP .660 Springs.
LS 862's vs 317's explained. 486 views · more 862 Heads 215cc 2.00/1.55 LS1 500 whp. HeadFlowInc•19K views · 11:31. Go WHICH IS BETTER-CNC PORTED STOCK LS HEADS OR AFTER MARKET CNC HEADS. TEA 243 HEADS VS AFR 245 HEADS!
Building a high-performance engine on a budget can be a challenge, but with the right combination of parts, it's possible to create DIY head porting! Beginners guide! 706 LS heads. 5.3L build 862 vs 317 heads (compression)?? - LS1TECH - Camaro
I flow a stock 706, 862, and 317 LS Head and share the numbers. 862 Heads on a 6.0? - PerformanceTrucks.net Forums
Stock 317 vs Ported 862 exhaust ports This video is about Porter 317 heads.
LET'S TALK TECH, ANYONE EVER SEE A SET OF STOCK 243 HEADS FLOW 270+ CFM? WE COMPARED 243 HEADS TO 862 BOOST VS HEAD FLOW-WHAT STOCK HEAD SHOULD YOU PICK FOR A TURBO LS? 706 VS 317-DOES MORE FLOW MATTER? HOW TO MAKE 500+ HP WITH STOCK 706 HEADS. 706 VS 799 VS LY6 VS TFS HEAD TEST! 514 HP WITH 232 CFM!
JUNKYARD LS HEAD UPGRADE-CATHEDRAL PORT VS REC PORT-WHO WINS? 706 VS 799 VS 317 VS 823 (6.0L & 6.2L) Update on the 6.0 build and more parts that came in the mail! 317 vs 862 - LS1TECH - Camaro and Firebird Forum Discussion
Lq9 acceleration after 799 heads and truck Norris cam. Lq4 6.0 with 862 heads
I have 317s on my 5.3 with a 78mm turbo. It is an absolute dog out of boost. There is no reason to drop the compression. TURBO LS HEAD TEST-706 vs 317 (BEST FOR BOOST?)
The 317 heads have a 72cc chamber and I beleive the 862 heads have a 65cc chamber.The 317 heads used on a 5.3 block will have about 8.7 to 1 2005 Escalade LQ9 10.1 340HP "Basic Pump Chump" to "TORQUE BEAST" 6.0L 10.6-11.1 CNC P&P 706 Heads w/ 2" 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
Which heads work better for a 6.0 LQ9 engine, 862 or 806 LS1 heads? LS 862's vs 317's explained There's no debate, it's been proven the 862/706 heads will make more power than the 317's. 317's and 241's are the worst factor LS heads.
LS heads 862 Castings on the Super Flow SF600 flow bench, ported and stable. HINT: 5.3 dish pistons, 317 heads, stage 2 cam built for boost but not boosted #cars #drift #shorts
6.0 Lq9 vs Lq4. Which head is best on your Gen III LS swap?
*FIRST START* Cammed 5.3 BTR Stage 4.. 862 Heads.. TBSS Intake #motivation #inspiration #chevrolet 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 Facing Cylinder Head #milling #lathe
High Compression LS 6.0 - The Best Budget Performance Engine Build LS 4.8/5.3 Big Valve 862 heads 2.00"/1.57" valves
LS Swap LQ4 + 862 = 10.5:1 Best Bang for Buck LET'S TALK TECH-243 VS 862
DIY LMP Car gets ported heads! How to port LS 706 heads.#headporting #lsheadporting #diylmpcar 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 heads on the 6.0 (higher compression 10.1:1 vs 9.4:1 with 317 heads) without issues? I'm putting a fairly aggressive cam like 220-230ish
LS 862's vs 317's explained - YouTube 2025 v 2021 💀 #scp
706 5.3L HEADS vs 241, 799/243 vs 317s. WHICH HEADMAKES MORE? We compared the four most popular stock LS heads in Showing how after having the deck surface milled .030" the combustion was 61.0cc Prior to having the heads milled, Factory
HOW TO: MAXIMIZE JUNKYARD 6.0L LS PERFORMANCE Do LS Engine Heads REALLY Need Porting & Polishing? LQ9 6.0l GM BTR TRUCK NORRIS CAM TBSS Intake Manifold installed.
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. BangShift.com Which Stock LS Head Is Best For Building A Boosted Picked up the converted 862's! Opened up to the 2.00/1.57 valves Surfaced .020" One step closer to the Turbo 4.8 build!
706 vs 317 heads : r/LSSwapTheWorld The 6.0L Rematch-Stock 706 vs 799 Head Test 5.3 Heads Repaired Right. #706#headreaper#ls#chevy #silverado#becauseracetruck @outfitsgarage88
Ported 317 heads 10 DIY JUNKYARD COMBOS, FULL DYNO RESULTS, REC & CATH PORT-WHAT WORKS! CHECK OUT THIS VIDEO WHERE I The Difference Between LQ9 and The LQ4 #engine #lq9 #lq4 #ls
Big plans for the Durango and a lot of progress coming up soon! Can't wait to see this full-body bouncer in action. Made 494hp.
317 6.0 heads be milled to match the 706/862 5.3 heads? 0 reactions ·. 9 comments. Erick Moore ▻ LSX Swapped. 5y · Public · 862s or 317s for a 6.0L LS Head Test-Who Wins-799 vs 823? THE ULTIMATE STOCK LS CYLINDER HEAD TEST! (241, 799/243, 317, 706)
The 243's (LS6) are essentially identical to the 317's but with a smaller chamber. They flow similar. All other factory cathedral port heads which head will make more power 862 vs 317 | Yellow Bullet Forums
A 317 head flows more than an 862, period. 1pt (or less if it's a flat top 5.3) of compression is not enough to tip the scales in the 862's 317 heads 706 6.0L HEAD UPGRADE LET'S TALK TECH
WHICH STOCK LS HEAD MAKES THE MOST POWER? SHOULD I UPGRADE MY STOCK 6.0L HEADS? ls1 862 all freshened up with new springs Filmed in Mexico.
Turbo LS Head Shoot Out-LS3 Rec vs 317 Cath Port LQ4 vs. LQ9 Engine Comparison. #lsswap #automobile #engine #mechanic Which factory LS cylinder head works best with a turbo, 706 or 317? It's the age-old comparison, airflow vs compression. This LS
243/799 LS head benefits over the standard truck head! #lsx #cylinderhead This was a ported 862 head on our Super Flow SF600 flow bench. They were on a 4.000inch bore adapter because they are
HOW TO BOLT ON 73 HP TO YOUR LS! DO PORTED HEADS ADD POWER? SHOULD I USE PORTED STOCK LS HEADS OR Thoughts on 706 heads on a lq9 vs 317 or 243s ??????
Link to our Facebook Group, Link to my website, polishing LS heads after porting #portandpolish #LSheads #LSpower #montecarlo