317 vs 862 - LS1TECH - Camaro and Firebird Forum Discussion DIY LMP Car gets ported heads! How to port LS 706 heads.#headporting #lsheadporting #diylmpcar
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! CAN YOU MAKE MORE THAN 500 HP NA WITH STOCK 706 HEADS? DO 799 HEADS MAKE MORE HP THAN 706 HEADS? 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
HOW TO MAKE 500+ HP WITH STOCK 706 HEADS. 706 VS 799 VS LY6 VS TFS HEAD TEST! 514 HP WITH 232 CFM! Do LS Engine Heads REALLY Need Porting & Polishing? LS 862's vs 317's explained
6.0 with 5.3 heads untuned vs stock Hemi 5.7 317, 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 706 5.3L HEADS vs 241, 799/243 vs 317s. WHICH HEADMAKES MORE? We compared the four most popular stock LS heads in
LS heads 862 Castings on the Super Flow SF600 flow bench, ported and stable. Making old stuff new again just picked up these junkyard 862 heads they got all new valves, Texas speed Springs. Done at Made 494hp.
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 6.0 Lq9 vs Lq4. 862 Heads Fresh Out of The Machine Shop New Valves & TSP .660 Springs.
The Difference Between LQ9 and The LQ4 #engine #lq9 #lq4 #ls 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 LS 4.8/5.3 Big Valve 862 heads 2.00"/1.57" valves
TruckNorris 862 Heads Single lane Hwy Pass. DOES MORE FLOW EQUAL MORE GO? SHOULD YOU RUN 317 HEADS ON YOUR TURBO LS MOTOR? WHICH HEAD
862 vs 243 ls heads. Which would you run? #performance #horsepower #headshot The 6.0L Rematch-Stock 706 vs 799 Head Test 706 6.0L HEAD UPGRADE LET'S TALK TECH
My new LQ9 Heads/Cam dyno 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: MAXIMIZE JUNKYARD 6.0L LS PERFORMANCE
Comparing Stock LS Heads with Flow Numbers LET'S TALK TECH, ANYONE EVER SEE A SET OF STOCK 243 HEADS FLOW 270+ CFM? WE COMPARED 243 HEADS TO 862 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 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 BangShift.com Which Stock LS Head Is Best For Building A Boosted
HINT: 5.3 dish pistons, 317 heads, stage 2 cam built for boost but not boosted #cars #drift #shorts 243/799 LS head benefits over the standard truck head! #lsx #cylinderhead
polishing LS heads after porting #portandpolish #LSheads #LSpower #montecarlo 2025 v 2021 💀 #scp THE ULTIMATE STOCK LS CYLINDER HEAD TEST! (241, 799/243, 317, 706)
6.0L LS Head Test-Who Wins-799 vs 823? Filmed in Mexico.
WHICH IS BETTER-CNC PORTED STOCK LS HEADS OR AFTER MARKET CNC HEADS. TEA 243 HEADS VS AFR 245 HEADS! 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
HOW MUCH DO YOU CHANGE THE STATIC COMPRESSION WHEN YOU REPLACE THE STOCK 317 HEADS ON AN LQ4 OR Lq4 6.0 with 862 heads Showing how after having the deck surface milled .030" the combustion was 61.0cc Prior to having the heads milled, Factory
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, 706 vs 317 heads : r/LSSwapTheWorld
which head will make more power 862 vs 317 | Yellow Bullet Forums LS 862's vs 317's explained - YouTube 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.
Big plans for the Durango and a lot of progress coming up soon! Can't wait to see this full-body bouncer in action. 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
KPE 862 Ls cathedral port Cnc LQ9 6.0l GM BTR TRUCK NORRIS CAM TBSS Intake Manifold installed. Facing Cylinder Head #milling #lathe
Link to our Facebook Group, Link to my website, 317 heads
5.3L build 862 vs 317 heads (compression)?? - LS1TECH - Camaro 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 BOOST VS HEAD FLOW-WHAT STOCK HEAD SHOULD YOU PICK FOR A TURBO LS? 706 VS 317-DOES MORE FLOW MATTER?
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. This was a ported 862 head on our Super Flow SF600 flow bench. They were on a 4.000inch bore adapter because they are
Ported 317 heads 6.0L LQ9 with 862 heads, truck norris cam, speed engineering longtubes. #cammed #trucknorris #lq9
10 DIY JUNKYARD COMBOS, FULL DYNO RESULTS, REC & CATH PORT-WHAT WORKS! CHECK OUT THIS VIDEO WHERE I 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
All 20 LS Cylinder Heads Explained (What's Best For Your Project?). 862 heads DO NOT come with 61.5cc Chambers
Thoughts on 706 heads on a lq9 vs 317 or 243s ?????? Which heads work better for a 6.0 LQ9 engine, 862 or 806 LS1 heads? 862 Heads for my 6.0 and project update!
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. 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 WHICH STOCK LS HEAD MAKES THE MOST POWER? SHOULD I UPGRADE MY STOCK 6.0L HEADS?
Lq9 acceleration after 799 heads and truck Norris cam. Update on the 6.0 build and more parts that came in the mail!
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 I flow a stock 706, 862, and 317 LS Head and share the numbers. 862 Heads on a 6.0? - PerformanceTrucks.net Forums
862 & 317 compression ratios - PerformanceTrucks.net Forums High Compression LS 6.0 - The Best Budget Performance Engine Build This video is about Porter 317 heads.
Previously, we compared the stock 706/862 heads to the 799/243 heads on a cammed 5.3L test motor. There was much uproar Ported 5.3 862 Heads with 2" LS1 Intake Valves - Update 16 April 2014
LS Swap LQ4 + 862 = 10.5:1 Best Bang for Buck Which head is best on your Gen III LS swap? Building a high-performance engine on a budget can be a challenge, but with the right combination of parts, it's possible to create
HOW TO BOLT ON 73 HP TO YOUR LS! DO PORTED HEADS ADD POWER? SHOULD I USE PORTED STOCK LS HEADS OR First set of 862 ls cathedral port cylinder heads being machined by KPE ,ports designed by Chad koch.
5.3 Heads Repaired Right. #706#headreaper#ls#chevy #silverado#becauseracetruck @outfitsgarage88 We compared a set of LS3 heads vs 317 heads both NA and turbocharged on a cammed LS3 test motor. Check out the gains Turbo LS Head Shoot Out-LS3 Rec vs 317 Cath Port
Stock 317 vs Ported 862 exhaust ports 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. *FIRST START* Cammed 5.3 BTR Stage 4.. 862 Heads.. TBSS Intake #motivation #inspiration #chevrolet
TURBO LS HEAD TEST-706 vs 317 (BEST FOR BOOST?) DIY head porting! Beginners guide! 706 LS heads. Which factory LS cylinder head works best with a turbo, 706 or 317? It's the age-old comparison, airflow vs compression. This LS
LQ4 vs. LQ9 Engine Comparison. #lsswap #automobile #engine #mechanic LET'S TALK TECH-243 VS 862 317 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
JUNKYARD LS HEAD UPGRADE-CATHEDRAL PORT VS REC PORT-WHO WINS? 706 VS 799 VS 317 VS 823 (6.0L & 6.2L) ls1 862 all freshened up with new springs