All early Vortec heads have part number 125508060. But these are made from two different castings 10239906 or 12558062. The difference between I have a question I bought heads with a casting number of 10239906 the internet says those are Vortec heads but the casting pattern on the A viewer sent in a vortec head he ported for me to review, and I tell what I think and how much it flowed.
With everyone going to LS engines you can find SBC stuff cheap. Here is just a little info for you all to look for. Subscribe here on Vortec Cylinder Heads: The Definitive Guide | NastyZ28.com Summit Racing 151124 Vortec Heads Unboxing and Review
JUNKYARD SBC HEAD TEST-VORTEC FTW! This videos goes over the big problems of the Chevy Vortec cylinder heads. These are 062 Vortec heads that I use on my 1990
Sbc casting numbers are an important way to identify an old engine but it doesn't always give you all the information you need. SBC Heads: Blueprint H8002K vs. GM Bowtie Vortec My take on what Block you should be looking for to use in your project.
I have a question I bought heads with a casting number of 10239906 In this video Robert shows you how he and Joe rebuilt a set of 906 Small Block Chevy Vortec Cylinder Heads! Remember to LIKE Easy Vortec Head Porting with real flow numbers! Part 2 Its very easy to "over port" vortec heads Watch this video for tips and
How to Identify A Small Block Chevy Engine Part 3: Block Casting Number #shorts Speed Secrets: Making Easy 350 SBC Power with Vortec Heads!
454 big block heads I have not seen one of these for awhile!
SBC Head shoot out Part 2 Heres one for the Old school boys! Stock Vortec Heads VS Stock Camel Humps Vs Ported 2.02 Camel 305 H.O Heads Vs 305 Vortec's (Flow Comparison) Comparison between vortec and EngineQuest vortec heads. A excellent upgrade compared to factory castings, thicker, better
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 Vortec Head Tech - The Project Boat 2007 Sea Ray 210 Select
Vortec Head Basic Porting! Made Easy with Flow Bench Results! EQ Vortec Cast Iron Heads Part 3 Vortec's - How to Kill Flow and How to Increase it! Vortec Head Exhaust Flow
350 Vortec Small Block Engine Chevrolet Casting Numbers Vortec head parts and tool numbers.
CHEAP, EBAY SBC ALUM HEAD TESTS-ARE THE LOW BUCK CHEVY HEADS WORTH THE PRICE? SPEND MORE FOR AFRS? Head Casting Numbers; Starboard Cylinder Head. We have the luxury of having the valve cover off. So we see a casting number of “10239906”. If you are considering switching to Vortec heads this video will help you answer some of the questions you may have Watch this
There are a lot of castings to choose from when running the Chevy Double Hump heads. In this video we discuss what is the best Theres alot of talk and questions about exhaust flow on Vortec heads. Hopefully this video helps answer some of those questions
Hey guys have a question, so i recently purchased a 350. In looking at the casting numbers on the heads I'm coming up with original 1987 L-31 Vortecs -- there are two castings with two versions of one of these castings (#906). The two castings are the #062 and #906. The #906 is
How to build a MILD small block 350 EngineQuest Vortec Heads vs Factory castings Vortec Head Identification | Hot Rod Forum
350 CHEVY VORTEC VS TBI HEADS The Truth About 305 Heads Vortec heads for 1987 350 engine
Small block Chevy cylinder heads come in lots of configurations. Heads with accessory holes are from 1969 and later and any This How to video will show you how to find or locate the casting numbers on your small block chevy engine block. This will show 906 VS 062 vortec heads! Heres the difference and what you can do to make more HP! See my other videos for more about
BACK TO BACK SBC TEST-FULL RESULTS. DO CHEAP SBC ALUM HEADS ACTUALLY PERFORM? What happens when you Small Block Chevy Cylinder Head Showdown! TBI & Vortec 350s || 880 & 638 SBC Block Comparison - What To Look For When Buying
In this video I compare Blueprint Muscle Series H8002K aluminum cylinder heads to General Motors small-port Bowtie Vortec iron In this video I look a some budget friendly options when choosing cylinder heads for your SBC. Double Hump, Vortec, Summit, Vortec Heads - The Big Issues You Need To Know About
"The L31 Vortec comes in two different casting numbers, 10239906 (#906) or 12558062 (#062). Originally, the stock #906 casting head was Everything You Need To Know about the Small Block Chevy Vortec Heads!
Find out why GM Vortec cylinder heads are a great way to add horsepower to your small block Chevy. Learn the physical 906 VS 062 Vortec Heads Vortec heads equipped with a specially hardened exhaust seat that kills low- and mid-lift flow. Casting number 10239906 should be avoided.
L31 Vortecs comes in two different casting numbers, 10239906 (#906) or 12558062 (#062). Originally, the stock #906 casting head was available in SDPC Tech Tips: Vortec Heads for your SBC
vortec heads 906's or 062's ? - Engine Tech - First Generation Monte Summit Cast Iron Vortec Head Review
CAN VORTEC 350 CHEVY HEADS MAKE POWER? HOW WELL DO L31 VORTEC 350 HEADS WORK? HOW CAN I MAKE 400 BIG HORSEPOWER GAINS with Small Block Chevy Vortec Cylinder Heads! SBC Chevy heads on a BUDGET - Do you want to save $$ on your build?? Best for the Money??
305 H.O Heads (416 casting) Stock Flow, Mild porting and larger valves VS Stock 305 Vortec head (520 casting) ***I lost all my I give flow numbers and other info over the Summit cast iron vortec heads.
SBC First-Gen Heads vs. Vortec Heads Reader Identification Guide Have a 90s era truck, van, or manage to find an SBC swapped Jaguar (before LS swaps were financially viable) that you're trying Vortec's VS Camel-Humps!
Ed Smith answered some of your questions, and Tells us Some of his Tricks of the Trade #smallblock #racing #edsmith Various All 20 LS Cylinder Heads Explained (What's Best For Your Project?). Turn a CHEVY 350 into a 421? 🔥 Ed Smith Engine Q&A with #BarryT #hotrod #enginebuilding
10239906 is a 350 head. As is 12558062. The 305 Vortecs are 12552520 and 12558059. Check everything for your build not all builds are the same i take no part of your mishaps this is what i used not a how to. I am not Chevy Vortec Heads
Max lift on these heads from manufacturer is .520" Whats the difference between 305 vortec heads and 350 vortecs? This video should answer your questions and give you some How to Identify A Small Block Chevy Engine Part 6: Cylinder Heads #shorts
vortec head id ? | GMT400 - The Ultimate 88-98 GM Truck Forum Show the flow numbers from just a valve job SBC Vortec head.
305 Vortec Heads vs 350 Vortec Heads (Flow Data) Switching to Vortec Heads? Watch before you buy
Vortec Head Flow Test 243/799 LS head benefits over the standard truck head! #lsx #cylinderhead The casting number will be under the valve covers. most likely you have 062 heads. if its a heavy truck with the 5.7 in it, than you might have 906 heads.
In this video we do a head to head comparison and discuss the facts, and also the pros and cons between the 624, 193 Swirl Port, FULL RESULTS & VIDEO! 2 TESTS! 350 VORTEC HEAD & CAM UPGRADE. UPGRADING THE LEGENDARY L82 WITH ALUM Reviewing Some Ported Vortec SBC Heads
let's talk about some of the small block Chevy heads #sbc #chevy #cylinderhead #budgetbuild Iron Vortec Head
In this video, we're going to be discussing everything you need to know about the Small Block Chevy Vortec heads. We'll be YOUR BUILDING A BUDGET SMALL BLOCK CHEVY WHAT HEADS SHOULD YOU BE LOOKING FOR AND WHAT TO STAY
How To Identify Your Chevy Engine Block With Casting Numbers 350 Vortec Small Block Engine Chevrolet Casting Numbers Just came across this in Marketplace you don't see Small Block s I show what I did to improve the Procomp Vortec heads for sbc. I give before and after flow numbers.
Today we take a look at the common 638 & 880 small block Chevy engines. These are factory roller blocks. 0:00 Intro 1:10 Roller BEST HEADS FOR BEST PERFORMANCE engine build course promo code subscriber2024.
350 CHEVY HEADS BEST AND WORST I do a review of the Speedmaster SBC vortec heads with flow numbers and compare the flow numbers to stock and ported
The Best 350 Chevy Block to Build Are you looking to get almost 100 more horsepower from your GM 350 crate engine? This is the Speed Secrets episode for you! Identifying Cylinder Heads and Quickly Pulling Vortec Engine (Donor Truck Part 3)
Cheater Vortec Heads I show the cheater vortec heads I will use on the 383 that will be dyno tested.
Speedmaster Vortec Head Review With Real Flow Numbers Chinese Vortec Heads Anybody else used these? 305 Vortec Heads | Chevy Tri Five Forum
Able to run an aftermarket Vortec head? Watch this video and you won't be spending money to go slower. Vortec 305 or 350? Time to ID the heads, engine & get it out of the donor 1996 GMC Sierra 4x4 truck. Then use my modified TCI Vortec Bow-Tie Heads
Light Bowl Blending on Small Block Chevy Vortec Heads! #Shorts What "RARE" small block Chevy is this you don't see Everyday? #automobile
Improving Speedmaster?Procomp Cast Iron Vortec Heads Double Hump Heads Which Head to run
HOW TO MAKE CHEAP, JUNKYARD, VORTEC SBC POWER. JUNKYARD VORTEC HEADS-400-HP 350 CHEVY MODS.