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Corvair Cylinder Head Thermal Cleaning

Here's another look at the thermal cleaning system at Costa Mesa R&D Automotive Machine Shop being used to clean a pair of grungy/filthy Corvair cylinder heads. (949) 631-6376 Don't forget to 'Click' and SUBSCRIBE.


 


More Videos...


Fiat 1200 Cabriolet Cylinder Head Rebuilding
Here are some of the steps that are required to rebuild a cylinder head. Watch as John Edwards takes you thru the process at Costa Mesa R&D Automotive Machine Shop. (949) 631-6376 Don't forget to 'Click' and SUBSCRIBE.





Fiat 1200 Cylinder Head Rebuild-Take 2
Take 2 on the Fiat 1200 cylinder head rebuild. Spelling mistake corrected. Costa Mesa R&D Auomotive Machine Shop (949) 631-6376 Don't for get to 'Click' and SUBSCRIBE.





Fiat 1200 Rocker Arm Assembly Rebuilding.mp4
See how a rocker arm assembly is reconditioned at Costa Mesa R&D Automotive Machine Shop, John Edwards take you thru the steps. (949) 631-6376 Don't forget to 'Click' and SUBSCRIBE.





Cylinder Head 201 - Radius Cut Valve Job
This video covers the complete valve job process that your machinist might perform. If the 100 series videos didn't help you identify and correct a problem with your cylinder head, then this is the next step. This video is brought to you with permission from my machinist in full 1080HD, and covers cleaning up the head inside and out, preparation and setting up a radius cutter, cutting all 16 valve seats, valve grinding, and spans 3.5 hours of actual work in under 30 minutes. There's nothing like this anywhere else on YouTube. THANK YOU BALLOS PRECISION MACHINE. Thank you for the professional explanation and execution of a job excellently-done, and un-precedented access to your facilities. A valve job is done by re-grinding or replacing valves, and then having new seats cut to match the faces of the valves you're using. There are several different machines that might be utilized to achieve this result, but the process is the same no matter how it's done. There are seat cutters that utilize cutting stones. There are valve seat cutters with 3 separate angles installed 120° out-of-phase, and there are single cutters with all 3 angles (radius cutter) that cut with one blade in one pass. The machine demonstrated here is a Sunnen VGS-20 Radius Cutter. This machine (now out of production) produces a gradual curved seat that's superior to the shape of a traditional 3-angle seat. While a radius cutter does contain the 30, 45 and 60 degree angles, it does so without leaving any sharp edges between their faces. My valve selection includes Supertech 1mm oversized nitride-coated stainless steel undercut and back-cut intake valves, and 1mm oversized Inconel back-cut Exhaust valves. Inconel is a high-temperature alloy utilized in marine and forced-induction performance engines that can handle more abuse than steel can without melting. The other characteristics of the valves which are discussed typically yield bigger gains in airflow than simply using a bigger hole and a bigger valve. Why I did this to a perfectly-good cylinder head: I changed cams. Because the valves were previously recessed during another valve job 9 years ago, my valve installed height was increased and this raised the operating positions of my rocker arms. My new camshaft selection dictates using the stock valve install height. The only solutions to this valve install height problem are to either replace the valve seats, or install oversized valves. I opted for the latter.





Cleaning Out Crankshaft Sludge Traps
The importance of properly cleaning out the sludge traps in a crankshaft goes without saying. John Edwards @ Costa Mesa R&D Automotive Machine Shop explains how its done on a Fiat crankshaft. (949) 631-6376 Don't forget to 'Click' and SUBSCRIBE!





Chevy 292 Piston Compression Height Reduction
Watch as John Edwards @ Costa Mesa R&D Automotive Machine Shop reduces the compression height on a Chevy 366 piston that he is installing into a Chevy 292 straight-6 for a land speed engine he is building. (949) 631-6376 Don't forget to 'Click' and SUBSCRIBE.





Cylinder Head 105 - Valve Job Basics
Valves not sealing? Valves not bent? This is how you fix that problem. In this video I outline the basic valve job procedure. Cleaning the valves, cleaning the seats, cleaning the combustion chamber and lapping the valves in to make a better seal. Here I cover the process start-to-finish. It's the same exact process for pretty much all non-rotary combustion engines. It takes patience and perseverance to do this job, but anyone can do it. Reference your service manual for measurements and service limits. Everything else that's not in your service manual is in this video. I apologize for not having broken busted crap to work with in this video. It's more beneficial to all of you when bad fortune falls on me because it gets well documented, and many people watching these videos are looking for answers. If you have bent valves, you will discover it quickly once you chuck one up in the drill. You'll see the face of the valve wobble around while it spins. You'll see evidence of this damage on the valve seat. If it's bad, you may see damage on the valve guides in the form of cracks or missing pieces where the valve guides protrude through the head ports. Give all that stuff a good visual inspection. ...and if you doubt yourself, never hesitate to get a second opinion or consult a machine shop. They will have access to expensive tools that you wont find in your average gearhead's garage.





O-Ringing Honda Cylinder Head
Ever wonder how to o-ring a cylinder head? Watch as John Edwards @ Costa Mesa R&D Automotive Machine Shop shows you how it done. (949) 631-6376 Don't forget to 'Click' and SUBSCRIBE!





Cylinder Head 109 - Oil Port Mod
This is a continuation of the deck tech video, but instead of focusing on the deck, this focuses on the oil system and modifications that are necessary if you've had the head resurfaced a couple of times. There are other benefits that can be gained for cars that have no block oil squirters and deleted balance shafts. There are varying degrees of this mod that can be performed for a variety of different configurations, so do your research regarding what you'd need in order to determine how deep you should cut it. Most of the data will be based off of your baseline oil pressure both in the head and in the block. If the block is high, or the head is low in relation to where it should be, then you can benefit from this modification. The most obvious sign of inadequate oil flow would be noisy lifters. Revisit the Deck Tech 103 video for further clarification on casting variances, ARP head studs, machining tolerances, and what all the other holes do.





Opel Cylinder Head Resurface and O Ringing
This Opel Kadett cylinder hewad was brought into Costa Mesa R&D Automotive Machine Shop for resurfacing and O-ringing, watch as John Edwards guides you thru the process. (949) 631-6376 Don't forget to 'Click' and SUBSCRIBE!





Car & Driver look back on the Corvair





Cylinder Head 204 - Porting & Polishing
This is a first-generation 1992 1.6L Hyundai Elantra small-combustion-chamber head. Thats what it is. It's a J1 engine's cylinder head. In Cylinder Head 106 I talked about the mainstream porting theories as they are discussed. We looked at a cylinder head that I have thousands of dollars of professional work performed on, and a bone-stock second-generation head that I didn't port. In this video I just might do something you haven't seen done before. For some, that may be uncomfortable. The port and polish job I perform here is what I think will work best for my current build. This is not an extreme killer port job. What will be different here is where port textures are concerned, I will be following the advice of a reputable source that will remain un-named. You're free to port yours differently than I do in this video, and I give you that out, around the 20 minute marker. The Hyundai is far from being an ultimate-performance build. It's a $400 box of scraps with nothing but time invested. It's perfect for this video. My finished product WILL be an improvement over what I had. I don't yet have access to a flow bench. I still have an achievement to un-lock. As far as you should be concerned with the techniques I employ... without flow numbers there is no evidence of what this will do, but we will gather lots of info from dynp sessions and drag strip time slips. If I could test it on a flow bench, I would. There are MANY, and when I say many, I mean thousands of flame war mongering pirates floating around on rough seas with a hair trigger cannon finger itching to fire if you port a head any differently than what the herd mentality says to do while porting a cylinder head. I cover the herd mentality because it has merit. It's been tested. Tried and true. But I don't follow it to the letter of the law. I'm definitely not here to de-bunk it. I would port a cylinder head differently for each build based on how that engine was used. There's an extremely valid reason why relating to air speed. It's not the texture of a port that maximizes the effect of fuel atomization, but the velocity of the air running through an x or y sized valve. The driving factor in this is the piston speed. I'm not going to give you the technical information, but will refer you to information about the Lovell factor. There's a better description of this in the links below, and even a calculator to help you find your engine's sweet spot. Why the Lovell factor is important: https://www.highpowermedia.com/blog/3346/the-effect-of-valve-size Lovell gas factor calculator: http://www.rbracing-rsr.com/lovellgascalc.html Only people who have flow testing equipment know for sure what really works and have the capability to produce a perfectly-matched port job for the ultimate performance build. Those guys know the definition of ultimate, and THEY are floating below the water Aegis-class submarines ready to blow your comment up if you don't know what you're talking about. They don't care if you're an armchair mechanic or a herd of pirates. I will say, they're zoomed in pretty close on me right now, and I'm expecting to take a few hits. My work will be tested based on Dyno and drag strip performance, and the results will be posted here. Fortunately, those kinds of videos are a WHOLE LOT EASIER TO MAKE!!!





Cylinder Head 106 - Casting & Porting Tech
Description. No really guys, what can I type here? I just went on for 18 minutes without shutting up. I apologize for deviating from my normal format, but we're almost there... ...when I port a head, there will be no voiceover, and it will be a 200-series video.





324 Oldsmobile Cracked Cylinder Head Repair
This Oldsmobile 324 Rocket cylinder head has a crack, watch John Edwards as he repairs is at Costa Mesa R&D Automotive Machine. (949) 631-6376 Be sure to "Click" and SUBSCRIBE.





380 horsepower Corvair engine
A short look at the 2 HP per cubic inch normally aspirated Corvair





Which car is faster? Which Car is Faster?




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