There are NO Volk Racing wheels that are Cast, Flow Formed etc. The TE37 and the TE37 SL are both 100% Mold forged. This is straight from RAYS in an email I sent them regarding this post – Pinhead, and to the m3post community members. TE37SL, I just went straight to the source, Rays Engineering to get you the final say on their products. Guys due to all this misinformed technical details going around about the whole TE37 vs. Stick with a known brand and you cant go wrong forged, cast or flow form forged, its all good stuff. China wheel manufactures will tell you otherwise because they have to sell wheels, but its junk and will be junk forever. Thee testing process is a big part of the cost and the quality and certification they receive proves it. And from that background, I will tell you the price you pay for a brand of wheel like BBS and Rays, is well worth it for the certifications they have. A lot of this information is off the top of my head so Im not 100% about them but Im pretty sure. I only know these information because my family is in the business of manufacturing forging press for many of the worlds top wheel manufactures. The only thing done here is the CAD design usually via Solidworks or AutoCAD, then finished via CNC'ing to the desired shape/offset/concave. Many manufactures claim that their wheels are "made in USA" will resort to this technique while anything that gives the wheel its strength and quality was done in China. They are mass produced in China, then shipped to the US and then CNC machined here. The solid piece of billet is usually forged, then it is CNC to the wheel shape. The wheels that are CNC from a solid piece of aluminum alloy are usually flow form forged wheels. Although at the end of the day, the TE37SL is still a great wheel. It cost 1/4 the cost to manufacture yet they sell it for 80% of the price and put some fancy words and diagrams to show what is new on the wheel, and people buy that shit up like its the best thing since sliced bread. TE37SL will be cast into its designated shape and size and then forged with 2000 ton forge as one of the final steps to give a cast wheel extra strength, which is why its so much cheaper to manufacture. Truck wheels are usually 8-12k ton forging. There are also many other weighted forging this is only one way but its a more common way. This is why true forged wheels are so expensive because it is time consuming, but only top manufactures produces their premium wheels like this ie. Similar technique used to make Samurai swords so strong, pressure over time, repeate the process. They cast the wheels to its initial shape, then it is forged to give it strength, and then finally depending on which company and wheel, some final CNC machining to finish the wheel.įor example I know most 8000ton forged wheels like TE37, are not actually pressed in a forging press of 8000 ton but rather 2000 ton over time, depending how many instance in this time 4, equating to 8000 ton forging. Flow form forging is just like it sounds. How about those wheels that are cut from a solid piece of Aluminum Alloy? (Or is that just a myth?) ^ That's some great information, but I can't understand how 90% casting and 10% forging works.Ĭasting is essentially pouring hot metal into a moldįorging involves hammering/pressure/forces Like you said there are many great cast wheels, but I think I will stick to TE37 instead of the SL version I have heard of flow form before, but it was flow form cast which BBS mentioned in the description for some of their wheels.I suppose flow form forge and flow form cast are somewhat similar techniques.(and probably rotary forge too) Stick with BBS/Rays(Volks)/Enkei/OZ and you are guaranteed a quality wheel. I'd rather have a 100% cast BBS wheel than a forged wheel from China or MHT. Many great wheels are cast and are very strong. Not to say cast wheels are not good, they are great. In the end, the TE37SL is 90% a cast wheel. Wheel for wheel, the original TEs are still just strong and lighter. Lightness is not due to the new technique, the SLs are just a much lighter wheel and weight saved by areas of the backpad being CNC'd away and also part of the spoke. Most of those shit wheels I dont want to name names called their wheels "forged" are flow form forged.īoth are very strong but forging does have its benefits as the overall quality is much more guaranteed. Many "forging" companies use flow form forging and call it forging but its not the same, but technically its forging. Traditional forging is an expensive and time costly process therefore the cost is higher.įlow form forging is casting 90% of the wheel and forging the last 10%, production cost is around 1/4 the cost of forging.
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