keith black pistons review
Keith Black also offers KB Signature Series performance pistons for Ford, Chrysler and GM muscle car applications. Thus, they carry and manufacture Keith Black pistons. Do you think either brand others a distinct advantage or disadvantage, in terms of reliabilty and performance. Bought a set of KB pistons(9.2 to 1) for my build and curious if anyone knows what the 2 extra rings that came with the set are for. Discussion Starter • #1 • Apr 27, 2007. The Keith Black pistons unique thermal conductivity, ring location and varied end use requires special attention be paid to top ring end gap. These pistons mostly contain high silicon aluminum alloy. I trust his knowledge just wanting to see if anyone esle has had the same problem. KB pistons make more HP by reflecting heat energy back into the combustion process and, as a result, the top ring runs hotter and requires additional end clearance. Keith Black Performance Pistons. I have cast 10:25 to 1 flat tops now. Are Keith Black Hypereutectic Silv-O-Lite pistons any good etc.? For theirs, they recommend a much wider top ring gap. Since 1922, United Engine and Machine have been building a reputation for their pistons of the utmost quality. Made from hypereutectic 390 aluminum alloy, Keith Black Signature Series pistons are CNC-machined for accuracy and are heat-treated with 16 to 18 percent silicon. Top. If you had a good one you praise, a bad one you bash. They have several different stroker build options/combos listed, from mild to wild. 319 Posts . Or can anybody suggest a brand. The pistons are Keith Black hypereutectic 10.5:1 cr. I stumbled across a very informative 4.0 stroker page from some Jeep guys, and you no longer have to use the 258 rods. This makes them not only light weight but extremely durable. HP fan Member Posts: 91 … If you don't use the wider top ring gap, they ring ends can butt at the top of the cylinder (hottest part) and stick. Keith Black makes a high end hyper piston. Had oil consumptions problems on pretty new 408sbc. When rod tries to pull the piston back down, it chunks off the top ring land. Keith Black Silvolite and Federal Mogul/Speed Pro are the main players in the hypereutectic piston market, and we have used both brands in … I've never seen a problem with them. I'm in the market for pistons. Now, don't misunderstand, Keith Black hypers are good pistons, I just personally don't like that big gap required for their top ring. Discussion Starter • #1 • Nov 6, 2004. 115 Posts . You can now use the stock 4.0 rods with the Keith Black "ICON" forged pistons, because of their wrist pin location. I use Speed Pro (Federal Mogul owned) hypereutectic pistons which use a normal top ring gap. I think it truly depends on experience. What are your thoughts on Speed Pro vs KB hypereutectic pistons for street performance use, say around 450 to 475 hp range. Some people say they are fine if you install the rings properly. My machine shop guy said this is a common problem with these pistons, and KB blaims it on tight ring gaps. I hear bad things about Keith Black Hypereutectic Pistons. Ive had some people say speed pros arent the best.
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