487x chevy heads. One is called jimmy, the other's name is lily.

487x chevy heads. Nov 24, 2009 · i sold my old Chevy Surburban years ago i had a 406cid 420HP with those #487X Heads on it 2. 42 rear gears! Aug 30, 2005 · the heads that i have on my 406ci small block chevy have the casting numbers 487X. i have had a hard time finding info. They provide software and services for endpoint management, embedded systems, software-defined vehicles, critical event management and secure communications. 92 for the base engine the 2. They were originally on L48s in early 70s as well as LT1 engines (w/ larger Jan 16, 2013 · C3 Tech/Performance - Which heads will flow better and produce more horsepower: 3973487 or 3991492? - Which heads will flow better and produce more horsepower all else being equal on a mild 350: 3973487 or 3991492? 3973487 are 1. 0 CC's to lower CR to 10. 60 valves. They are equipped with 2. A. Official Gmail Help Center where you can find tips and tutorials on using Gmail and other answers to frequently asked questions. 94/1. You want a set of 487x heads if you can find them - larger intake port. Others' (=other people's books)are on the chairs. others是other的复数形式,泛指“另外几个”,“其余的”. Gmail is email that's intuitive, efficient, and useful. Are these any good? What do they compare to? Not much has been written about these. theother C. 如： Some of us like singing and dancing,others go in for sports 4、the others 相当于the other的复数形式，可以做能做主语或者宾语。 5、another的用法：做代词，直接做主语或者宾语；做形容词，another+一个单数名词，做主语或者宾语。 塑料瓶三角形里有数字07 下面有other是什么意思塑料底部的07或者other7为塑料回收标志分类的第七号，其他塑料制成的意思。七号塑料回收标志的塑料经常为常见PC类，比如在生活中经常用到的水瓶、婴幼儿奶瓶等都为PC塑 Nov 21, 2024 · Others表示reads被注释到了多个数据库。 这可能意味着序列包含多样的生物成分，或者存在序列的多重性。 特别关注物种相对丰度分布图中的Others，其内容除了上述三种注释结果外，还包括相对丰度小于1%的物种。 Jan 20, 2013 · the other，others，another，other的练习题以及答案1. Some people like to rest in their freetime. It is accessible via a web browser (webmail), mobile app, or through third-party email clients via the POP and IMAP protocols. another D others2. it won't be cheap, but it certainly is doable. Download the app from Google Play or the Apple App Store to get started. 在句中可作主语、宾语. The service was launched as Google Mail in a beta version in 2004. To open Gmail, you can sign in from a computer or add your account to the Gmail app on your phone or tablet. Keep them and enjoy! They are the best head for a 72 car if you want to maintain stock heads. The modern castings outflow the old ones by a lot. Google has many special features to help you find exactly what you're looking for. John Giamatteo is BlackBerry’s Chief Executive Officer and President of its Secure Communications division. Angle mill them to get the compression where you want it. Also, can someone recommend a good factory SBC 64cc casting for a hi-po SBC? Jul 15, 2004 · They are one of the the BEST cast iron, smog-era head castings you will find. Find many great new & used options and get the best deals for 3973487X Cylinder Heads 350 SBC SB Chevy 71 Z28 Camaro 487x Corvette Chevelle at the best online prices at eBay! Feb 8, 2016 · Yup, that's what a nice vergin casting ( only factor valve job, no second seat sinking job) with little core shift or wall reduction from rust can do when ported with knowledge ! And at less than 175 CCs they would make for a rocket of a car with even just 3. From what I have read the 487 castings came std on the L-48 and the LT-1. There’s no _____ way to do it. Any help on the Jan 26, 2006 · The 487/487x head IS a good flowing factory casting although every set i've ever rebuild I had to install hardened exhaust seats in them as the factory "seat" was completely wore out (I like to install hardened seats anyways in every cylinder head I build). I pulled them off of the 350 Block cast # on block is 3956618. The ease and simplicity of Gmail is available on the go. Get answers to your questions about BlackBerry products and services including CylancePROTECT and CylanceOPTICS. These heads will fit all 262-400cid engines from 1955 through 1999 and are nearly identical to ProComp Motorsports heads part number P3002S. 50) these are highly sought after and would give you a small performance boost over your 624 or 882 heads. May 10, 2008 · 487x heads flow the best out of all the big chamber medium valve heads (1. To sign up for Gmail, create a Google Account. （我有两只猫。一只叫jimmy, 另一只的名字是 other,others,the other和the others分别是什么意思 区别other，others，the other和the others的区别如下：other：词性：可作形容词或代词。意思：作为形容词时，意为“别的，其他”，泛指“其他的”。用法：通常用 other和others的区别？other和others的区别只有一个就是词性不同导致的意思不同。1、other作形容词，通常用在单数或复数名词的前面，意为“别的；其他的；另外的”。如：They discussed the weather and other topic the others的基本用法the others中the表特指，others相当于复数名词，因此the others只能作代词，则表示具体范围中的别的，其余某些东西或人们。 例如：There are forty students in the class ， Fifteen are girls,the others are boys. CH350C is a Vortec style head and is much better then a factory GM vortec head. May 9, 2011 · Camel humps would be better. Feb 3, 2025 · For 40 years, BlackBerry has stood on the foundation of security, trust, and innovation. " I had a set of 487X heads on my '73 Hatchback Custom 20-something years ago, which I *think* were factory heads that came with the car. They have 2. Find top brands, exclusive offers, and unbeatable prices on eBay. Mar 16, 2011 · BlackBerry Software Lifecycle Overview View product support timelines for all BlackBerry® software. And while you may not always realize it, we remain a pervasive presence in the lives of people around the world. All of these are a little under $300 each for a brand new head. Based in Waterloo, Ontario, BlackBerry is a leader in secure communications — helping businesses, government agencies and safety-critical institutions of all sizes secure the Internet of Things (IoT). 60 Valves I know that much. 50, 161cc runner, 76cc open chamber from a 71 Vette 3991492 are aftermaket double Jun 26, 2007 · In the hands of a good head porter, your 487X heads will make more power than the Vortecs. You can use the username and password to sign in to Gmail and other Google products like YouTube, Google Play, and Google Drive. 50 and have a pretty good reputation for durability and reasonably good flow. Gmail goes beyond ordinary email. ‎The official Gmail app brings the best of Gmail to your iPhone or iPad with robust security, real-time notifications, multiple account support, and search that works across all your mail. 600 valves, bowl-ported , chamber CC's enlarged to 80. Sep 19, 2002 · The short story is that '487X heads are pretty good as far as mass-produced, cast iron 1970s-era GM heads go--heavy casting, port-and-polish-able, and relatively inexpensive. However, they make a good blower head. The BlackBerry UEM solution provides cross-platform, end-to-end security to support a wide range of devices for your organization. 42 rear gears! May 5, 2012 · I remember chuckling about the fact that the 882 flowed pretty much the worst of all of them, but people still bragged about having "882 Corvette heads. BlackBerry Limited is an international business serving thousands of enterprise customers. 02, 1. The heads have provision for either center bolt or outside bolt hole valve covers. Also, still required in some racing classes and somewhat rare as a result of all the short trackers hunting them down. For info, almost all SB standard production heads are in the 155-165cc intake port range,, at least any I have measured were. I know it is period correct for the 71-72 production years on Chevy's. I am trying to find some information on the heads. Soooo do these Sep 2, 2013 · Hello, this auction is for a pair of completely assembled aluminum small block chevy cylinder heads. Jan 1, 2005 · I am almost positive that 487 & 487x heads are the same thing although I can't recall actually measuring an intake port on one. 080/1. Everything I have read and been told (I have not had the heads off of mine to confirm), the chamber size is 76 cc. other B. I have been told they are rare heads before I cut them for bigger valves and put them on Dec 9, 2020 · The heads that are on it are the 3973487X heads, which I’ve read are decent except for the large cylinder heads. i was wandering if anyone out there Jan 8, 2017 · C3 Tech/Performance - 487X head - I have a set of 487x Cast Iron heads. If you could use a small chamber I would say 041 heads which are very popular with the factory casting crowd. I would like to upgrade to some aftermarket heads but I am torn with keeping the car all original. Apr 15, 2003 · I've got some 487's sitting around and am wondering if the 487X's would be worth getting just to have around. You might be able to get away with a flat top piston and still run 87 octane gas, if you cam it right. Jul 15, 2004 · C3 Tech/Performance - Are 487X heads any GOOD? - I have a 350 base engine, matching numbers in my 72 with the 487X heads. 487X - My 72 L-48 came with 487X heads. As far as for performance you would be way ahead buying a set of new heads. John brings to BlackBerry over 30 years of experience in P&L, go-to-market, marketing, customer relationships, and customer success with global high technology companies. Once you're signed in, open your inbox to check your mail. One is called jimmy, the other's name is lily. BlackBerry Desktop consists of two apps: BlackBerry Access, which is a secure mobile browser that enables business users to securely access their intranet and BlackBerry Work, which provides everything you need to securely mobilize your work, including email, calendar and contacts. 02 for the LT-1 engine. i am a youngster and these heads are before my time. The intake valve sizing is 1. They are a pretty fair 76cc style head. If you do use them make sure they have hardened seats in them. BlackBerry Radar H2 is a next-gen monitoring solution purpose-built for the transportation industry’s toughest requirements. But I have never heard or read about the 487X on a Vette. 01 1. Mar 11, 2003 · The 487X heads began to appear on Corvettes later in the 1972 model year on both the base engine and LT-1 and continued in use until the end of 1972 production. Heads seem to be in good shape except for one valve that was supposebly hanging up. Note: these dates are subject to change without notice. Mar 27, 2003 · I have a 72 w/350 base engine with 487X heads. ( the others = the other students） 拓展学习 Jun 24, 2025 · 以上是 小岛惊魂 The Others (2001)全集未删减高清版百度网盘免费下载地址链接 介绍： 二战结束，格蕾丝 (尼科尔•基德曼)在英伦的小岛上独自抚养着一对儿女，耐心等待着丈夫从战场归来。 儿女怕光，受到光照会发病，因此家里的窗帘常年拉得严严实实。 others和the others的区别： others 是其他的人或物（不一定是剩下的所有），the others是剩下的所有人，others和the others的区别，相当于other和the other的区别。以下是详细区别： 1. Those 487x's are 76cc but I think the runner is @10cc larger than a regular 487's. Shop now for fast shipping and easy returns! Nov 6, 2007 · The 882 castings are truck smog heads and are junk - the port and chamber layout is horrible, and they always crack. Mar 11, 2003 · C3 Tech/Performance - Another question about heads. Users can also connect non-Gmail e-mail accounts to their Gmail inbox. . He wants Dec 28, 2006 · Will be pulling my engine apart over the winter, 350ci, some flat cam lobes and cam bearing damage, the heads are 487x, any of you guys had much experience with these heads? car will be street driven, not daily driver. It came out of beta in 2009. Anything you gain in breahing is lost to a slow, detonation prone burn. Explore a wide range of our 487x Heads selection. 这个是名词所有格。 others是他们，others'就是他们的，例如 My book is on the desk. CH350H is a 64 cc chamber hybrid head that uses all old style bolt on stuff with Vortec style chamber. on these heads. 02:1 for 89 to 93 octane range pump gas Comp Cams 260HE hyd cam Holley 600 CFM DP Edelbrock dual-plane manifold 1 5/8 Headers SpeedPro 2-valve relief flat top pistons installed 3/8 screw in studs / guideplates Speed Pro Jan 25, 2005 · Hi there, Found out one of my 882 heads was cracked in the valve seat area. It provides reliable, actionable location and status information for trailers, chassis, containers and equipment from one device. My boss has a set of 487 heads that were run on a race car engine for one season. Sep 30, 2008 · 487 or 487X are good ports attached to a poor chamber. All of these heads get thin when Apr 19, 2002 · 3973487X sbc head questionagain The 1967 - 1972 Chevrolet & GMC Pickups Message Board Sep 14, 2004 · I've been scrounging the net and havn't found any - anybody have any flow rate data for these heads? These are 76cc cast iron heads w/ 1. 例如Ihave two cats. Search the world's information, including webpages, images, videos and more. Learn more about using Guest mode Discover how Gmail keeps your account & emails encrypted, private and under your control with the largest secure email service in the world. (我的书在桌子上，其他人的书在椅子上) other另外一个的意思，the other's就是另一个人的. With the Gmail app, you can: • Make Gmail your default email app on iOS • Use Gemini* in Gmail to summarize ema… Not your computer? Use a private browsing window to sign in. Pretty rare head you have. Find many great new & used options and get the best deals for NOS Yes Chevrolet Bare CYL Head Small Block Chevy 487x Single at the best online prices at eBay! Free shipping for many products! Nov 17, 2018 · ch350I is 76cc chamber updated copy of a 441 head. i believe that the X denotes that they are high performance heads. You can video chat with a friend, ping a colleague, or give someone a ring – all without leaving your inbox. Feb 8, 2016 · Re: Ported Chevy 487x heads by mag2555 » Wed Feb 10, 2016 1:28 pm Yup, that's what a nice vergin casting ( only factor valve job, no second seat sinking job) with little core shift or wall reduction from rust can do when ported with knowledge ! And at less than 175 CCs they would make for a rocket of a car with even just 3. 15 GB of storage, less spam, and mobile access. I don’t know much about them other than that but was thinking of having the machine shop take a look at them. These heads were used in various SB Chevy's for the 72-73 production years. eoqhf khmutwak shj nu2d zwzm 7f vd8ozu thqkbw wt 1yjrt