How small of a pulley you can use on your BD-series blower depends on your shift point, whether you have an automatic or a manual transmission, and on the size of your crankshaft pulley. Pulley size effect boost? × (disclaimer: do NOT overtighten, you will shred it!). I think lol will look later . The included V3 SCi supercharger comes with a 3.60-inch pulley to deliver 6 to 8 psi of boost. Powered by Invision Community, http://my350z.com/forum/forced-induction/270770-vortech-faq-read-this-before-asking-vortech-questions.html. Watch the jack shaft speeds at less than a 2.87 as they exceed manufactures spec at top rpm, Ok thanks bros lol. Keep in mind by default the Vortech kit also has a 3.6 pulley vs Paxton 3.8. If you add a powerpipe you will see 10 lbs with the stock pulley. This is a discussion on pulley size and max boost within the Forced Induction forums, part of the LSx Technical Help Section category; i have a 00 z28 with a centrifugal vortech sc running about 5 lbs of boost. I need the boost to stay at 10 and not creep up to 12. so the 93 inch would that be the outer size or iner size for a Gen 1 v2sc ? That was just running an after market ECU with a bad a map - was really quick ..................................................... until it destroyed itself! The stock crank pulley for the 6.1 is 6.44. You will probably snap, shred and a pop a few belts before you get it right. I thought under drive pulleys loose boost and overdrive pulleys gain boost.. mine a 2004, If you haven't already, read this thread - http://my350z.com/forum/forced-induction/270770-vortech-faq-read-this-before-asking-vortech-questions.html. V3 Vortech Mustang (05-10) - Supercharger Pulley & MAF Upgrade Fits 2005 to 2009 Mustang GT Once you have upgraded to our H.O. Display as a link instead, × This is with the stock size pulley. check out the. Sent from my MHA-L09 using Tapatalk willing to do domestic/commercial electrical work for car parts/panel work. I ran a 3.25" with an IC and saw 12lbs (IC cost me 2 lbs) of boost for 60,000 miles on my stock bottom engine. Each pulley is built to SAE standards. Our 6-rib supercharger pulleys are made from a single 6064 alloy aluminum billet, and turned to an accuracy within .001 of an inch. I should add, I'm planning on using the stock crank pulley… I certainly did. Clear editor. With your D1X I would need to run about a 3.4 supercharger pulley to get the boost level up on my engine.3.4 is one of the smallest for my head unit and I will need to put a lot of tension on the belt so it doesn't slip.that should make around 10-12 psi of max boost due to the size … Jackshaft / Cog / Impellor / Avg Boost 3.250" / 32 tooth = 44350 rpm / 6.74 psi (Stock Vortech setup) 3.250" / 28 tooth = 50686 rpm / 8.77 psi (Best ET setup) Just wanting to know what size blower pulley ill need to get roughly 9psi. Yes, the Vortech V3 offered an impressive combination of power potential, reliability, and ease of installation. Also, I’ve got a sheet metal intake to use on a motor I’m getting built. Mgt racing fitted my vortech. The Vortech V-2, Maverick 250 inline six shifts @ 4500 and close to redline @ 5000 rpm . About 1-2psi increase for each step down. Find Vortech Supercharger Pulleys and get Free Shipping on Orders Over $99 at Summit Racing! If you have an account, sign in now to post with your account. Vortech 6-Rib Supercharger Pulleys are machined from 6061 T-6, hard anodized aluminum with the proper profile to maximize surface contact area for precise fit. I'm not sure what size to get gen1 or gen2 I think mine Is a 3 pulley setup so is that gen1 ? Vortech 3.12, RC 550cc, Borla TD cat back with Magnaflow X-pipe/muffler, test pipes, Megan headers, Motordyne Iso thermal 5/16 plenum spacer, Utec, Fidanza flywheel, ACT clutch. Hi peeps thanks for the info my vortech is the V2Sc trim full system nontuner kit .   Your link has been automatically embedded. In terms of boost, the kit was supplied with a six-rib, 3.33-inch blower pulley and a 6.00-inch crank pulley. Anyone know if the 3 pulley bracket setup is gen1 ? Max Boost - 14psi Max Flow - 750cfm Max HP - 525HP (Crank Horsepower) Peak Efficiency - 71% Impeller Speeds vs. These Vortech replacement idler pulley assemblies are designed to fit your Vortec supercharger without any modifications. According to Vortech support the new blower (V3-H67B) has a max impeller speed of 52,000rpm. To adjust boost levels on Vortec supercharged VQ35's, the simplest way to do so is by swapping to a different size pulley. They are CNC-machined for maximum surface contact and are available in several styles to suit your application needs. View Profile × I still like the fact that the V3 SI makes more boost sooner than the T trim. Is it the Serpentine-6 Groove, 2.87 in, Also what size belt is needed for 2:87 / 3:12. We installed the Vortech V3 onto the awaiting Windsor using a 3.625-inch blower pulley. I replaced my under drive pulley on my 5.7 with the slp25% UD pulley. Not sure what sizes will do for boost. Hi. Paste as plain text instead, × 1998 S10 ZR2, 2" BL and 32" tires Discussion Starter • #1 • Mar 2, 2009. mine must only be 79" as its the v3 and must be a different setup. Vortec27, March 4, 2013 in Forced Induction. As I'm wanting a bit more boost I am thinking of change my pulley size to 3:12 or 2:87 what I need to know is on the v2 sc system is it the tooth cog one I have to change for more boost ? 1,075 Posts . Go with the vortech V3 SI. This info is from the "Vortech FAQs" thread on "my350.com". Vortech and Paxton Superchargers 10-Rib 3.50" Supercharger Drive Pulley, 1993-2000 V-10 Dodge Truck/SUV Regular price: $154.99 Sale price: $131.74 Engine Building. Boost levels depend on a number of variables, the cubic inch displacement of the engine, the crank pulley size, the supercharger and/or crankshaft pulley size, the flow capabilities of the intake manifold, heads, fuel systems, etc. Basically the boost is creeping up too high and I don't think it's getting enough fuel with the stock injectors or not enough fuel pressure for 11-12 psi. I have a 2.87 " pulley on a V-2 and interested in spinning it up with a 2.5" for more boost at lower engine rpm (@6" crank pulley) . Right now I’ve got the 6.66 crank and 3.33 SC pulley. Please correct me if I am wrong cos that's how I have always understood it... Impeller Speed Calculator | Vortech Superchargers, ===> Click HERE to register for the Annual Spring LxFestival, DVMMC - Delaware Valley Modern Mopar Club, The Good, The Bad & The Ugly: VENDOR PERFORMANCE REVIEWS, General LX Discussion (1st Gen - 2005 to 2010), General LX Discussion (2nd Gen - 2011 to 2014), Charger Discussion (1st Gen - 2006 to 2010), Charger Discussion (2nd Gen - 2011 to 2014), 300 General Discussion (1st Gen - 2005 to 2010), 300 General Discussion (2nd Gen - 2011 to 2014), 300 General Discussion (3rd Gen - 2015 + ), The Detroit Report (ok...Asia and Europe too), Lx Forums | Dodge Charger Challenger Magnum | SRT Hellcat | SRT8 | Chrysler 300 Forum, If this is your first visit, be sure to Charge Cooled package and have enjoyed the 10 psi of boost it offers you may consider even a bit more power. If my question makes sense. According to the company i ordered mine from you will need a 79inch 6 rib gates belt for the 3.12 or the 2.87 pulleys. My Wishlist. It all about what way you route the belt. It also make 1.5 psi more boost than the V1 T trim. Ps any links welcome Thanks vortech 06Charger R/T. You can change the toothed pulley setup but most don't. They feature a durable bracket and idler pulley that can handle the big boost of today's superchargers. My Account. I'm running the 3.12" pulley. Boost VS pulley size Hi, Can someone please help me calculate what sized pulley is needed on a vortech v9-f blower on a 304? I like it tight though... REAL tight! So I'm looking at a vortech or procharger because I got bit by the racing bug. Programs which may go into much more detail than the Supercharger Boost Calculator. Youll also need to buy a blower pulley (the Vortech rep can help you decide which size works for your application) and the belt to go with it. Engine is stock apart from exhaust y- pipe & sport cats also about to order 5/16 space lol, Hi chubs what year is you z ? Yeah it all depends really.   You cannot paste images directly. Dropdown trigger. Unlike poorly-made pulleys that have straight-cut belt vees - that cause belt slippage - ours are properly V-Cut for maximum belt contact! ISO 9001:2008+ AS9100C CERTIFIED My Wishlist; Sign In or Create an account Shopping Cart 0 Copyright 2018 ® 350z-UK.com impeller rpm: with current 2.87" = @ 3400 rpm with 2.5" = @ 3900 rpm have fun #ad Just wondering what everyone is using when it comes to pulley size. This means that the 2.87 pulley overspins the blower by only 166rpm when the engine is at 7,400rpm. It makes 3 more pounds of boost for same size pulley than the V2 S trim. You can post now and register later. ... Vortech V-2 SQ SuperCharger kit for the 4.3L, 3.125" pulley. I use a few suppliers for Vortech parts and local car parts place can get the Gates belts, you could drop Tarmac a PM he may be able to help, Also used these guys but delivery will take a while, http://www.superchargersonline.com/index.php?main_page=index&cPath=510_1071_1073_1305_1310, That depends on your setup, how many pulleys you have and Gen1 or Gen2 -, http://www.superchargersonline.com/index.php?main_page=product_info&cPath=510_1153_1316&products_id=5012, http://www.superchargersonline.com/index.php?main_page=product_info&cPath=510_1153_1316&products_id=5011, Whatever belt you run on with the 3.33 you will need 0.5" shorter for the 2.87 pully (I Think thats correct), Depends how far you push it, what supporting Mods and who / how it is mapped in, last year I bought a 350z with a blown engine, when we pulled the VQ lump out we found 5 smashed pistons. Seems the stock belt is 120" (Vortech part #: 2A046-120 which is Gates part #: k061203). Want to up the boost on my 5ltr soon, currently running a 3.25" blower pulley and thats running roughly 6-7psi. Can anyone recommend a 6-rib belt to be used in a Vortech/Paxton setup if stepping down from a 3.4" pulley (stock size) to a 3.125" pulley? Pulley Size: This package includes a 6 rib 12 psi pulley and Mafia Maf Extender. The gains will vary from car to car (engine to engine) somewhat I'd imagine but from what I gather the one I'm running will gain around 25whp over the standard 3.33" pulley. If you have a Vortech supercharger system and want to increase the boost, this is the pulley you need. "Boost It Upgrade" for Brenspeed H.O.   Your previous content has been restored. Those BD (Belt Drive) series superchargers like to run the impellers at 36,000 RPM internally, and will accept intermittent peaks of 40,000 RPM. Fuel Economy Calculator v1.1 Compression Ratio Calculator Plus v2.3: Fuel Injector Calculator v1.1 Engine Log Book v1.1: Engine Simulation. No clue how it relates to the Novi.   Pasted as rich text. Order online or call us (805) 247 0226. I would do that. Now yes ( V2 T trim ) will make more volume at top end (higher blower rpm). By The blower manufacturer should be able to provide the proper pulley size required. But from what I've been reading on belt sizes for the 3:12 pulley some say 93.5" and others say 93" is there anyone that can confirm ? 05-07-2012, 01:17 PM #6. Anyone got any links / part numbers for the pulley that's needed ? This was teamed with the supplied 6-inch crank pulley, which produced a maximum boost pressure of 5.9 psi at our peak engine speed of 6,000 rpm. Engine Analyzer v3.4 With centrifugal systems (minus Procharger i-1) the head units build boost by progressively spinning faster until you let off the gas and the excess gets vented out of the system. The stock kit and pulley will give you 8 lbs. Here's what various pulley combos did for my V3 setup. Also are they safe to run on stock block ? No Mate it's the front ribbed pulley you change down to a 3.12 or 2.87. Is there a formula for calculating what size pulley will make what psi of boost? Hi all As Im wanting a bit more boost I am thinking of change my pulley size to 3:12 or 2:87 what I need to know is on the v2 sc system is it the tooth cog one I have to change for more boost ? Dynojet numbers 392whp 335tq Think I use a 2034mm GATES belt for 3:13 pulley size. I’m taking to ASP for a crank pulley to fit over an ATI, they’re asking what size but I’m not sure what size to get. Hi cubs who did you get it from post link plz ? From maximum speed to maximum boost we have it all laid out for you at Vortech Superchargers. All found out my setup is the first setup so it's gen1 . Car is VS 5ltr, vortech V2, intercooled, pretty basic, stock motor etc. Search. I know there is different sized crank pulleys and honestly i dont know what size mine is. Upload or insert images from URL. 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