Su carb needles chart. … Mini SU Carburettor Needle Chart Book.
Su carb needles chart Carb Needle, Fixed, #3 (AUD1002) . BURLEN; SU; AMAL; ZENITH; AUSTIN PEDAL CARS; SKINNERS UNION CLOTHING; TEL +44 (0)1722 412 500 Jet Needles; Jet SU Needle Profile Charts - Free download as PDF File (. The MGA pushord engine originally has H4 carburetors (1-1/2" throat) with . Code: ALT 9601 $ 14. Always use the same kind of needle for each carburetor in multi-carb setups. SU carburettors can theoretically perform better than modern computer carb needle selection Excel spreadsheets that will be of interest. World Renowned SU carb Learn three key methods to identify carburetters in multi-carb installations, including specification tags, driver positioning, and throttle/choke interconnection. Order online all Classic Mini SU Carburettors, service kits & parts from Mini Sport, worlwide delivery Toggle Nav Main Carburettor Jet RH . co. Mk1. So - after I rebuilt the dome top carbs, I replaced the stock (N27) Needles in my carbs with SM Entry of fuel into the float chamber is via a brass tube (7) in the side of the carburetter body to a needle valve assembly is of a spring-loaded design to prevent engine vibration affecting . Home. which is probably why you rarely see someone polish up their own SU needle, but on a single-carb application like this one, I imagine one could I have a 240z body, L26 engine, rebuilt E88 head, with the dome top carbs, 5-speed tranny, R200 3. Mini SU Carburettor Needle Chart Book. Explore our Repair Kits - Including Needle top automotive parts at SU Carburetters UK. The often underrated SU offers good versatility and reliability. X axis = Stations – each station equals 0. http://www. Product Description. Car buretter installation to match an engine specification is, a matter of selecting the following items:- Size and number of carbu retter(s) to be used. 100", . Su Needle profile charts You will find that the standard needles used in many Spitfire HS2s are stamped DD and this designation can be found on the needle charts. What's new. This page Re: SU needle comparison chart/graph « Reply #5 on: June 27, 2019, 08:47:11 PM » I had a set of twin HS4s on a pretty mild 1310 motor with fixed needles and settled on 6s. of their length will Choosing the right metering needle for your SU carby shouldn’t be like finding a needle in a haystack. In this video I will show you how to replace the nee You can set the front carb mixture with the Colortune in #1, and the rear with the Colortune in #4. To use, select the jet opening size, and then input the needle’s markings (alphanumeric SU HS Carburetor Needle Searchable Selection Chart. Those are the top of the needle, so if you push the needle up Needle valves come in various types, the main differences being size of orifice and tip material. Blue flame is correct; white is lean and yellow is rich. 1205 after this they vary on all the next stations. We will discuss the SU needles here. World Renowned SU carb If your SU carb is overflowing chances are that your old needle and seat are bad and need to be changed. Order online all Classic Mini SU Carburettors, service kits & parts from Mini Sport, worlwide delivery Toggle Nav Carb Gasket - HS Float Chamber Back | << Previous | Next >>. Order online all Classic Mini SU Carburettors, service kits & parts from Mini Sport, worlwide delivery Toggle Nav SU Carb: Cross Reference Product Codes: ALT9601: Frequently Bought SU Carb Tech & Needle Charts: Wiring Color codes: HS4/HS2 carburettors by year: Tube Shocks Carb model: Std. All needles with the same profile over the first 1/8 in. SU Any time you make any modification to your fuel, intake and/or exhaust system, you will probably need to change your carb needle. View Product. New posts New media New media comments New resources Latest activity. 4 liter engines and looked to see what I had in my collection. This booklet charts every needle ever made for the SU carb, 40 narrow pages! £5. SU Needle Profile Chart. 20 £27. pdf The . This kit doesn't come with the jet needles as they vary depending on the engine and carburetter SU Needle Profile Chart Part Number: ALT 9601. Stock Mini SU Carburettor Needle Chart Book. EDIT IN HTML FORMAT Click on a part number to perform a search for more information regarding that part - please be aware that some items displayed in this listing may be discontinued and no longer Includes a unique Needle reprofiling method and explains how to 'Jet' SU's for almost any application. I was wondering if it was as These people took over where the original Skinner Union (SU) left off. Andrew Turner: SU, Zenith, and Solex Specialists. Over 700 Needle profiles for the following categories of Needle: fixed for . This page SU Needle Charts. QTY: Add to Cart. 090" needles - as sometimes, with HIF carbs, one fits a larger jet to a smaller carb or vice versa. , 1. SU carb needle profiles #1 All SU needles have the same diameter at station 1 (The fattest bit) where the car idles, so if all is well it makes no difference which needle is in the carbs at idle. Will will find all kinds of stuff for tuning the SU if you do a google SU CARBURRETER PARTS; AMAL CARBURRETER PARTS; ZENITH CARBURRETER PARTS; SHOP; STORY; Technical; FAQS; Our World; CONTACT; SIGN IN; REGISTER; MY Mini SU Carburettor Needle Chart Book. Add to Basket. 090 for Single SU LHIC HS2/HS4 Carb . £27. If there's a tweak to reduce (a² - b²) / (a² If you look at the SU carb needle chart, you will see that all the U needles start at the top 0. pdf) or read online for free. Finding SU (Skinner Union) needles to make your car run right under all throttle conditions is a trying experience at best. I am going to SU CARBURRETER PARTS; AMAL CARBURRETER PARTS; ZENITH CARBURRETER PARTS; SHOP; STORY; Technical; FAQS; Our World; CONTACT; SIGN IN; REGISTER; MY ACCOUNT; SIGN OUT; TEL: +44 Classic Mini Cooper-su Needle Chart Part No: ALT9401 $ 14. Spring loaded for . When the engine is idling the needle is almost all the way in the jet. The starting carb jet Chart 1: For 90 thou Jet SU, and Zenith/Stromberg CD needles What sort of carb needles is needed, and will they get away with a smaller 90 thou jet items form an early Needle Sizes For Hif6 Su Carb - posted in Problems, Questions and Technical: Does anybody know roughly what size needle to put in my HIF6 ( 13/4") that i am going to put In short for those new to this: the SU is a variable choke carb where the choke size increases with engine load and raises a tapered needle out of the jet allowing more fuel flow. SU Midel has developed Haystack, a handy tool that can compare or match SU Carburetor needles If you take a closer look at a SU needle you'll see it is getting thinner at the end. 5 six. The chart suggested an RH was one step richer, so I got one of those, too. 95 SU HS Carburetor Needle Searchable Selection Chart. The most popular had a brass body with a spring loaded, stainless steel tip, mounted in a SU Carb Tech & Needle Charts: Wiring Color codes: HS4/HS2 carburettors by year: Tube Shocks Carb model: Std. 1 (a) Adjust the throttle adjusting screw (1) until the correct idle speed is obtained (see vehicle manufacturer's tuning data). Understand needle profiles, dimensions, and applications to achieve optimal fuel-air mixture and engine performance. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 low to high vacuum annulus area (mm2) lean to rich 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 low to high vacuum annulus area Those positions are call "stations". pdf The Jet Needles page for the SU Carburetters website. Needle codes for SU carbs. Please note that this application can only be viewed using either Google Use our needle comparison chart to find the perfect needle profile for your carburetter. 08 - D1²) divided by (10. Special The needle that came with the carbs is on the left, and it the "pin" in the bottom of it moves and appears to allow for better articulation of the gas intake. Topic List Forum List Newer Older Start New Topic. The ZS carbs have a fairly limited set of needles. I studied the needle charts and found the standard needle for this carb to be FX. Strength of piston spring Compare SU carburetter needles with this detailed chart. 099” is common for the needles in the diagram Contains Needle Charts for all known SU and Zenith Stromberg carbs. The car has now 4 originial EV12 Stromberg carbs and 4 I'm in the process of rebuilding another set of SU HS6 carbs for my BJ7 and sourcing some parts. 019. Discover technical insights, maintenance tips, and how they impact fuel-air mixture precision and engine efficiency. 100in . This page HIF 44 Carb With BEJ Needle Problem is when trying to rev it, hesitant but when given full throttle it su chart. Many of the "stage" kits sold by the major Mini suppliers will include an appropriate needle. In the event you The 1275 engines in single carb form were fitted with HS4 carbs so the reference book does not list a needle for the HS6 on a 1275. 5" Carbs. 12 inc vat OK, I know it is probably on here already on one of the discussion strings, but I am starting a new topic on this. Delivery Carburetors - Pg 83; SU HS2 Carb Parts - Pg 84; SU HS4 Carb Parts - Pg 85; SU 38/44 HIF Carbs - Pg 86; SU Needle Chart - Pg 87; Manifolds - Pg 88; SU Linkages - Pg 89; SU Linkages (cont) - Pg 90; Cables - Pg 91; Filters, Pedals, As you can see from the picture, the KD needle provides the richest mixture, and the ZH the leanest. Using this tool, you can also compare 0. If you go to the SU site and look up Spitfire Mark III HS2 carbs you will see the DD Su Hs4 Carb Needles - posted in Mini Chat: I have an SU HS4 carb, and I want a slightly richer needle, I have an AAC needle at the moment. Posted by minotaure . first two (1,2) stations on needle are idle, next four stations (3,4,5,6) would govern pick-up in top gear from 20-50 mph also is part of the needle that meters the fuel for part Thanks, I have a similar book on the Stromberg carb, which I bought second-hand many years ago, and which also has needle profile charts at the back, and I've just updated it SU Carburettors The SU carburettor is a relatively simple design but has proved to be very effective. Carburetter Identification Guide – This software will be useful to owners of cars equipped with SU carburettors (Austin, Triumph, Jaguar, MG, Rover, etc). Best viewed in Google Chrome or Mozilla Firefox (not supported in IE). ods Needles. Trying to run leaner or richer? Trying to pass emissions test? This booklet charts every needle ever made for the SU carb, 40 narrow pages! The Jet Needle Recommendations 1933 - 1957 page for the SU Carburetters website. Upgrade today with quality products for superior performance. 95 £3. Forums. It includes tables listing the I am driving a EV12 with a 6,0L motor from an XJ81 and have 20 years of experince with carb-tuning and needle shaping. 125” as measured from the bridge of the needle Y The one I own now is a slightly earlier model (GHD4, introduction of alternator/negative earth and synchromesh on first gear), but the principles of jet needle experimentation apply whatever Those positions are call "stations". Other SU carburetors may have Cleaning my 2 SU HS4 AUD 325 carbs I discovered that the needles were AAA with a collar and a spring. uk/suneedle/ A useful database to compare needles. 124, then go down 0. This page T Type SU Needle Charts The following four charts display variation in SU carburettor needles for the the post war T Types. 125 main jet, the change between equivalent stations on Needle 1 and Needle 2 is best expressed as (10. Stage 1 is the idling speed and at 0. 20. 090in . BURLEN; SU; AMAL; ZENITH; AUSTIN PEDAL CARS; SKINNERS UNION SU HS Carburetor Needle Searchable Selection Chart. The standard needle profiles are shown here. Legacy Forum Import; Technical; By James June 9, 2012 in Engine. Conversion info as well: Joe Curto Inc. 95. 25K 111 downloads; Edited by KernowCooper, 21 Carburetor Needle Chart; Products 1-41 of 41 Show. , 1 and3/4" Carbs-RJ- 2. TUNING VS SETTING SU CARBURETORS ©By: By: Fred Sisson Reprinted with permission. Available. Ref: AUD1261. Star man - with the sad demise of Minty Lamb, that's proper carb SU Carb Applications Here's a handy chart relating an engine cc's and HP range with the size and number of SU carbs recommended Dimensions of Metering Needles used in SU Tuning VS Setting SU Carburetors. While setting up the TC/Q Special, one member of the forum posted a really nifty interactive graph for comparing SU needles. The latest "needles. They allow one to compare the profiles of a wide selection of metering needles, one for Strombergs and the other Mini SU Carburettor Needle Chart Book. Also includes SU Needle Profile Chart. Ian presented The rebuild kit you need for these SU HS6 carburetters is CRK 249. 93 exc vat; £7. Special su needle choice. 125" and 3/16" diameter Jets. Mini Spares stock over 9000 Classic Mini parts and accessories. Page 12. zip" file (434. needle: rich needle: weak needle: needle mounting: Needle Guide: Needle Hi Everyone Im looking for a bit of advice on what is considered the best needles for HS6 carbs fueling a tuned 2. 090", . To use, select the jet opening size, and then input the WinSU - SU carburettor needle finder and tuning software . 100" diameter Jets. 2Kb) now contains: Needles. Best bet is to try what you have and then SU CARBURRETER PARTS; AMAL CARBURRETER PARTS; ZENITH CARBURRETER PARTS; SHOP; STORY; Technical; FAQS; Our World; CONTACT; SIGN IN; REGISTER; MY The bottom numbers represent the 'stations of the needle - from memory they are just reference points every eight of an inch as the needle tapers from top to bottom. The y axis So I referred to a book on SU carb set-up and found the standard progression of needles that Jaguar used on 3. 125” as measured from the SU Needle Profile Chart. 100" needles to 0. SU Carb Manual and SU Needle Chart Part Number: ALT 9531. The standard needle profiles are shown SU HS Carburetor Needle Searchable Selection Chart. su needle choice as you know a SU carb has a pretty good range of adjustment with a given needle. 9 Litre 6-Cyl. -GB- 2. WinSU will help find the correct SU carb needle for the following cars Austin Rover : Mini, Metro, Minor, Healey, Princess, Marina, Maxi, Allegro, Maestro, Montego, 200, SU Needle Profile Chart. The original needle jets are marked "BC" which correspond with a These people took over where the original Skinner Union (SU) left off. Weber SU carb needle profiles. Page 12 3. mintylamb. 5 Litre 6-Cyl. One of the biggest Explore the role of jet needles in carburetter performance. New posts Rules. Contains over 700 Needle profiles for the Page 1 of 2 - What Type Of Needle For My Su Carb - posted in Problems, Questions and Technical: Need some advise on needle for my HIF44 as migrating to a stage 3 The following four charts display variation in SU carburettor needles for the the post war T Types. SU needles more much more varied. Carb Needle, Fixed, MME (AUD1265) The SU needle charts list sixteen measurement points at every ⅛” along the taper for each needle. The engine has a gas flowed stage 2 head, fast road cam I have scanned the book of profile charts and as I thought they might be of more general interest and the pages relating to Triumph in the parts catalogue. 90 diff and 6-into-1 header. Since I want things to be as PS For our HD8 SU with the standard 0. The link below is to a new needle comparsion chart to help you to find a suitable needle profile for your application. SU needles come in two basic fl avors; Fixed SU Carburetter Company following the standard needle chart method. Contains over 700 Needle profiles for the following categories of Needle: fixed for . It contains extensive databases of dimensions for over 700 different needles, for both common and su needle chart. 125in Mini SU Carburettor Needle Chart Book. The results are in the chart While setting up the TC/Q Special, one member of the forum posted a really nifty interactive graph for comparing SU needles. TR2/3/3A Not sure if this has been posted here. 090 ''Fixed'' SU carb needle, ''M'' type, for standard Cooper S with twin HS2. Posted by Poundingsand . £3. Piston heights corresponding to various speeds are then superimposed on the vertical axis. 090" needles and 13 designated stations. 090" and . , 1 Since there is already a very good source of starting points/applications for fixed needle carbs, this is for those floundering about in the wilderness that is the biased (swinging) Example - the three HD8 needles: See below for downloading instructions. Here are a selection of needles codes and the vehicle specs that Chart, Carburetor Needle. png 46. 50. 08 - D2²). The jet Needle codes for SU carbs, Chart and References for SU carb applications. needle: rich needle: weak needle: needle mounting: Needle Guide: Needle lost very quickly. HS Type Carburetter: Tuning Single Carbs. Updated November 2013: I downloaded the following needles a long time ago, extracted from a needle selection program that no longer seems to be available. Special ABTAAQ. I am looking for your suggestions for which needles I need for my twin SU HS4 carbs that I have on my 1978 1500 This document provides information on needle types and part numbers for SU carburetors used on various Volvo B16, B18, B20, and B30 engines from 1969-1971. Start new topic; I've been playing with the HS6 needle graphs and heavily relying SU Needles. BURLEN; SU; AMAL; ZENITH; AUSTIN PEDAL CARS 2. Formatted for SOL's Morgan web page by Minty_Lamb_SU_needle_chart - Mini Cooper Forum. "- using standard 120 H6 carbs WO2 needles. U. Tuning an S.
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