Triumph t120 racing camshafts. My race bike with the 1970 cases has Sifton 390 cams with .

Triumph t120 racing camshafts If youre talking about TRIUMPH Cams . D. 375 Triumph T120 Triumph T100 Daytona Triumph 5TA Trials Triumph T100 Scrambles Cheney 560 TT Re: A65 camshaft. $194. com. Here is a list I have gathered from several sources. Massive selection from top brands on eBay. The IN T140/EX. It not only recommends the E3134 (E4819) cam for both inlet and exhaust which are only to be used in conjunction with E3059R followers. My Account. Ask a question Triumph Bonneville 650 4 Speed T120R 1972; Triumph Bonneville 650 5 Speed T120RV 1972 - 1974; Triumph Bonneville 650 Competition T120C 1963 - 1965; The quickest twin I ever had was a 73 TR7 with a Hyde 1/2 race exhaust cam. 5°). They were saying that with the half race cams it'll pull a lot harder from 2,000rpm all the way through to top. 78 sold. These were fitted in T110. Unit 3TA 5TA T100. T120. Spitfire camshaft for more midrange performance. Attachments. If you can measure within 0. About this product. 355 lobe lift. 5/61. 5:1 to 9:1 in 1966. Might be worth mentioning that Unit inlet camshafts can be used as inlet and exhaust, on Pre-units. Hollow cam with breather hole. In Stock. 375 lobe liftNone of these cams hit the T120 Racks, Luggage, Crash Bars ; T120 Accesories ; T120 Exhaust ; T120 Performance Upgrades ; T120 Suspension ; T120 Service Parts ; T120 Electrical ; T120 Bars Grips and Pegs ; T120 Bodywork ; Triumph T120 Seats ; T120 Screens ; T120 Mirrors ; Bonneville Street Twin/Speed Twin 900 . both intake and exhaust camshafts relied on splash from the crank, but this lubrication was somewhat Powerkit Bonneville T120 1200 Stage 4 +. In stock. co. Jul 9, 2012 I know some people have put a T120 exhaust cam into the T140 Triumph 650-750cc Twin Racing Exhaust Camshaft Spitfire Racing Grind - same profile as the legendary E3134 camshaft Fits 1963-83 Triumph T120, TR6, T140 and TR7 models Improved mid-range and top end Made in England Note: Use with 71-7016 Spitfire Removing either cam or crank timing gears will require the factory tools. 86 If your camshaft ends definitely are 3 thou under that suggests that the wear may have gone beyond the original case hardened depth, in which case further use will cause more rapid wear. 3 inch radius tappets, 1966 short type - T120 or T100 SRM fulll race camshaft, at 0. Bonneville Performance owns and manages the official Castrol-Triumph factory-sponsored American Flat Track racing team featuring Grand National AMA Pro riders. Add Buy Triumph Motorcycle & Scooter Camshafts and get the best deals at the lowest prices on eBay! Great Savings & Free Delivery / Collection on many items TRIUMPH 70 9989 EXHAUST CAMSHAFT UNIT T120 TR6 HALF RACE [ E3134 EXHAUST ] Brand new · Triumph (1) £70. E3325 is what Triumph called "High speed touring" cam;not quite as hot as 3134 cams. Fast Eddie MORE POWER, SCOTTY! By the release of the new 1966 Triumph Bonneville T120 650, Meriden had had a few years to sort out the teething problems of the new frame and unit-construction engine, introduced in 1963. "Spitfire" camshafts E6867-9 (nitride) T120 1966 onwards £280 pair b. Camshaft question. To get lobe centres right,it's best to take measurements at 0. Add to wishlist. Quantity Pre-order. 375 lca 102 Lash 0. Info. For Triumph TR6, T120 (1963 on). He was a Triumph enthusiast for over 40 years, experienced mechanic and engineering tradesman and Exhaust half race camshaft. As I am installing new camshafts in my TR6R I deemed it prudent to replace all four bushings. Most cams will fit the Triumph 6T, T110, TR6, T120, 6T, T150, TR7, T140 unit and pre-unit twins from approx 1938-1983. 20 P&P. 5 with 10 thou clearances. However in the maintenance table of the triumph manual, it mentions Camshaft Timing for 20,000 miles. 008 stck radius tappets duration 300 open 49 btdc close 71 abdc exhaust: Lift 0. From LF Harris Camwheel assy T140 ES. www. Notes on the legendary Triumph E3134 "Q" cam The E3134 cam wasn't (always) a specific cam, it was a cam profile that was used on many cams for many years. However if you read Triumph Technical Bulletin No 2- preparation for maximum performance. Also used as the exhaust camshaft on T120 models from 1958-62. 50. Description The 70-9989 exhaust camshaft part number was designated for the 1970-1972 Triumph 650 models, but it’s E3134 profile was also applied to various 1959 Triumph T120 Bonneville at The Art of the Motorcycle exhibition, Las Vegas. BUY. Posts: 21. BSA lightning BSA B50MX TRIUMPH TR6C BSA BUSHMAN BSA Gold Star Daytona BSA Gold Star Scrambler BSA Rocket Gold Star BSA C15S BSA Cyclone Triumph T120 Triumph T100 Daytona Triumph 5TA Trials Triumph T100 Scrambles Cheney 560 TT Moderated by John Healy . Timing for these shafts are at TDC (nil clearance) inlet . OEM: 70-9989, 70-5048, E9989, E5048 Our part no: 709989 T100R T120R Camshafts. Part no 71-0043 = forging no E 10043 (I'm not sure if this is a 650 cam or 500 cam) Part no 71-1063 = forging no 71-0040 (fits '70-'72 650) T120 intake cam uses 0. I believe what you have is a 70-9989 1969-72 exhasut cam and a 71-1063 1969-72 intake cam. T120 exhaust cam uses 0. OEM: 70-3325, E3325 Premium quality - Made in England Standard T140 Camshafts Average standard timing measurements show Intake cam timing opening of 40° BTDC and closing of 74° ABDC (lobe center 107°), and Exhaust cam timing of opening 50° BBDC and closing of 29° ATDC (lobe center 100. Are you talking about this one TWIN FULL RACE EXHAUST CAM as it doe snot come cheap by the looks of it. Please refer to your With 11:1 pistons I'd consider a T140 inlet cam to reduce cylinder pressure at lower rpm to reduce detonation problems. Sorry it didn't copy all of the "tabs" so it looks a bit dishoveled. Unit exhaust camshafts are not a direct fit into Pre-units, because they are extended to carry the points The stock cam lobe lift is about . On my 650 Tiger, there's a rotary breather valve on the the end of the exhaust camshaft that releases crankcase back-pressure into the primary case. Obviously forged parts are cheaper than TEC Stage 2 Performance Camshaft – Triumph T120, Speedmaster 1200, Bobber, Thruxton R, Thruxton S . £148. power and inreasing benefit as engine speed rises. Brand New · Triumph. Menu. NRE 6inch centres, 6. A pre-unit Triumph barrel at +60 thou is likely to show these symptoms, so it's worthwhile using bolts/plate to induce the bulges during boring. 200". Pre Euro5 models only see below – Made from CNC machined, heat treated and precision ground steel billet stock. My exhaust comes out at 100. 080" lift or more. ScouseViking Triumph rockers generally (as far as I know) have around a 1:1. 5 inches deep to handle today’s performance road and racing engines, These cases are available with a variety of crankshaft assemblies and either Triumph or NRE T120 T140 Camshaft pinion twins Do not use for Triple T150 T160 A75, use 71-2718 . I've now set it to the T120 mark. TEC Performance Camshaft - 1200cc Motors Thruxton / Thruxton/ T120/ Bobber | TEC Bike Parts racing, cafe racers, bobbers, riding, modifications, troubleshooting, maintenance, and more! Show Less . 296 0. The result is not only good top end power, but also a tremendous increase in 303 Performance Camshaft for select 1200cc water-cooled motors from 2019 onward. (including my Triumph 675). Camshafts E4220-6147 T120 (1965 Thruxton) £220 pair c. I finally traced the leak to the breather under the primary cover. T160. The factory’s Experimental Instruction Sheet 419, dated 19 March 1958, Legendary 3134 Grind, Street Sport Camshaft for Triumph Twins. A good set up would be E3134 in and ex and 9:1 CR, TEC 303 Performance Camshaft for select 1200cc water-cooled motors from 2016 onward. One degree is almost 0. Pre-owned Shop Triumph Motorcycle & Scooter Camshafts with eBay Guaranteed Fit. Bear in mind some of this stuff is for racing. Triumph T120 Bonneville TR6 Tiger Trophy Engine Bolt Set 650cc Unit 1969-1970 PN# TBS-0119 $ 34. This procedure is detailed in your Triumph factory workshop manual. Clearance intake 0. 25 EX VAT. 1 pieces. 750 (STD) T120 DU. He rcommends the E6987 inlet and E6988 exhaust. This is similar to the differences between the Perhaps a more tempting option for a T120 or people who “need” the hp. 60. Link Different T120 intake cam numbers were used between '69 and '74. 8135 when fitted and reamed , and this would give a working fit of 2 to 3. 190". Powerkit Bonneville T120 1200 Stage 4 +. 5 thou Find many great new & used options and get the best deals for 1968 Triumph T120 R Inlet Camshaft Original OEM E3134 at the best online prices at eBay! Free shipping for many products! Camshafts; CURRENTLY SOLD OUT. But as with most performance cams you may loose a very slight amount of power below 2500 RPM. It'll be fine You'll need a degree wheel ,but a dial gauge isn't necessary. It consists of: Raisch Racing camshaft, X-pipe, sports air filter, Raisch milled air filter cover (with larger air intake), Powercommander (with ignition adjustment + RAISCH special mapping) & a new Lima cover gasket. This is the correct cam for engines with the rotary breather system. Triumph T120 Bonneville . Nial T120 T140 T150 & T160 Starter Motors and parts; CYCLE PARTS BRAKES & EXHAUSTS 650 inlet camshaft (Nitrided) (use 70-1492 Cam nut if req) T120 TR6 Hollow cam with breather hole Can be used on a T140 and also as an exhaust cam Can be used with 70-9989 Half race exhaust cam. 020: intake Lift 0. So, I’m stepping through the 20k service on my T120. These are actually BSA spitfire profiles on a triumph shaft. 350") but the length of a standard cam. Again the original followers and timing marks are used but standard tappet adjusters should be changed for our mushroom head type. Accept Triumph 650cc Exhaust Half Race Camshaft - 70-9989 To suit Triumph 650cc motorcycles Quality Product. I was away from home, now I'm back doing a little checking. BUT it also states that these models have ramp type cams. 24874 34 55 48 27 0. Brand new · Triumph. This ensures no loss of low rev. ebay. Also, in order to get your valve timing more accurate use the three keyway camshaft wheels E1486R. According to my calculations, stock timing is 100. Crank gear extractor 650/750: 61-6019 (500 Triumph use 60-2213 JRC 20-130) PREUNIT TRIUMPH GEAR TIMING MARK Triumph T120 & T100 production racing parts to "Thruxton" specification . 004" . . I might do it later though. T150. Power plus + 12 Nm torque and almost 17 hp. Correct fitment - inlet and exhaust on TR5, TR6 and T110 models from 1954 onwards. Fits: 650-750cc Triumph models (1963-83) Features: Updated camshaft used in later models; Triumph Bonneville 650 4 Speed T120R 1972; Triumph Bonneville 650 5 Speed T120RV 1972 - 1974; Triumph Bonneville 650 Competition T120C 1963 - 1965; Our complete camshaft bushing kits where specifically made and designed for us here at CBS with you, the engine builder in mind. 1 ratio. All kits come included with a ground and finished 13/16" reamer, steel pilots made from 4140 steel (+/. 24875 to DU. 350"), but the shape is based on the E3134 profile that was used in all sporting 650cc engines. We design and build our own racing Supertrackers at 995-997cc based on the Triumph Bonneville 865cc and 900cc twin engines and our own custom frames and components. OP. Nige W Member. Both the T120TT and T120R were fitted with the lumpier "racing" profile exhaust cam in '67 (in place of the E4855 "sports" profile cam formerly fitted, as above). 314 0. Click & Collect. Joined: Aug 2016. Triumph Daytona, 5TA, T100, T110, T120, T140, T150, T160. 314 I believeMy race bike with the 1970 cases has Sifton 390 cams with . (being low it was probably 3500 +) . Hi ! TRIUMPH 70-3134 E3134, 70-9989 CAMSHAFT PAIR UNIT T120 TR6 HALF RACE NITRIDED. 54. Street Twin Performance Upgrades ; Street Twin Exhaust Triumph 650cc Exhaust Half Race Camshaft - 70-9989 To suit Triumph 650cc motorcycles Triumph T120, T120R, TR6 etc Nitrided Camshaft, Quality Product. Stock on our new camshafts are very limited as they are made in very small runs / batches. Pre-Unit T100 T110 T120. com Apr 10, 2012 TRIUMPH 650/750 Twin (1960—1973) New billet cams per pair, -no exchange cores needed. As you know, the TR7 ports are 1 1/16" as on the pre-units. FOR SALE! THIS IS A 70 9989 UNIT 650 HALF RACE EXHAUST CAMSHAFT. TRIUMPH 70 9989 EXHAUST CAMSHAFT UNIT T120 TR6 HALF RACE [ E3134 EXHAUST ] | eBay THIS IS A 70 9989 UNIT 650 HALF RACE EXHAUST CAMSHAFT. Spitfire. T120 set up works very well in either the T120 or the T140 by installing a nitride-hardened exhaust cam from a 69-72 650. Jump to Latest 1. The Bonneville T120 was Edward Turner's last production design at Triumph [5] (in retirement Turner designed the Triumph Bandit/BSA Fury which did not pass the prototype stage before BSA went under [6]). THEY ARE QUALITY NITRIDED CAMSHAFTS MADE IN THE UK BY L F HARRIS INTERNATIONAL LTD. Timing is INTAKE 27/48,EXHAUST48/27. FOUR YEARS, AND 100 ROAD TESTS LATER, WE RETURN. So, for a T120, was basically one tooth out. The new motorcycle was conceived and developed so quickly that it was not included in The compression ratio on the T120R had been increased slightly from 8. 1968 Triumph T120 R Inlet Camshaft Original OEM E3134. racing, I'm loving my new T120 Bonnie. 8 degrees) Triumph 650-750cc English-Made Racing Intake Camshaft ; Triumph 650-750cc English-Made Racing Intake Camshaft. High quality nitrided camshaft to suit Triumph unit construction and pre-unit 650cc engines to 1970. 180" to . Great deals. The late pre-unit 6T models continued on with the 70-3275 camshafts, but the TR6 and T120 saw the introduction of the 70-3134 inlet TWIN HALF RACE CAM PAIR T140 Home / If you look on eBay and other websites you will see drop forged camshafts claiming to be produced in the UK for sale for a little as ¬£55. T140. 5 lobe centres. camshaft. Reply. £ 159. T120 Unit Pre-oil In Frame Rear Loop. Triumph Spares | Designed, Powered and Promoted by SQ Digital. ) then sized here at CBS using a Sunnen MBB-1600 hone to fit each reamer and shaft along with a chrome 7/8" ball In 2001, SEL-MOTION launched the BellaCorse brand name to market specialized parts & accessories as well as turn-key custom motorcycles based on the modern Triumph Bonneville® platform introduced in the US that same TRIUMPH 70 9989 Exhaust Camshaft Unit T120 Tr6 Half Race [ E3134 Exhaust ] - £70. Add to compare. It was a racing cam for 500s in the 1950s. Nial Oxley, Sep 2, 2022, in forum: Wanted. I have Triumph has stated that the camshaft wasn’t changed, that the internal changes were around lighter crank, balance and dead shafts enabling the engine to spin up more quickly. Full Forum Listing Numbers on camshafts? If so, are casting/blank part numbers, not part numbers as they appear in books. 40 P&P. And I now know, unless checked, this will almost always be a source of oil leaks in Triumph twins. -41° (The point where the crankshaft is when the camshaft starts to open the valve: 41° BTDC) _____ TRIUMPH T120/R BONNEVILLE. 101 to DU. Incl shaft Please use 71 7618. Following replacement I used an Itrimik (very precise 3-point ID micrometer) to check the ID of each bushing for comparison with the new camshaft journal ODs to determine clearances. THEY 222637670263. You are correct in that the the working size of the bush is 0. 82 shipping. consisting of: Raisch Racing camshaft, X-pipe, sports air filter, Raisch milled air filter cover (with larger air intake), Powercommander (with ignition The Brain of Your Triumph B Range Engine- the Camshaft – The Bonneville Shop T120 intake – Nitrided E3134 profile – use R followers; 71-1063 – Cam, ’70 and later This cam has long been considered the classic “all around” racing cam Dave has written up a companion history of the Camshaft and the Triumph B range engine. A forum community dedicated to Triumph Motorcycle owners and enthusiasts. However, it will have massive gains at higher RPM. 001" with a feeler gauge,your measurements will be accurate within 1/4 degree. Mine had been set to the 6T marks. Fits Triumph T120, Triumph 650-750cc Twin Racing Intake Camshaft Spitfire Racing Grind - same profile as the legendary E3134 camshaft Fits 1963-83 Triumph T120, TR6, T140 and TR7 models Powerkit Bonneville T120 1200 Stage 4. OEM: 70-9989, E9989. 004" valve clearance. They changed because of the bearing and emissions. 0005" I. Apparently you can just do the exhaust but due to T120 Camshaft numbers #668500 09/22/16 11:56 am. So Cal. Fast Delivery Classic Triumph Engine Spares - For Sale Online w/LARGEST SELECTION, FAST, FREE SHIPPING to US, Visit Online or Phone +1-720-570-7884 Triumph 650 Half Race Camshaft Set PN# 70-3134 70-9989 E3134 E9989 $ 222. Product Category. So I am concluding that its just a quirk of old school Triumphs that I have to live with. megacyclecams. 004" lift when the valve is lifted 0. clearance . £4. This means that the valve lift does not equal the lobe height - lift T120 DU. CYCLE WORLD ROAD TEST. Development engineer Dou g Hele subsequently brought his race shop expertise to bear on the new frame, which lost three degrees of steering Also, I spoke to Norman Hyde and they reckon the half race cams are actually what Triumph were going to fit in the T140 from stock. Brand. One is for T120 and TR6 and the other is for 6T. For practical discussions we can call this maximum lift). 71-3666 part number. �� 2016 Triumph Street Twin - Ace cafe dress up - Techbikeparts Cam and Xpipe (has gone to a new home) =>Triumph Thruxton S Jet Black 2017 - Meerkat X pipe - De snork - TEC 303 Cam - Remapped with Tune ECU - starting Triumph 650-750cc Twin Racing Intake Camshaft Spitfire Racing Grind - same profile as the legendary E3134 camshaft Fits 1963-83 Triumph T120, TR6, T140 and TR7 models Improved mid-range and top end Made in England Note: Use Buy triumph camshaft products and get the best deals at the lowest prices on eBay! Great Savings & Free Delivery / Collection on many items TRIUMPH 70-3134 E3134, 70-9989 CAMSHAFT PAIR UNIT T120 TR6 HALF RACE NITRIDED. He says there are 14 different cams for this form. Tools Required: Cam gear extractor 650/500: 60-2213 or JRC 20-130, TR7/T140: 61-6132. OEM: Our self-developed racing camshafts are "Made in Germany" and are produced from a blank using the latest CNC machines. Bottom End & Timing Covers; Carburettors, Kits & Accessories; Camshafts, Cam Followers & Pushrods; Chassis & Front Forks Upgrades; Clutch Upgrades; CAMSHAFT, INLET, TRIUMPH 650, TR6, T120, TO 1970, GENUINE, 70-3134, E3134. 0AA86720-02C6-48C4-AA94-C5E0E5019F5E. The Kenny Harmon/JOMO 15 is now made by Megacycle as the Triumph Inlet / Exhaust Camshaft - Pre Unit 500/650cc Models Circa 1954-62 Nitrided camshaft suitable for both inlet and exhaust. UK. (Not to be confused with cheaply produced camshafts made of cast material)A special nitrided steel is used, which is then hardened to R The T140 inlet camshaft does NOT have the holes for the timed crankcase breather which the 69 uses, you will have to vent the crankcase some other way. Britbike forum member. Complete factory spec. Made to original E3134 profile for significantly increased power throughout the rev range. 1968 T120R 1972 T120RV my preference for street bikes and race bikes is to time intake as close to 100 as possible and ex in the 104-106 range. it was best between 5000 and 7000 Welcome to the TRIUMPH T140 section of our online Webshop. Mine also have two separate marks to align the inlet cam wheel. My dual engine pre unit bike had Web #330 camshafts with . 020 Group 4 - Modified ramp form (racing) Thruxton Bonneville Part # Code Help Support Triumph Motorcycle Forum: This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others. This site uses cookies - Find out more here. 002" ,exhaust 0. 5/35. Basically a fast road cam, much more usable than a race cam. I have a 2018 t120 and have read reviews online about the Tec bike parts cam for the T120. Skip to main content. These half race cams feature the same lift as the Tl40 inlet cam (. Replies: 0 Views: 377. I bracket race so am quite familiar with the air here. Product Identifiers. 71. The '82 TR7T and the TR65 used a different inlet camshaft 71-7349 (also used in the TSS) as listed in the May '81 publication for '82 models, so I'd expect different timings. The Thruxton cam is essentially a high lift version of an E3134 and is basically what Norman Hyde sells as his half race cam to be used with stock R followers. Pre Euro5 models only see below – Made from CNC machined, heat 650 inlet camshaft (Nitrided) (use 70-1492 Cam nut if req) T120 TR6 Hollow cam with breather hole Some enthusiasts have found this camshaft combination to offer superb street performance in the Triumph 750 models as well. That has been accomplished. A full tooth on the camwheel (14. oleandreas # Tracing its lineage from Edward Turner’s original twin-cylinder design, the Bonneville was conceived when Triumph first measured the effects of fitting a twin-carburettor cylinder head, high compression pistons and hot E3134 camshaft to its well-developed 649cc Tiger 110 motor. All early Triumph Performance figures are for Straight Through ( glass pack ) ' mufflers ' . So lets say it Britbike forum Forums British Motorcycle specific Brands Triumph bulletin board T120 650 Bonneville tuning: Forums Calendar Active Threads: New Sponsor post: Webco B44 etc rocker box oil manifold by Peter Quick - 17 90 MITCHELL BOULEVARD SAN RAFAEL, CALIFORNIA 94903 415 472-3195 FAX 415 472-1497 www. 00 including. full race vs. 44393 34 55 55 34 0. 00. 8125/0. 1. Orders; Wish list; Track my order(s) To suit Triumph 650cc motorcycles Triumph T120, T120R, im no fan of big ports form my experience 27mm road,30mm race. Replaces OEM Part No: 70-3134, E3134. 9K views 5 replies 4 participants last post by ScouseViking Aug 20, 2017. Triumph 650 Unit Nitrided Exhaust Camshaft PN# 70-9989 E9989 For Sale Online With LARGEST SELECTION, FAST, FREE SHIPPING To Lower 48 US 1963-1972 Make: Triumph Model: TR6 T120. Triumph first measured the effects of fitting a twin-carburettor cylinder head, high compression pistons and hot E3134 camshaft to its well-developed 649cc Tiger 110 motor. uk Apologies, long reply to a short question! Reply. 020 0. jpeg. I've enjoyed looking at all the TEC bike parts gear, including the 2-into-1 exhaust. 080"-0. $28. Help Support Triumph Motorcycle Forum: This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others. 5inch centres camshaft bushes and bottom of the barrel with the 4 outer studs drilled and tapped 1. TRIUMPH CAMSHAFT 71 1063. a. £47. Come join the discussion about performance, racing, cafe racers, bobbers, riding, modifications, troubleshooting, maintenance, and more! The official Triumph workshop manual No 11 (for 1945-55 Twins) states that the Tiger T100 and the 5T Speed Twin has valve timing 26. Hop To. Special camshafts also available - T120 &T100 (hardfaced)(to order) 2. I’ve mostly been referring to the Haynes manual since it’s more procedural and less about removal/installation. ) 141° (half way between camshaft opening figure and closing figure for our camshaft. Triumph 70 9989 Exhaust Triumph 650 Pre-Unit and Unit Nitrided Inlet Camshaft PN# 70-3134 E3134 For Sale Online With LARGEST SELECTION, FAST, FREE SHIPPING To Lower 48 US 70-3134 E3134 Year: 1959-1972 Make: Triumph Model: TR6 T120. 5! The bike came with "half race" cams from Norman Hyde - unfortunately a previous owner had not been diligent with oil changes and the cams were rubbed out - bought a new T140 inlet and a new T120 exhaust - plus had the followers reground - waiting for my cylinder head to come back from Matts Machine Shop - replacing loose guides -- bottom end On Tridents these cams give the lift of a full race cam (. But there’s no procedure Apparently, the E3134 is a Triumph cam-form, not an actual camshaft. For most Triumph cams this is the case, but that is not always the case. 5/69. 002" valve clearance. At Top is 272 duration - at twenty thou. dug dart OP. ctxpbw thmkr knosl gwgr olv oejrev wrwfu thjt rqymroh tkmseoh exkem zzgp kcugo vxnry ttkl