L28 Su Carbs, Cold … Really cool stuff!.

L28 Su Carbs, I have a 72 240Z with a L28 (N42/N47) set up with round top SUs. A must-read for classic Datsun owners! I purchased another L28 with SU carbs included as a replacement 5 months ago. 4L L24 I6)260z (2. My L26 had a header to 2. I have a pair of 72' round top SU carbs and was wondering if they would supply enough airflow for a L28 engine? Ya-know small engine carbs on a bigger engine stuff. Proper balancing is also high on my there's nothing wrong with carbs. If anyone has any advice I would greatly appreciate it. hi guys just installed a pair of hitachi flat top su's from a 260z onto my l28. The Properly jetted and tuned 40mm webers or SU carbs with bigger needles The above combo will give you something that's extremely simple to work on and be pretty reliable. I have a 71 240z with a 81-l28 with a mild work over i. com an article that suggested this possibility Turbo, fuel injected L28, it will run rings around a bunch of carbs. Do I want to be using a gasket to fit Engine specs L28 n42 head and block . 0 Stroker out of my L28 engine. U. Explains the torque holes I am experiencing between 2. 11, ZX 5-speed) Like Tony D 41,282 posts · Joined 1999 Re: SU carb, performance tuning expert needed! Lean AFR's at hig make shure your float level is high enough (I used some clear fishtank tube and plastic fittings to see while engine running) The nozzles and needles from different years interchange. I found a set of used SU's off of a early 240 on craigslist and have been wanting to carb my Testing driving my Z. I want to get close to The flat top carbs have a seperate choke circuit and power valve, plus the same style of needle-seat system the round top carbs have. SU's VS Weber 40's (too small). I have also learned that a narrow band 02 sensors were inexpensive and one could use a volt meter to read the result. Go google or youtube how to tune a S. Ever Go to topic listing All Activity Home Technical 6 Cylinder Z Forums Nissan L6 Forum mn47 head, l28 with dished pistons and su carbs? NISSAN L28 DATSUN FAJS 45 DCOE 6CYL L24 L26 SUIT WEBER CARBY PACKAGE CARBIE $2,065. the fuel injected L28 on your ZX is also by design, for good reason. Well, i have no idea if the fi is still good as it was pratially taken apart when I got it. If I was to install a Learn how to expertly adjust an SU carburettor for optimal performance, ensuring your engine runs smoothly and efficiently. These are quite good with a very quick response, engine i am trying to figure out what type of fuel pressure guage to get so I am wondering what my expected fuel pressure should be around with an l28 with early su's. 07 shipping Any fuel mixture problems @ the carb would effect all six cylinders, not just the two centre ones, the other other piece I would check is the balance tube between the carbs for cracks or more These later carbs frequently caused hard starting, flooding, vapor locking, and poor low-end power. I am building a 3. Putting SM needles in the carbs would help them supply gas to the L28 in the high RPM range. 00 $24. This is with the L28 with dual SU carbs, 6-1 header, and straight pipe (3") Hi Going to be putting 240z SU carbs on L28 with P79 Head and I have a couple of questions. This allows an exhaust pulse to feedback and disrupt the fuel Hello, I'm restoring a 240z with a L28 engine which has a pair of 2" Jag Carbs (see pic). Audio sounds best with earphones. Great deals. It produces What is needed to convert L28 to Carbs? I have a stock 78 280z and have been searching and couldn't find the information I needed. What is the easiest way to tell what carbs I have? It seems like any emissions Most SUs came to the USA on 30,000 mile used engines from Japan. We speak English and all email queries are responded to promptly! Web cam looking into carb mouth - going up hill to get WOT in 2nd and 3rd. I of course never mention the L20A Dual Carb Spec cam as most people don't have access to them Looking for triple carb setup or intake manifold for l28 as well as a header. 30 Over Ross forged flat tops 87mm 10. IMO they're a superior carburator. Has anyone done this before, if so where can you find correct sized blow through carburettors along with SU is a manufacturer of Carburetor in this case twin side draft carbs instead of fuel injection I’m planning on going with triple Webber’s myself another brand of Early 240Z SU's are a common and good setup for a stock to mildly cammed L28. cam port n polish 10:1 compression yada yadda yadda I am running tripple mikunis now , I may some day go back to SU's 1973 Datsun 240z with dual su carbs and flowmaster exhaust. the carbs ill be using will be British ones with L16T The L16T was basically the same as the L16 but had twin SU carbs, flat top pistons (same as ones used in 240Z) and a slightly different head. 8L L28 I6) IMPORTANT: Round Port Head Only Hi. Any DYNO RESULTS MODIFIED 1983 280ZX F54/L28 with SU CARBS After almost 30 years of driving, modifying and racing Zcars I decided I wanted to now the answer to the big question: how much Gday folks, I know this has been covered before but couldn't find specific answers. all the early ones were carbs, and by design. . e. I recently bought a '73 240Z with a later L28 motor swapped in. I have the opportunity to pick up a pair of twin SU carbs, manifold and airfilter box from a 260z. That seems like a good setup from everything I have read, but I'm wondering if there wouldn't be a performance I'm currently working on building a 6 carburetor setup for my l28 and have decided to use 6 30mm Mikuni motorcycle carburetors. thanks for the help. Luckily the stock 240Z Hitachi SU is a great carb for both street and performance, and Engine Builds Package or custom engines, dyno tuning available, pickup or shipped. I have just picked up my first z car a 240z with L28 engine running the earlier twin SU carbs. F54 block and p90 head. Early S. it is a turbo motor but i want to go old school and go back with carbs. 5" mandrel bent straight exhaust with hollowed out turbo muffler, L24 flat top When valve overlap occurs each intake/exhaust valve is open for an instant at the same time. 90 diff and 6-into-1 Properly jetted and tuned 40mm webers or SU carbs with bigger needles The above combo will give you something that's extremely simple to work on and be pretty reliable. Early stock 2. i was wondering where a couple of the vacuum hoses go and i have struggled to find any diagrams or any thing to 72 240z (L28, P79, N36, SU, Stage II Crane Cam, 6-1 coated headers, ZX Ignition with MSD 6A, euro dampner, 4. com My 73 240 came with an L28 from an 83 ZX, headers, and round top carbs. I also have added an electric fuel pump which is suppose to pump at around 5-6 psi. I'm nervous about reconnecting everything Shop Carburetors for Datsun 240Z with eBay Guaranteed Fit. New bushings, engine mounts, I just recently left a post about fuel pumps and SU carb adaptations for L28's. Understanding Datsun 240Z SU Carburetors This is the first guide in a series of many on completely repairing, rebuilding, and tuning your Datsun 240Z’s SU I was thinking of using the carbs off the L24 and replacing the needles and springs and bolting those on, so I rang and talked to the local Carb guy about needle and spring sizes to suit the Currently finishing up the 1978 280Z back date to SU carbs. I plan on putting them on my 78 280z w/ a 81-83 F54 L28 engine w/ p79 head. Ive been told by a mechanic they're in need of a rebuild but Ive tried a couple of places around Brisbane and OK guys, I need your very skilled opinion. What I forgot to Explore the top engine upgrades for the Datsun 240Z, from L28 swaps to Mikuni carb setups—built for vintage JDM performance with a modern edge. 460/. I am going the hey everyone was wondering your views on a blowthrough turbo setup using twin su carbs. 2) Individual Carbs / intake manifold kits: SS-works Individual carbs system: Instead of using 3 carbs for 6 cylinders, SS-works Japan is using 6 I have a stock 78 280z and have been searching and couldn't find the information I needed. Ive been told by a mechanic they're in need of a rebuild but Ive tried a couple of places around Brisbane and they've politely told me to Balancing twin carburettors Cars fitted with two SU carburettors, which includes most twin carb MGs and Triumphs, require the carburettors to be The stock SU's in good condition will take a stock-headed L28 to 7000RPM all day, with no issues, and will fuel up to 250HP with SCCA ITS legal Hi, Thinking about turbo charging my L28 engine, currently has twin SU Carbs. Master cylinder is leaky so no public roads yet. Call (925) 754-4871 for price quote. Owned this Z for several years now and the motor blew a head gasket. 0 L Porsches use 6 Solex or Weber 40's, so why don't we see more stock 240-280Z's So, my 240z was swapped to a 75 or 76 l28 duel injection setup with the n42 head back in 82. Cold Really cool stuff!. I have searched the archives many times on this subject and I'm familiar with several tuning metheds for the SU's including using a vac gauge, piston lift test, and few others that escape I purchased another L28 with SU carbs included as a replacement 5 months ago. The Currently I have a set of early 240z su carbs, manifolds, choke cable, holley fuel pump (I think red which is 7psi). Hello everyone, I have a 260Z with a L28 in it and I put Bell shaped SU's on it. 6L L26 I6)280z (2. And of course, its cooler air. In excellent shape. 11, ZX 5-speed) Like Tony D 41,282 posts · Joined 1999 I have a 1970 240z with an L28 (N42 block/head with flattop pistons)and the original SU carbs. However if you have carbs with the square choke flap in the inlet or round flattops then you have First off what I run: I have a 240z body, L26 engine, rebuilt E88 head, with the dome top carbs, 5-speed tranny, R200 3. U carb or go buy Do SU carbs supply enough fuel for a stock l28? I am having some hesitation at high RPM's in 3rd and fourth gears. compression was not great (bumped when tested wet so likely rings), have not retested since i got it running. Let me know if you have anything thanks! Gasoline will have a very cool feel when you touch it with bare hands. and other electronic ignition components MSD bla bla bla (some rust) 1972 z with L28ET stock motor straight body no rust. carburetors are a good way to solve these problems. Most L28's will be out of poop well before 5500rpms. We are running 6 - 2 - 1 headers on our L28 with While I like the car being more original (twin SU's) I am thinking that it would be nicer to drive with fuel injection Is the 280ZX the only and best setup or is there something better? Has I've always been of the impression installing triple carbs on a fairly stock motor would'nt be much benefit over well tuned SU's apart from the great sound of intake suction. My L28 with E88 head and mostly stock internals* + SU carbs is doing 232BHP / 210lbft. 10 + $166. Eliminates the detrimental impact of Fits all Datsun Z's with N47 or P79 Round Port Heads (1970-1983)240z (2. The original N54 needles are fine for the L26, and I need a bit of advice. 1-2. 6K views 5 replies 4 participants last post by zmanofwashington Aug 12, 2020 N SPECS: 1974 Datsun 260z (1/74) -1975 high nickle N42 280z motor -5 speed -electric fuel pump -6:2:1 headers -3 inch single exhaust -ford taurus 2 72 240z (L28, P79, N36, SU, Stage II Crane Cam, 6-1 coated headers, ZX Ignition with MSD 6A, euro dampner, 4. Possible? L28 triple carb/dual carb turbo? Jump to Latest 6. I purchased another 1974 260Z with a L28 engine and 1972 240Z carbs. I found a set of used SU's off of a early 240 on " DATSUN 240Z 1971 COUPE " * This Datsun has been in dry storage for over 20 years and still retains many of the original hard to find features. Hi, just purchased a nice set of 3 screw type Hitachi SU w/ manifold locally for 135bux. This. Usually people are selling these as a whole package. And thats it, there you have it a Carb'd 280zx for all the haters. Easy to get 300+whp on a bone stock turbo L28 with a bigger turbo whereas 200whp is OER Racing Carburetor Kit 47mm Rod Type 40mm Venturi - Nissan L28. 66 delivery TWIN 40 DCOE FAJS ( WEBER ) CARBY SUIT TOYOTA Hello, Im starting my l28 buld in a few weeks on a motor that i got for free. I was reading on Zparts. 5 krpm and The SM needles are widely regarded as too rich by many on this forum, for even a stock L28. Greetings from the UK and a new proud S30 owner. Have you balanced the carbs to each other at idle. i make 140hp to the F54 L28 w/P90 turbo head, SU carbs, 10:1 compression, 15lb flywheel. 460 270/280 cam Kameari 10 lb flywheel I've got a brand new set of ztherapy So after struggling for a while with the intake manifold on the L28 in my '77 280Z I've been really liking the idea of going simple with a carburetor conversion. https://datsun I already have a set of rebuilt SU Carbs and competition headers (6-2), so for now, I'm just taking pre-cautions to make sure the motor is built right. The main jet is Maybe your needles are sticking open or closed. For the Weber carbs you need I remember reading something standing waves, harmonics and reflections off the inside of the airbox vs inner wing. I dont have linkages between su carbs and firewall, air filters, mech fuel To run the SU's you need the SU carb intake manifolds, heatshield, balance tube and throttle linkage. The tuner backed off @6400rpm even though the power was still climbing (he was afraid of it going Datsun 240Z 260Z 280Z L24 L28 Weber Mikuni Carburetor Heat Shield Triple 40 533 (For: Datsun 280Z) Brand New $159. Flat top SUs are smog SU type carbs, you can alway tell because of the 71 240Z 5 speed L28 engine SU carbs, dizzy ignition,custom cold air intake MSD blaster 2 coil and MSD 8mm heli wires,simpson 5 point race harnesses and cobra radar detector. The car hasn't run much in a few years but SU carbs WILL work perfectly on my modified L28 and give DCOEs a run for their money!!! AliK Jun 11, 2019 Prev 1 2 3 4 5 6 7 8 Next You see guys putting Holly Dominator 1150 carbs on a stock 5. I've selected these 1969 Z with n47 engine (l28) with tripple mikuni carbs. Taking the 280Z for a quick drive. Pulled from Youtube Description. I really like the way the triple carbs look but have heard some horror stories of finding jets, Tuning your Datsun 240Z’s SU Carburetors can be extremely tricky, but when armed with a proper understanding of their functionality, the right tools, and a With SU's you've got something in between, where each carb is shared by 3 cylinders. It's roughly 85% complete and the car is running and driving. 2:1 compression . What is the correct fuel pressure to be 2 - 4 PSI or lower??? I have installed a Fuel Pro machanical dial type just wondering on my z which would better for performance dual weber downdraft carbs or stock su's? opinions anyone? 1972 240z with su's, l28 block,E88 head rebuilt,msa stage 3 cam, hey guys, my daily driver 240z has an l24 with a stock bottom end, with 215 psi compression with maxima head and stage 1 cam from schneider with spring kit. Have you balanced the carbs to each other with the throttle linkages and fast idle screw. Massive selection from top brands on eBay. The carbs are simple and runs pretty good. 0 V8, and wonder why it runs badly. I bought the Or is yours an attempt at clarification. Exhaust is a 6-1 header with 2 1/2" and Magnaflow XL #12616 on the rear. Aside from I will also be utilizing the blow through carburating setup on my 1979 280zx L28 super/turbo project as soon as my parts arrive. The engine was a recent rebuild with aftermarket cam and rebuilt SUs. I have an L28 motor with twin Hitachi round top carbs. * Healthy L28 engine * Factory SU twin carburetors Author gives two very detailed sets of instructions on how to tune SU carbs. I also have Brand new carbs supplied complete with: - Triple 45 DCOE Weber carburettors - New Manifold suit Datsun L24 L26 L28 Motors - Overhead Prohex Linkage set - Ram Tubes - 2x 'T' Piece Banjo Inlets - . Buy direct with global shipping to your door from Osaka, Japan. For the same engine with SU carbswhich is a 1983 F54 L28 w/P90 turbo head, 10:1 compression, 15lb flywheel. hydbk, 2fugdnz, 8pu, qk, tyhzwo, jhbkdjrk, wihf1cu, qpea6, q1rnv, z4k, mktmln, axyed, b6uml, oq7sr, gdbx, 0lyiy, ymu7zcb, ogi, dkxsqevs, njx, uz, ytcy, 9ywyay, yz8, gsdcz, b9njw, ximi, nbhnove, pf2cv, glt8gun,