Tuning su hd8 carbs. Dec 10, 2020 · and Des Hamill&rsqu...
Tuning su hd8 carbs. Dec 10, 2020 · and Des Hamill’s The SU Carburetter High-Performance Manual. Byers Adjustment of the HD8 Carburetor Steve’s document describes the process of tuning the carbs in layman’s terms in an easy step-by-step process. I’m trying to adjust my triple SU HD8 carbs to improve the slow idle. There is a distinct difference between HD8 carbs and the other SU carbs that preceeded them because HD8 carbs are adjusted with the throttle plates completely closed. jaguar-wiring-schematics. The list is always growing and some of Working from memory--I couldn't find a reference in my SU tuning guide--the main jet should be between 1/16" and 1/8" below the venturi bridge (sounds like your back jet sits too low). I will show you how to disassemble, clean, polish, and rebuild a SU HD8 Carb from my Jaguar XJ6 project, but these carbs were used in MGs, Triumphs, Minis, and lots of other british cars. t adjusting screw (3), up to weaken or down to enrich, unt the fastest idling speed consi Re-adjust the slow-running valve (1), if necessary, to give correct idling. I can't seem to get them to sync properly. Step-by-step tuning guide for H Type multi-carburetters, covering throttle balancing, mixture adjustment, idle speed tuning, linkage setup, and fast-idle adjustments. Hello, I just ordered the rebuild carb kits for SU HD8 carbs. The previous owner says that both carbs were rebuilt. I Step-by-step tuning guide for HD multi-carburetter setups, covering idle speed, mixture adjustment, synchronization, throttle linkage setup, and fast-idle adjustments. Nov 16, 2014 · Hello Bob, HD8 carbs were the standard model on the BJ8 Healey so that is what I believe you have. One of them seems to be pulling waaaay too much air through the intake. Also, before, the rearmost carb piston was sticking, so I removed all the pistons and bells and cleaned them all up. info Restart the engine and adjust the slow running valve (1) to give the desired idling speed. All went well and I followed a number of You Tube videos as tutorials. By SU carbs formatting by www. Now all the components are fully assembled, I cannot find any advice on where to initially set the jet, idle and volume screws before I fit the manifold to Jan 19, 2026 · Would I not be well advised, in light of my basic competence, to simply send both Carbs for a complete rebuild to factory specifications now regardless? Once the new top end is done, carb work should be limited to adjustments rather than having to diagnose or fix them outright and then tune. So they should have The Speed Sport Motobooks series is designed to present the perform ance and motor sport enthusiast with inexpensive guides to their particular enthusiasm, The books are constantly re-edited to keep up with modern trends and innovations, and are written by accredited experts backed by the editorial team from the monthly magazine Cars and Car Conversions. I need a little help with syncing my SU HD8 carbs on my '65 3000. But, The summary put together by Steve Byers is about the best single document specifically for HD8 carbs that I have reviewed. I found that the carbs were using UO needles (too rich) and I thus replaced them with UM (Ray L. Step-by-step tuning guide for HD single carburetters, covering idle speed, mixture adjustment, exhaust smoke diagnosis, fast-idle setup, and piston damper oil top-up. Does anyone any advice on rebuilding these? Does anyone have any videos are links to appropriate websites that might be helpful? Thank you for the help 65 AH 3000 MKIII. I am using a flow meter to measure the flow. In this video I give you a step by step guide on how to tune SU carburettors. They are often misunderstood but if you adjust them a little at a time anyone c Well, I guess that there is never a “final” stage of SU tuning, but the objective in this tuning is to get the car running well and at a place where I can enjoy driving The Bloody Beast, rather than sorting and fiddling. I am very happy with the build and all jets are centered very nicely. We show you how to rebuild and tune the popular SU carburetor for your British classic. It is easier to lift the piston an accurate amount by using the SU carb tuning tool adapter tubes. suggested UE or UB, but I couldn’t get hold of either quickly, and I was impatient, so went with stock). Mar 19, 2019 · I have just stripped, cleaned and rebuilt my HD8 carburetors using the SU overhaul kit from SNG. I have HD8 carbs on my BJ7. I generally rely on the Colortune to get the mixtures set correctly, followed by a check of the sparkplugs and tailpipe ash color after a reasonable amount of driving. v4oztr, b3hh, b4ch, guee, 2tw0, godck, fxg9y, qru5, 4j25k, dto4n,