How to Build & Power Tune Weber & Dellorto Dcoe, Dco/Sp & Dhla Carburettors 3rd Edition
Veloce (Verlag)
978-1-84584-959-7 (ISBN)
Des Hammill is a professional engineer with huge experience of building successful and reliable racing engines and solving the problems associated with all aspects of high performance applications. Des has written many of Veloce's SpeedPro series books.
(c) Des Hammill & Veloce Publishing
CHAPTER 1: KNOW YOUR CARBURETOR - STRIPDOWN & INSPECTION 14
Know your carburetor - major
components 14
Chokes and auxiliary venturis 14
Idle mixture adjusting screws 15
Main jet, emulsion tube & air
corrector 15
Progression hole inspection
covers 16
Idle jet 17
Accelerator pump jets 18
Accelerator pump 19
Floats 20
Needle & seat 22
Stripdown - general advice 22
Cleaning components 22
Fuel enrichment devices
- special note 24
Stripdown procedure 25
Fuel enrichment device
- blocking off discharge holes
(Weber only) 26
Inspecting components for wear
and damage 27
Weber & Dellorto 27
Weber only 27
Dellorto only 27
Difficult procedures 27
Clearing passageways 27
Throttle butterfly, spindle &
bearings - maintenance,
removal & refitting 28
Removing damaged threaded components 34
Removing jammed chokes and
auxiliary venturis 35
CHAPTER 2: REBUILDING 37
Needle valve & seat (Dellorto) 37
Floats & fulcrum pin (Dellorto) 37
Fulcrum pin - checking 37
Floats - checking 37
Floats & pin - fitting 38
Float level - setting (Dellorto) 38
Top cover (Dellorto) 39
Body components (Dellorto) 39
Needle valve & seat (Weber) 44
Floats & fulcrum pin (Weber) 44
Fulcrum pin - checking 44
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Floats - checking 44
Floats and fulcrum pin - fitting 45
Float level - setting (Weber) 45
Top cover (Weber) 45
Body components (Weber) 49
CHAPTER 3: FUEL
MANAGEMENT, AIR
FILTERS & RAM TUBES 54
Fuel filters 54
Fuel lines (pipes) & fittings 54
Air filters 55
Ram tubes (stacks) 56
Fuel pressure 56
CHAPTER 4: CHOOSING THE
COMPONENTS FOR YOUR
CARBURETOR/S 58
Components - initial selection 58
Choke size versus carburetor
size 58
Choke size - selecting 59
Idle jet - selecting 61
Idle jet codes (Weber) 61
Idle jet codes (Dellorto) 62
Idle jet & air bleed component
- selection 62
Idle mixture and progression
holes 63
Idle screw adjustment
procedure 64
Main jet - selection 64
Emulsion tube - selection 64
Air corrector - selection 65
Auxiliary venturi - selection 66
Accelerator pump jet
- selection 68
Accelerator pump intake/
discharge valve 69
Needle valve - selection 69
CHAPTER 5: MANIFOLD
PREPARATION &
CARBURETOR FITTING 70
Intake manifold - checking &
preparation 70
The importance of stud
alignment 70
Carburetor - checking fit 71
Anti-vibration mountings 73
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Carburetor/s - fitting to
manifold 74
CHAPTER 6: TESTING
& SET-UP 75
Idle speed 75
Fuel level & needle valve
operation - checking 75
Throttle - initial adjustment
and synchronization 76
Throttle arm fit 76
Throttle - initial setting
(single carburetor) 76
Throttle - initial set-up &
synchronization (multiple
carburetors) 76
Idle mixture - initial
adjustment 76
Throttle (linked throttle arm
type) - final synchronization 79
Throttle (bar & pushrod type)
- final synchronization 81
Full throttle check 82
Idle jet alteration (fuel
component) 82
Ignition timing - general 83
Idle jets/air bleeds - final
selection 84
Weber 85
Dellorto 86
Idle mixture screws
- final setting 87
Accelerator pump jets
- final selection 88
CHAPTER 7: TESTING & PROBLEM SOLVING 90
Rolling road (dyno) testing
procedure 90
Track testing procedure 91
Solving problems
- low to mid-range rpm 91
Solving problems
- high rpm 92
Webers - fuel leakage from
fuel enrichment device 92
Webers - adapting for off-road
applications 93
Return springs 94
Tuning by exhaust gas co% 94
Maintenance 95
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CHAPTER 8: JETTING/SETTING
EXAMPLES 96
BMC/Rover A-Series 1275cc
engine (Weber) 96
Ford 'Pinto' 2000cc SOHC
standard engine (Weber) 97
Ford 'Pinto' 2000cc SOHC
standard engine (Dellorto) 97
Vauxhall 2000cc 16v engine
(Dellorto) 97
Ford RS 2000cc SOHC Escort 98
Ford Sierra Cosworth 2000cc
(naturally aspirated)(Weber) 98
BMC B-Series 1900cc MGB
engine (Weber) 98
Toyota 4A-GE 1600cc 16-valve
MR2 engine (Weber) 98
MG 1940cc alloy 8 port
Magnette engine 98
Ford 1600cc Crossflow engine
(Weber) 99
Jaguar XK 3.8 litre engine
(Dellorto) 99
Ford 1628cc Crossflow engine
(Weber) 99
Ford 'Pinto' 2100cc engine fitted
to Formula 27 sports car
(Dellorto) 99
2000cc Ford Sierra Cosworth racing engine (Dellorto) 99
Ford 1760cc Crossflow engine
(Dellorto) 100
BMC/Rover 1275cc A-series engine
(Dellorto) 100
DETAILS OF COMPLEMENTARY
SPEEDPRO BOOKS 101-108
GLOSSARY OF TERMS 109
INDEX 111-112
(c) Des Hammill & Veloce Publishing
| Erscheinungsdatum | 13.07.2018 |
|---|---|
| Reihe/Serie | Speedpro |
| Sprache | englisch |
| Maße | 207 x 250 mm |
| Gewicht | 484 g |
| Themenwelt | Sachbuch/Ratgeber ► Beruf / Finanzen / Recht / Wirtschaft |
| Natur / Technik ► Fahrzeuge / Flugzeuge / Schiffe ► Auto / Motorrad | |
| Technik ► Fahrzeugbau / Schiffbau | |
| ISBN-10 | 1-84584-959-0 / 1845849590 |
| ISBN-13 | 978-1-84584-959-7 / 9781845849597 |
| Zustand | Neuware |
| Haben Sie eine Frage zum Produkt? |
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