{"id":227,"date":"2021-06-12T13:57:51","date_gmt":"2021-06-12T13:57:51","guid":{"rendered":"http:\/\/server.okisam.com\/2021lowerheiser\/?p=227"},"modified":"2026-10-21T19:21:51","modified_gmt":"2026-10-21T19:21:51","slug":"walbro-carburetors-loweheiser-throttle-body","status":"publish","type":"post","link":"https:\/\/www.loweheiser.com\/fr\/carburateurs-walbro-loweheiser-corps-papillon\/","title":{"rendered":"Carburateurs Walbro et bo\u00eetiers papillon EFI : r\u00e9f\u00e9rence dimensionnelle"},"content":{"rendered":"

Choisir un bo\u00eetier papillon EFI pour remplacer un carburateur Walbro ne se limite pas \u00e0 un diam\u00e8tre nominal. Entraxe, conduit d\u2019admission, actionnement et espace disponible comptent \u00e9galement.<\/p>\n

Diam\u00e8tre d\u2019entr\u00e9e, venturi et passage du papillon : des mesures distinctes<\/h2>\n

A carburetor passage can have different diameters at the inlet, venturi and throttle butterfly. The venturi is the narrowed section used in fuel metering; it should not be confused with the throttle bore or the diameter of the engine’s intake interface.<\/p>\n

Une conversion EFI utilise un injecteur pour doser le carburant, mais cela ne garantit pas \u00e0 lui seul une puissance sup\u00e9rieure. Le r\u00e9sultat d\u00e9pend de l\u2019admission compl\u00e8te, du moteur et de la calibration.<\/p>\n

V\u00e9rifiez les fixations sur le mat\u00e9riel r\u00e9el<\/h2>\n

L\u2019article original relevait plusieurs fixations Walbro, notamment des entraxes de 31 mm et 46 mm. Ce sont des observations de r\u00e9f\u00e9rence, pas une r\u00e8gle pour toutes les s\u00e9ries et versions. Confirmez la r\u00e9f\u00e9rence et mesurez le carburateur et le moteur \u00e0 convertir.<\/p>\n

Tableau historique des dimensions de carburateurs<\/h2>\n

Le tableau conserve les mesures originales en millim\u00e8tres. Il ne s\u2019agit pas d\u2019un catalogue fabricant nouvellement valid\u00e9. Les cellules vides ou ambigu\u00ebs n\u00e9cessitent confirmation et les r\u00e9f\u00e9rences r\u00e9p\u00e9t\u00e9es doivent \u00eatre v\u00e9rifi\u00e9es sur le composant r\u00e9el.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n
WT WTA WA<\/strong><\/td>\n<\/tr>\n
Diam\u00e8tre d\u2019entr\u00e9e avec volet de d\u00e9part<\/td>\nVenturi<\/td>\nDiam\u00e8tre de passage du papillon<\/td>\nCarburateurs<\/td>\n<\/tr>\n
19,05<\/td>\n6,35\/7,14<\/td>\n11,1<\/td>\nWT 366-1, WT 456-1<\/td>\n<\/tr>\n
19,05<\/td>\n7,94<\/td>\n14,29\/12,7<\/td>\nWT 35-1, WT 38-1, WT 204-1, WT 357-1, WT 367-1, WT 381-1, WT 385-1, WT 417-1, WT 449-1, WT 450-1<\/td>\n<\/tr>\n
19,05<\/td>\n9,53<\/td>\n14,29<\/td>\nWT 35-1, WT 38-1, WT 204-1, WT 357-1, WT 367-1, WT 381-1, WT 385-1, WT 417-1, WT 449-1, WT 450-1<\/td>\n<\/tr>\n
19,05<\/td>\n11,11<\/td>\n15,84<\/td>\nWT 29-1, WT 356-1, WT 358-1, WT 464-1, WT 516-1, WT 517-1, WT 527-1, WT 613-1<\/td>\n<\/tr>\n
19,05<\/td>\n12,7<\/td>\n15,84<\/td>\nWt 513-1, Wt 537-1<\/td>\n<\/tr>\n
19,05<\/td>\n13,49<\/td>\n17,44<\/td>\nWt 171-1, Wt 172-1, Wt 228-1, Wt 285-1, WT 529-1, Wt 451-1, Wt 480-1, Wt 540-1, Wt 542-1, Wt 555-1, Wt 610-1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\n\n\n\n\n\n\n\n\n\n\n\n
HDA HD<\/strong><\/td>\nNon renseign\u00e9<\/td>\nNon renseign\u00e9<\/td>\nNon renseign\u00e9<\/td>\n<\/tr>\n
Diam\u00e8tre d\u2019entr\u00e9e avec volet de d\u00e9part<\/td>\nVenturi 0<\/td>\nDiam\u00e8tre de passage du papillon<\/td>\nNon renseign\u00e9<\/td>\n<\/tr>\n
17,44<\/td>\n11,11<\/td>\n15,84<\/td>\nNon renseign\u00e9<\/td>\n<\/tr>\n
17,44<\/td>\n12,7<\/td>\n17,44\/15,84<\/td>\nNon renseign\u00e9<\/td>\n<\/tr>\n
19,01\/17,44<\/td>\n13,49<\/td>\n17,44<\/td>\nNon renseign\u00e9<\/td>\n<\/tr>\n
19,01<\/td>\n15,08<\/td>\n19<\/td>\nNon renseign\u00e9<\/td>\n<\/tr>\n
19,01<\/td>\n15,08<\/td>\n19<\/td>\nHDA-48B<\/td>\n<\/tr>\n
22,19<\/td>\n15,88<\/td>\n19,01<\/td>\nHDA-77B<\/td>\n<\/tr>\n
22,19<\/td>\n16,77<\/td>\n20,56<\/td>\nHDA-63<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\n\n\n\n\n\n\n\n\n\n\n
WJ<\/strong><\/td>\nNon renseign\u00e9<\/td>\nNon renseign\u00e9<\/td>\nNon renseign\u00e9<\/td>\n<\/tr>\n
Diam\u00e8tre d\u2019entr\u00e9e avec volet de d\u00e9part<\/td>\nVenturi 0<\/td>\nDiam\u00e8tre de passage du papillon<\/td>\nNon renseign\u00e9<\/td>\n<\/tr>\n
22,19<\/td>\n14,29\/15,08\/<\/td>\n19,01<\/td>\nNon renseign\u00e9<\/td>\n<\/tr>\n
22,19<\/td>\n15,88<\/td>\n20,56<\/td>\nNon renseign\u00e9<\/td>\n<\/tr>\n
22,19<\/td>\n16,67<\/td>\n21,43<\/td>\nNon renseign\u00e9<\/td>\n<\/tr>\n
22,19<\/td>\n17,46<\/td>\n21,43<\/td>\nWJ-64<\/td>\n<\/tr>\n
23,38<\/td>\n18,26<\/td>\n21,43<\/td>\nWJ-71<\/td>\n<\/tr>\n
23,38<\/td>\n19,05<\/td>\n21,43<\/td>\nNon renseign\u00e9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\n\n\n\n\n\n\n\n\n
WG<\/strong><\/td>\nNon renseign\u00e9<\/td>\nNon renseign\u00e9<\/td>\nNon renseign\u00e9<\/td>\n<\/tr>\n
Diam\u00e8tre d\u2019entr\u00e9e avec volet de d\u00e9part<\/td>\nVenturi 0<\/td>\nDiam\u00e8tre de passage du papillon<\/td>\nNon renseign\u00e9<\/td>\n<\/tr>\n
31,9<\/td>\n21,67<\/td>\n26,7<\/td>\nNon renseign\u00e9<\/td>\n<\/tr>\n
30,3<\/td>\n21,67<\/td>\n28,14<\/td>\nNon renseign\u00e9<\/td>\n<\/tr>\n
31,9<\/td>\n21,67<\/td>\n26,7<\/td>\nNon renseign\u00e9<\/td>\n<\/tr>\n
30,3<\/td>\n21,67<\/td>\n26,7<\/td>\nNon renseign\u00e9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\n\n\n\n\n\n\n\n\n
WB<\/strong><\/td>\nNon renseign\u00e9<\/td>\nNon renseign\u00e9<\/td>\nNon renseign\u00e9<\/td>\n<\/tr>\n
Diam\u00e8tre d\u2019entr\u00e9e avec volet de d\u00e9part<\/td>\nVenturi 0<\/td>\nDiam\u00e8tre de passage du papillon<\/td>\nNon renseign\u00e9<\/td>\n<\/tr>\n
28,6<\/td>\n20,64<\/td>\n25,4<\/td>\nNon renseign\u00e9<\/td>\n<\/tr>\n
28,6<\/td>\n21,43<\/td>\n25,4<\/td>\nNon renseign\u00e9<\/td>\n<\/tr>\n
28,6<\/td>\n23,84<\/td>\n25,4<\/td>\nNon renseign\u00e9<\/td>\n<\/tr>\n
32<\/td>\n25,4<\/td>\n28<\/td>\nWB-37<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

D\u2019une dimension de r\u00e9f\u00e9rence \u00e0 une configuration EFI op\u00e9rationnelle<\/h2>\n

Utilisez le tableau pour identifier les questions \u00e0 poser au fournisseur, puis confirmez mat\u00e9riel, alimentation en carburant, exigences \u00e9lectriques et calibration propres au moteur. Consultez les syst\u00e8mes EFI L\u00f6weheiser<\/a> et les options de moteurs EFI<\/a>.<\/p>\n

Pour les r\u00e9f\u00e9rences class\u00e9es par mod\u00e8le moteur, consultez le tableau de conversion EFI des petits moteurs<\/a>.<\/p>\n

Parlons de votre application<\/h2>\n

Envoyez-nous le mod\u00e8le du moteur, le carburant pr\u00e9vu, les conditions de fonctionnement et les d\u00e9tails d\u2019installation disponibles. \u00c9changez avec L\u00f6weheiser sur votre configuration<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"

Comprenez les diam\u00e8tres et fixations des carburateurs Walbro gr\u00e2ce \u00e0 un tableau historique pour discuter d\u2019une conversion vers un bo\u00eetier papillon EFI.<\/p>","protected":false},"author":4,"featured_media":228,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-227","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sin-categoria"],"yoast_head":"\nWalbro to EFI Throttle Body Dimensions | L\u00f6weheiser<\/title>\n<meta name=\"description\" content=\"Understand Walbro carburetor bore 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