{"product_id":"ressort-ameliore-pour-commande-de-gaz-mini-maxi","title":"6000+ RPM Governor Spring for Bosch VE automotive Pumps","description":"\u003cp\u003eStiffer spring for min-max throttle levers (governor mod). Selected and tested to slow down torque control and raise the cut-off RPM.\u003c\/p\u003e\n\u003cp\u003eFits almost every throttle lever found on car pumps. Direct replacement for the full-load spring (the large spring).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMore fuel from 2500-3000 RPM up to cut-off\u003c\/li\u003e\n\u003cli\u003eUp to 6000 RPM on car pumps with no other changes\u003c\/li\u003e\n\u003cli\u003eUp to 7000 RPM with the right setup\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e to make efficient power outside your engine's stock RPM range, you need the right injection timing and fuel supply.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy change the spring instead of using shims?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eShims (sometimes used from the factory) and spring choice do two different jobs:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003ePreload (shims)\u003c\/strong\u003e sets where governing starts: the RPM at which fuel per stroke begins to drop.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSpring rate\u003c\/strong\u003e sets how fast fuel per stroke drops.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFuel has to be cut back at high RPM because cylinder filling drops, which prevents smoke. A stiffer spring sharply reduces the stock governing, which is excessive for a performance build, while still keeping smoke in check.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpring sold alone.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Mazoutiers","offers":[{"title":"Default Title","offer_id":57452508381565,"sku":null,"price":24.7,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0867\/3299\/6914\/files\/IMG_3602-removebg-preview.png?v=1775034622","url":"https:\/\/mazoutiers.fr\/en\/products\/bosch-ve-6000-rpm-governor-spring","provider":"Mazoutiers","version":"1.0","type":"link"}