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techtalk:ref:carb07 [2019/08/11 00:13] hippysmack [The Process] |
techtalk:ref:carb07 [2019/08/18 20:34] hippysmack [The Process] |
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====== REF: Carburetor, Intake Manifold & Exhaust ====== | ====== REF: Carburetor, Intake Manifold & Exhaust ====== | ||
====== CV Carb Upgrades ====== | ====== CV Carb Upgrades ====== | ||
- | ====== Replacing the Plastic Fuel Inlet Fitting ====== | + | ====== Replacing the Plastic Fuel Inlet Fitting with a Brass 90 Degree Fitting ====== |
The factory fuel elbow found on CV carburetors has been prone to cracking and leaking. \\ | The factory fuel elbow found on CV carburetors has been prone to cracking and leaking. \\ | ||
Also the manner in which the plastic elbow is formed onto a brass insert restricts flow. \\ | Also the manner in which the plastic elbow is formed onto a brass insert restricts flow. \\ | ||
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The plastic attached to the brass nipple can crack or break off when removing the original crimp clamp or if over tightened. \\ | The plastic attached to the brass nipple can crack or break off when removing the original crimp clamp or if over tightened. \\ | ||
Stress can also break it while removing / installing the carb if the attached hose gets caught on something and pulled. \\ | Stress can also break it while removing / installing the carb if the attached hose gets caught on something and pulled. \\ | ||
- | Replacing the factory elbow with a brass one will increase gas flow (especially with a vacuum-less petcock). \\ | + | Replacing the factory elbow with a brass one can increase gas flow (especially with a vacuum-less petcock). \\ |
| Factory plastic fuel inlet elbow. ((photo by Hippysmack)) | | | Factory plastic fuel inlet elbow. ((photo by Hippysmack)) | | ||
|{{:techtalk:ref:carb:cv_fuel_inlet_elbow_mod_7_by_hippysmack.jpg?direct&300|}}| | |{{:techtalk:ref:carb:cv_fuel_inlet_elbow_mod_7_by_hippysmack.jpg?direct&300|}}| | ||
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You need an elbow designed for this application for best results. \\ | You need an elbow designed for this application for best results. \\ | ||
- | CV Performance sells an elbow and a hose clamp as a kit. \\ | + | The MoCo may still sell both an OEM and brass inlet that can be pressed in (arbor press or large vise). \\ |
- | You can also buy a kit on the internet / Ebay that includes the tap, bolt and spacer setup along with the elbow. \\ | + | Some catalogs carry an OEM replacement inlet but it has the same plastic elbow (not recommended). \\ |
+ | While others sell a brass inlet made from a 2-piece design (also not recommended). \\ | ||
+ | CV Performance sells a solid elbow and a hose clamp as a kit. \\ | ||
+ | You can also buy a kit on the internet / Ebay that includes the tap, bolt and spacer setup along with a solid elbow. \\ | ||
Or check your local Harley Dealership for a replacement elbow. \\ | Or check your local Harley Dealership for a replacement elbow. \\ | ||
|CV Performance elbow ((photo by Hippysmack))|Aftermarket kit off Ebay. ((photo by Hippysmack))| | |CV Performance elbow ((photo by Hippysmack))|Aftermarket kit off Ebay. ((photo by Hippysmack))| | ||
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Once the piece begins to move it will pull out like butter. ((photos by Hippysmack)) \\ | Once the piece begins to move it will pull out like butter. ((photos by Hippysmack)) \\ | ||
Once the nipple is out, you may have to 'pop' the spacer of as it may wedge against the carb. \\ | Once the nipple is out, you may have to 'pop' the spacer of as it may wedge against the carb. \\ | ||
+ | |||
+ | A socket may be used as a spacer with the appropriate length bolt. \\ | ||
+ | {{:techtalk:ref:carb:socket_as_spacer_for_removing_cv_carb_inlet_by_matt_black.jpg?direct&300|}} ((photo by Matt Black of the XLFORUM http://xlforum.net/forums/showthread.php?p=5685578&highlight=fuel+inlet+elbow#post5685578)) \\ | ||
{{:techtalk:ref:carb:cv_fuel_inlet_elbow_mod_17_by_hippysmack.jpg?direct&300|}} {{:techtalk:ref:carb:cv_fuel_inlet_elbow_mod_18_by_hippysmack.jpg?direct&300|}} {{:techtalk:ref:carb:cv_fuel_inlet_elbow_mod_19_by_hippysmack.jpg?direct&300|}} | {{:techtalk:ref:carb:cv_fuel_inlet_elbow_mod_17_by_hippysmack.jpg?direct&300|}} {{:techtalk:ref:carb:cv_fuel_inlet_elbow_mod_18_by_hippysmack.jpg?direct&300|}} {{:techtalk:ref:carb:cv_fuel_inlet_elbow_mod_19_by_hippysmack.jpg?direct&300|}} |