cquisuila Posted March 25, 2021 Share Posted March 25, 2021 Hello What's the INTERNAL diameter of the hose fuel on RIVIERA 1966 please ? Philip Link to comment Share on other sites More sharing options...
mobileparts Posted March 25, 2021 Share Posted March 25, 2021 If it hasn't been monkeyed with --- 5/16".... Link to comment Share on other sites More sharing options...
telriv Posted March 25, 2021 Share Posted March 25, 2021 From my memory it's 3/8ths. from the tank all the way to the carb. Just remember to use the good Fuel Injection Hose. Unless the fuel you normally use is not laced with alcohol. Tom T. Link to comment Share on other sites More sharing options...
cquisuila Posted March 25, 2021 Author Share Posted March 25, 2021 ;) 3/8 (9.53 mm) or 5/16(7.95 mm) ?? ° .° Link to comment Share on other sites More sharing options...
JZRIV Posted March 25, 2021 Share Posted March 25, 2021 This is what I documented when I did my car. So as long as I didn't make a typo..... 3/8 to pump inlet. 5/16 from pump to filter and filter to carb 1/4" return all the way You probably know these hoses snake through the right front coil spring tower and are clamped inside up high. I've got the clamp loosened and fished them through but it is VERY challenging with the coil spring in place. Probably easier to remove spring or just take a different route. Link to comment Share on other sites More sharing options...
jframe Posted March 25, 2021 Share Posted March 25, 2021 I second what Jason said. I have a 65 I just replaced the hose from pump to carb, and it was 5/16 all the way. 3/8 from tank to pump. Link to comment Share on other sites More sharing options...
cquisuila Posted March 26, 2021 Author Share Posted March 26, 2021 ok !! thanks ! Link to comment Share on other sites More sharing options...
cquisuila Posted April 23, 2021 Author Share Posted April 23, 2021 i confirm the 1/4 return hose from tank Link to comment Share on other sites More sharing options...
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