JUSTIN Posted November 13, 2000 Share Posted November 13, 2000 65 riv 401 engine. eldenbrock 600cfm with the next size bigger jets. that is what my mechanic recommended. "smaller cfm and larger jets". what is that buying me. i dont want a race car. i want the best gas mileage possible. would it be worth it to change to smaller jets. how hard is that. i have no documentation on the carb. Link to comment Share on other sites More sharing options...
JUSTIN Posted November 16, 2000 Author Share Posted November 16, 2000 how about it folks? no ideas? Link to comment Share on other sites More sharing options...
Guest Posted November 16, 2000 Share Posted November 16, 2000 Justin, I have bolted one of it's twins like the Compitition AFB on too many engines to mention including 401s WITH NO MODIFICATIONS what so ever. Just bolt them on and, adjust the idle circuit and GO. That's the beauty of those carbs..no screwing with them. <P>My truck has one, I just bolted it on and and it runs 14.64 at 95 MPH in the 1/4 which is pretty respecable.<P>------------------<BR>buickfam@aol.com<BR>Life long Buick Fan.<BR>1965 Skylark H/T<BR>1965 Gran Sport Convertible<BR>1948 Chevy Pickup with 401 Buick. Link to comment Share on other sites More sharing options...
JUSTIN Posted November 17, 2000 Author Share Posted November 17, 2000 well thats the problem, the carb is not stock. the mechanic thought 600cfm was too small for the engine so he put bigger jets in. its running fine but do the jets hurt my gas mileage? and how do i change them? Link to comment Share on other sites More sharing options...
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