The only advantage is under race conditions usually. At the top of the 1/4 all the inertia is pushing the fuel to the rear & if the volume is reducedtelriv Today, 02:45 AM
I think you may have been mis-lead. Fuel pressure has NO bearing on power as long as it is in spec. The fuel pump's job is to keep the carburetor bowlTexasJohn55 Yesterday, 07:49 PM
Have a rebuilt top motor from my 64 skylark. It works good now, but replacing hoses and wonder about dirt in the system from the when the motor was rebuilt.crawdadman Yesterday, 03:35 PM
After doing a little research on fuel return lines I'm a little confused..........I could order the stock 1/4'' return from yr one but I read some forums66 buick guy Yesterday, 02:14 PM
You can do this with a 263 (using 53 Special parts), but not a 320, because the 320 bellhousing bolt pattern is different.
For the rear,
General Specifications for the 198 and 225 Cubic Inch V-6. The following information has been directly complied from original Buick service manuals. ...