650 Holley possible float problem????
Had a 1976 L-82, 4-sp
Joined: Mar 2011
Posts: 5,338
Likes: 1,213
From: Some days your the dog and some days your the hydrant.
Royal Canadian Navy
Did you replace the needle/seat assembly? Could be momentarily stuck open and then closing due to wear. Just went through a similar problem last night except the needle/seat was stuck open with a piece of debris that got past the fuel filter. Car was stumbling due to flooding at highway speeds. Finally stalled on the off ramp coming to a traffic light. Wow, talk about fuel pouring into the primaries just after shut down!
Thread Starter
Racer
Joined: Mar 2008
Posts: 487
Likes: 48
From: Ocala Florida
Just now pulled off both ends to check the needle and seat. Both are clean and appear to be seating OK. However, I did notice the the front float was touching the little white plastic cover over the needle/seat before it was completely at the top. Won't know if this is the problem till I get a chance to take it out for a spin but we will see.
Thanks for the info guys!!
Thanks for the info guys!!
Burning Brakes
Joined: Dec 2004
Posts: 1,031
Likes: 13
From: Milton GA
The float levels were set according to the instruction sheet that came with the rebuild kit. Since it is a 4175 spreadbore the only way to set the floats is to remove both bowel covers. I then turned them upside down and measured 3/8" gap at the bottom and set accordingly. I also checked to make sure neither of the floats were filled with fuel and leaking. Everything looked good .
