Author Topic: Cliff, need you advice on needle seat  (Read 1697 times)

Offline Mr.Pontiac

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Cliff, need you advice on needle seat
« on: July 11, 2012, 06:50:12 PM »
ok, i was tinkering around with my 67 gto, got the new rear upper arms and stuff on so after a yr. i took top off and was thinking well i have .135 needle and seat in there ill try a .140 now it seems like car is loading up alot right off the bat. Idrilled the seat out to .140,  did i do wrong??? i have another .135 i can put in.thats all i did. To much gas for the motor?????

Offline Mr.Pontiac

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Re: Cliff, need you advice on needle seat
« Reply #1 on: July 11, 2012, 07:57:02 PM »
Cliff spent evening switching back to the .130 needle seat combo( sorry not .135) and its like a differant car, guess i just learned something NOT to do.

Offline Cliff Ruggles

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Re: Cliff, need you advice on needle seat
« Reply #2 on: July 13, 2012, 04:22:11 AM »
The size of the fuel inlet seat should NOT effect low speed operation in any way, unless it's leaking at the seat.  Make sure to vacuum and pressure test them after drilling and forming a new seat.....Cliff