|
06-07-2007, 08:46 PM | #1 |
Live Reporter
Join Date: May 2006
Location: Dripping Springs, Tx
Posts: 2,697
Likes: 185
Liked 502 Times in 125 Posts
|
Q-jet problem
My quad (its a 207)started dripping out of the boosters today when I fired it up. This is the first time it has ever done this. Checked the float with no luck. I can rebuild a holley in my sleep, but this is the first q-jet Ive ever run. Any ideas. Thanks guys.
Ed Carpenter 66 Chevy II SS/H
__________________
Ed Carpenter 2005 Chevy Cobalt A/SM Race Engine Development |
06-07-2007, 09:21 PM | #2 |
Member
Join Date: Mar 2006
Location: EL PASO, TEXAS
Posts: 156
Likes: 0
Liked 2 Times in 2 Posts
|
A COUPLE OF QUICK THINGS TO CHECK , OBVIOUSLY YOU'VE CHECKED THE FLOAT LEVEL. 1) CHECK THE NEEDLE AND SEAT ESPECIALLY IF YOUR RUNNING THE .130 UNIT AS THEY MATE VERY CLOSELY WITH EACH OTHER AND COULD EASILY NOT SEAT CORRECTLY. 2) FUEL PUMP PRESSURE AS RELATED TO #1. 3) CHECK THE PRIMARY BUTTERFLY'S THEY MAYBE OPEN TOO FAR AND PUTTING A HEAVY "SIGNAL" ON THE BOOSTER TELLING IT TO PULL OVER. IF THAT'S THE CASE YOU WILL HAVE TO PLAY THE "HOLE" IN THE BUTTERFLY GAME TO CLOSE IT BACK TO NORMAL. 4) CHECK TO MAKE SURE THAT THE FLOAT IS NOT TAKING ON FUEL. HOPE ONE OR ALL OF THE ABOVE HELP......NORM |
06-07-2007, 09:22 PM | #3 |
Member
Join Date: Mar 2006
Location: EL PASO, TEXAS
Posts: 156
Likes: 0
Liked 2 Times in 2 Posts
|
A COUPLE OF QUICK THINGS TO CHECK , OBVIOUSLY YOU'VE CHECKED THE FLOAT LEVEL. 1) CHECK THE NEEDLE AND SEAT ESPECIALLY IF YOUR RUNNING THE .130 UNIT AS THEY MATE VERY CLOSELY WITH EACH OTHER AND COULD EASILY NOT SEAT CORRECTLY. 2) FUEL PUMP PRESSURE AS RELATED TO #1. 3) CHECK THE PRIMARY BUTTERFLY'S THEY MAYBE OPEN TOO FAR AND PUTTING A HEAVY "SIGNAL" ON THE BOOSTER TELLING IT TO PULL OVER. IF THAT'S THE CASE YOU WILL HAVE TO PLAY THE "HOLE" IN THE BUTTERFLY GAME TO CLOSE IT BACK TO NORMAL. 4) CHECK TO MAKE SURE THAT THE FLOAT IS NOT TAKING ON FUEL. HOPE ONE OR ALL OF THE ABOVE HELP......NORM |
06-07-2007, 11:08 PM | #4 |
VIP Member
Join Date: May 2006
Location: Murfreesboro TN
Posts: 4,904
Likes: 984
Liked 1,016 Times in 264 Posts
|
Ed, if you can, tell me what your float level is, what your needle and seat diameter is, what your fuel pressure is, what your idle RPM is, how many turns from having the butterflies fully closed it takes to get that idle speed, and if there are idle holes drilled in the butterflies. Also, what is your timing set on? It's REAL hard to fix one over the phone, nevermind the Internet, but I'll damned sure try.
Alan Roehrich Bring "AA" classes to NHRA Stock Eliminator!
__________________
Alan Roehrich 212A G/S |
07-08-2007, 07:41 PM | #5 |
Live Reporter
Join Date: May 2006
Location: Dripping Springs, Tx
Posts: 2,697
Likes: 185
Liked 502 Times in 125 Posts
|
Re: Q-jet problem
Alan call me please 512-517-8235
|
Thread Tools | |
Display Modes | |
|
|