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Q-jet dries up,
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daviscj7
I watched NASCAR once
| Posts: 2
| Joined: 06/08
Posted: 06/23/08
11:00 AM
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Hello all i have built a ho street engine 350 sbc with new dart 220 heads 2.05 intake 1.6 exhaust valves 72 cc dome pistons .125 dome cam is a #11 .552 intake .561 exaust lift with i added 1.6 roller rockers stainless steel to raise lift to @ .584i & .594e duration is .293,.298.
My problem is when running WOT my q-jet dries up no gas in bowl.I am verry knollageable with q-jets and have tried everything any ideas if so please help me fix this issue.
I am running a pro comp 140 gph pump mechanical.
I first tried a holly double pumper and it will not let my engine tach past 6000 rpm's but the q-jet goes much higher than that when it does not dry up any ideas.
Gotta go for now but will check back a little latter today thanks Daviscj7
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PoundPuppies
I watched NASCAR once
| Posts: 7
| Joined: 06/08
Posted: 07/06/08
08:20 PM
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Do you have the Doug Roe book? It was very helpful for me when I rebuilt mine. It addressed a number of common problems. I don't know much about Qjets but managed to get a good running carb with the help of that book. Good luck.
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daviscj7
I watched NASCAR once
| Posts: 2
| Joined: 06/08
Posted: 07/27/08
05:58 PM
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I got it figured out i had the air valve door spring tintion set way to loose and it would slam the secondaries open to early and this was allowing all 4 barrals to suck the fuel bowl area dry.I had the tention set at 1/8th turn past zerro tention went to 3/4ths turn after air valve door closed with no tention this fixed my issue.
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