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05-27-2004, 09:32 PM
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#1 |
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i love summertime
Join Date: Jul 2002
Location: Kelowna BC
Posts: 4,302
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sucking air sound?
im trying to work all the bugs out of my 67, its only been on the road a couple days and im still getting to learn all its little things, one question i have is when the engine is running i can hear air sucking, its pretty loud too, compared to any other small block ive heard anyways, we took the air cleaner off and covered the barrels to cut off all air flow and the motor almost stalled, i dont think there is any vaccumm leaks, so is this normal? my buddy who is an apprencise mechanic said it might be running lean or there could be a vacuum leak someone and to spray carb cleaner or something like it around the intake etc and see if it revs up at all, anyone have any ideas?
thanks, DEREK
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1967 shortbox stepside Chevy, 365 hp 327, th400. GLOVE BOX LIGHTS FORSALE, click link for info http://67-72chevytrucks.com/vboard/s...d.php?t=273724 |
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05-27-2004, 10:12 PM
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#2 |
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Registered User
Join Date: Nov 2002
Location: Kelowna B.C. Canada
Posts: 1,086
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Hey Derek, great to hear your on the road! This might sound funny but take an old piece of garden hose or tubing 6 feet long or whatever length, stick one end to your ear and run the other end around the base of your intake and listen (maybe you already tried this) it might help, later Doug
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05-27-2004, 10:49 PM
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#3 |
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i love summertime
Join Date: Jul 2002
Location: Kelowna BC
Posts: 4,302
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doug i havent yet, ill give it a try, hey maybe this weekend ill swing by and show ya the truck if its nice and sunny out, i allready hate driving it in the rain
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1967 shortbox stepside Chevy, 365 hp 327, th400. GLOVE BOX LIGHTS FORSALE, click link for info http://67-72chevytrucks.com/vboard/s...d.php?t=273724 |
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05-27-2004, 11:13 PM
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#4 |
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Registered User
Join Date: Jan 2004
Location: Garland TX Dallas area
Posts: 658
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your buddy is right that is the fastest and easiest way. check the vac line to the trans if you have one.
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05-27-2004, 11:37 PM
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#5 |
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Its Magically Delicious
Join Date: Jan 2003
Location: oregon
Posts: 2,398
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are you running an open element air cleaner ???
I've noticed more noise with those ..then with the stock air cleaner housing ....
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71 C10 LWB 350sbc -TH350 12 bolt 3.42 Posi Of all my favorite things to do, The utmost is to have a brew. My love grows for my foamy friend, with each thirst-quenching elbow bend. Beer so frosty, smooth, and cold it's paradise pure liquid gold. Yes beer means many things to me that's all for now cus I gotta pee. |
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05-28-2004, 01:10 AM
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#6 |
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i love summertime
Join Date: Jul 2002
Location: Kelowna BC
Posts: 4,302
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i got a friends dad to look at it, he is a mechanic, he thinks i have the wrong gasket between the intake and carb, we listened with a stethescope and you can hear major sucking on the front of the carb right below the vacuum line, next week he is goign to help me take the carb off and put the right gasket on, its running fine though soi ll be okay until then, he is surprised that its running as smooth as it is, anyways will i notice hp gain and better gas mileage once this is fixed?
derek
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1967 shortbox stepside Chevy, 365 hp 327, th400. GLOVE BOX LIGHTS FORSALE, click link for info http://67-72chevytrucks.com/vboard/s...d.php?t=273724 |
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05-28-2004, 03:28 AM
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#7 |
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Registered User
Join Date: Nov 2002
Location: Kelowna B.C. Canada
Posts: 1,086
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Thats great news. Ya drop by on the weekend, I'll be fixing my freakin leakin roof now with all the rain we got (truck gets put on backburner AGAIN!!) Later Doug
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