Author
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Topic: possible vaccine leak
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gypsy88
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Member # 13891
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posted
I installed a off road h pipe. Now there is a noise that I am guessing is from the vaccum line that goes to the sensor coming off the stock hpipe. How do I get it to go away. Doesn't do it at idle just when I'm getting on the gas.
Posts: 58 | From: rocklin | Registered: Dec 2014
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92_5.0
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Member # 7624
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posted
Do you mean exhaust leak?
-------------------- Infineon/Sears point? same difference! 11.8 @ 115 mph @ Sac Raceway 411 rwhp 402 trq (old set up) 540 rwhp 517 rwtrq (new set up) ET's to come
Posts: 1629 | From: bay area | Registered: May 2007
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gypsy88
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Member # 13891
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posted
Guess it could be... I'm not sure it's sound like it's on the throttle body side
Posts: 58 | From: rocklin | Registered: Dec 2014
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fordfiveoh
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Member # 13107
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posted
Did you reattach the smog pipe that goes from your smog pump to your h-pipe? Or o2 sensors? That would give you a pretty loud exhaust leak.
Posts: 180 | From: Vallejo, CA | Registered: Aug 2013
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gypsy88
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Member # 13891
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posted
No I didn't reattach to the smog pump... [ 2015-06-03, 04:31 PM: Message edited by: gypsy88 ]
Posts: 58 | From: rocklin | Registered: Dec 2014
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gypsy88
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Member # 13891
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posted
Is it bad to drive it like that
Posts: 58 | From: rocklin | Registered: Dec 2014
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Blind
2.3L CAFords OG
Member # 3052
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posted
lol, vaccine leak
-------------------- 89 LX Notchback ex 4cyl, 14psi 02 Harley F150, 15psi
Posts: 8521 | From: Fairfield | Registered: Jul 2003
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gypsy88
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Member # 13891
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posted
Lol yea miss spelled on accident.... couldn't figure out how to edit it..
So I guess it's my smog pump just pumping into the engine bay... that's ok to leave for now?
Posts: 58 | From: rocklin | Registered: Dec 2014
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92_5.0
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Member # 7624
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posted
quote: Originally posted by gypsy88: Lol yea miss spelled on accident.... couldn't figure out how to edit it..
So I guess it's my smog pump just pumping into the engine bay... that's ok to leave for now?
Plug it or reattach the pipe. It sounds like crap and robs performance
-------------------- Infineon/Sears point? same difference! 11.8 @ 115 mph @ Sac Raceway 411 rwhp 402 trq (old set up) 540 rwhp 517 rwtrq (new set up) ET's to come
Posts: 1629 | From: bay area | Registered: May 2007
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gypsy88
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Member # 13891
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posted
My new hpipe doesn't have a spot to plug it back into
Posts: 58 | From: rocklin | Registered: Dec 2014
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gypsy88
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Member # 13891
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posted
So if my hpipe doesn't have a spot for it what can I do so it's not so loud...?
Posts: 58 | From: rocklin | Registered: Dec 2014
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fordfiveoh
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Member # 13107
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posted
If there isn't a provision for the smog pipe then the loudness isn't the issue there. I would check to make sure you don't have an exhaust leak elsewhere. Use a smoke detector around your headers, collector, mid pipe to mufflers to find where the leak is.
Posts: 180 | From: Vallejo, CA | Registered: Aug 2013
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gypsy88
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Member # 13891
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posted
There's a line coming off the smog pump and it tees. On line goes around the engine and the other is suppose to plug into the hpipe but I don't have that one hooked up so it's pumping air out of it.
Posts: 58 | From: rocklin | Registered: Dec 2014
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510.86.notch
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Member # 9892
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posted
quote: Originally posted by gypsy88: There's a line coming off the smog pump and it tees. On line goes around the engine and the other is suppose to plug into the hpipe but I don't have that one hooked up so it's pumping air out of it.
You have to delete smog pump now.its just pumping air.you can bypass it with a shorter belt.do a Google search or maybe someone can post the size.good luck.
-------------------- 91 mustang coupe 84 mustang svo 89 mustang.4cyl5speed. 87 thunderbird turbo coupe-sold 86 mustang GT hatch-sold-kinda 86 mustang coupe-sold
Posts: 1062 | From: san leandro | Registered: Apr 2010
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gypsy88
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Member # 13891
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posted
I also have underdrive pulleys so I guess I need to go try a couple
Posts: 58 | From: rocklin | Registered: Dec 2014
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510.86.notch
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Member # 9892
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quote: Originally posted by gypsy88: I also have underdrive pulleys so I guess I need to go try a couple
Yea,even with stock pulleys I had to get a few different belts.nothing a few trips to the parts store can't fix.
-------------------- 91 mustang coupe 84 mustang svo 89 mustang.4cyl5speed. 87 thunderbird turbo coupe-sold 86 mustang GT hatch-sold-kinda 86 mustang coupe-sold
Posts: 1062 | From: san leandro | Registered: Apr 2010
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