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5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

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Old 11-25-2011, 01:02 PM   #1
87 T TOP GT302
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Default Smog Pump Removal Question

My smog pump is on it last leg so i'm going to replace it with the smog pump delete kit .My question is what to do about back of heads ?I've still got the tube but how do I block the holes off ?Thanks for looking and responding.
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1987 GT W/T Tops 5.0 With ported/93 COBRA Heads W/1.7 RR . Professional Products intake w/65mm T/B Lunati 501A1LUN cam 272/282 duration and 477 lift but 506 wit 1.7rr 1 5/8 Mac equal length shorty headers W/ 2.5 full exhaust and Flowmaster super 40's, BBK underdrive pullies ,Had 2.73,3.55,4.10 ,and current 3.73 gears with aluninum drive shaft. Hypertech Chip.Just added 24lb injectors.
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Old 11-25-2011, 05:18 PM   #2
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you don't need a delete kit, just run a smaller belt. The back of the heads are threaded however I forget what size it is.
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Old 11-25-2011, 05:46 PM   #3
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Run a shorter belt

remove tubes from the back of the heads and either pinch and roll them shut, weld them shut, or get the 5/8 plugs

remove the vacuum lines and solenoids from the passenger strut tower

Cap off the vacuum source at the intake

unplug the EGR valve

shove the 2 vacuum lines that go into the fender into them (no need to plug, one goes in and the other is an out so there is no vacuum once you disconnect the one line from the intake)

pinch or weld shut the tube on the midpipe that goes up to the air pump
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Old 11-25-2011, 08:32 PM   #4
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as far as the lines that go to heads, just cut the hose under the air intake tube and stick a socket in the end and clamp it! works!! same thing for the hpipe! You will use the remaining tube to plug the hpipe and clamp it!!! that way you can convert back to smog without buying a new hpipe!
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Last edited by Js88lx; 11-25-2011 at 08:35 PM. Reason: added more
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Old 11-25-2011, 09:21 PM   #5
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Quote:
Originally Posted by Js88lx View Post
as far as the lines that go to heads, just cut the hose under the air intake tube and stick a socket in the end and clamp it! works!! same thing for the hpipe! You will use the remaining tube to plug the hpipe and clamp it!!! that way you can convert back to smog without buying a new hpipe!
Works yes....ugly....very much so lol

Who needs smog? open headers FTW!!!!
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Old 11-25-2011, 09:59 PM   #6
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Quote:
Originally Posted by projectresto83 View Post
Works yes....ugly....very much so lol

Who needs smog? open headers FTW!!!!
HAHA.., not too ugly, but id rather keep it a little ugly for it being so simple! just add some nice honda stickers not only will it look killer it will add some ponies
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Last edited by Js88lx; 11-25-2011 at 10:02 PM. Reason: added
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Old 11-26-2011, 07:35 AM   #7
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http://www.trickflow.com/egnsearch.a...0&autoview=sku

they are 5/8-11 thread. It will most likely be plugged up with carbon so you will have to clean the hell out of it and possible run a thread chaser in to clean it out.
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Old 11-28-2011, 09:01 AM   #8
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Thanks for telling me what part I needed .Could you just not put a bolt instead of a plug?
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1987 GT W/T Tops 5.0 With ported/93 COBRA Heads W/1.7 RR . Professional Products intake w/65mm T/B Lunati 501A1LUN cam 272/282 duration and 477 lift but 506 wit 1.7rr 1 5/8 Mac equal length shorty headers W/ 2.5 full exhaust and Flowmaster super 40's, BBK underdrive pullies ,Had 2.73,3.55,4.10 ,and current 3.73 gears with aluninum drive shaft. Hypertech Chip.Just added 24lb injectors.
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Old 11-28-2011, 09:04 AM   #9
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Of course you can
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Old 11-28-2011, 09:04 AM
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