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Author
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Topic: Vacuum reading's
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Fastymz
Moderator Posts: 18440
From: Reno Nv USA MEM#1240
Registered: Apr 2001
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posted 03-09-2005 01:52 AM
   
What does it mean when the vacuum gauge bounce's say 1-3 points.
Should the gauge always be steady with no bounce at all?------------------
oddly obsessed with big scoops on little Mustangs 65 coupe 351w C4 Big Boss 429 hood scoop,8" 3.40 TracLoc. My Pics
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Fastymz
Moderator Posts: 18440
From: Reno Nv USA MEM#1240
Registered: Apr 2001
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posted 03-09-2005 01:57 AM
Also how to adjust or check the adjustment of my RPM heads and comp lifters & cam. What should I set them at ?
They do make some rocker noise. Which I've been told is normal for roller tip rockers. But maybe they need adjusting ?------------------
oddly obsessed with big scoops on little Mustangs 65 coupe 351w C4 Big Boss 429 hood scoop,8" 3.40 TracLoc. My Pics
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exlocal
Gearhead Posts: 141
From: hacienda hts., CA, USA
Registered: Dec 2004
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posted 03-09-2005 08:56 AM
http://www.centuryperformance.com/vacuum.asp------------------
reliving youth
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Fastymz
Moderator Posts: 18440
From: Reno Nv USA MEM#1240
Registered: Apr 2001
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posted 03-09-2005 12:06 PM
So the vacuum reading should be steady,and not dip or jump at all ?------------------
oddly obsessed with big scoops on little Mustangs 65 coupe 351w C4 Big Boss 429 hood scoop,8" 3.40 TracLoc. My Pics
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Bob Hopkins
Gearhead Posts: 359
From: BRIDGEPORT NJ USA
Registered: Jan 2001
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posted 03-09-2005 02:34 PM
I forgit tell us your engine combo and trans combo auto- stick stock converter???
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Fastymz
Moderator Posts: 18440
From: Reno Nv USA MEM#1240
Registered: Apr 2001
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posted 03-09-2005 03:51 PM
351w, RPM heads and intake,270h cam, roller tip rockers, C-4 trans 2200 stall, 3.40 gears------------------
oddly obsessed with big scoops on little Mustangs 65 coupe 351w C4 Big Boss 429 hood scoop,8" 3.40 TracLoc. My Pics
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Bob Hopkins
Gearhead Posts: 359
From: BRIDGEPORT NJ USA
Registered: Jan 2001
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posted 03-09-2005 04:11 PM
what RPM are you trying to git it to idle at? The more radicle the cam{LUMPY IDLE} you MAY?WILL have to raise idle speed.It ain't gonna idle in gear with A/C on at 600RPM NOWAYJOSE Did You look down venturies while it's idleing to see if there is any gas dribling out any of the boosters? Do you know any shops around your area that do emission work and see if they have a 4 gas exhaust anilizer, if you can talk them into runnin prob up the tail pipe and see how "rich" it is runnin??
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Bob Hopkins
Gearhead Posts: 359
From: BRIDGEPORT NJ USA
Registered: Jan 2001
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posted 03-09-2005 04:16 PM
And NO the vacumn gauge will not be steady with that cam in it and will bounce around
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