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Author
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Topic: I just find anything wrong HELP
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1968GNS
Journeyman Posts: 4
From: kelso wa 98626
Registered: Sep 2006
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posted 09-18-2006 06:51 PM
 
Well lets see I have 68 coupe with a 289 and where i live the roads in my area are really steep and on the one road as i climb it sometimes sounds like its about to brake a clunk clunk i think the engine is starving for fuel on this steep hill but i'm not sure. I have checked everything else tranny rear nothing is wrong that i can see any ideas?
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Moneymaker
Administrator Posts: 29200
From: Lyons, IL, USA
Registered: May 99
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posted 09-18-2006 07:48 PM
Welcome to M&M  !
I'm not quite familiar with your terminology so could you please clarify "brake a clunk, clunk" and I'll try to help.------------------
Alex Denysenko
Co-Administrator and Moderator NHRA/SRA member and licensed Superstock driver
NHRA and IHRA SS/LA & SS/MA National Record Holder '00,'01,'02,'03,'04 &'05
First NHRA & IHRA 289 automatic Superstock Mustang in the TENS 06-99
First SS/MA in the TENS 04-03
IHRA division 5 Superstock Champion
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28 The Barry of BarrysGrrl Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com
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69 Sportsroof
Gearhead Posts: 2814
From: Valley, Alabama, USA
Registered: Mar 2002
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posted 09-18-2006 08:17 PM
What octane gas are you using?
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Dreamcometrue
Gearhead Posts: 903
From: New-Brunswick,Canada
Registered: Apr 2004
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posted 09-18-2006 09:00 PM
Welcome to M&M!!!
Rino 
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I65Stang
Gearhead Posts: 6792
From: Sacramento, CA
Registered: Jun 99
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posted 09-18-2006 09:04 PM
Does it sound like rocks in a coffee can? If so, that is detonation and either your octane is too low or timing is too advanced.
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1968GNS
Journeyman Posts: 4
From: kelso wa 98626
Registered: Sep 2006
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posted 09-18-2006 09:55 PM
Sorry its just hard to describe the sound.it only happens going up the same hill.now that i think about it everytime i get gas at shell my car runs like crap. Its just a stock 289 and runs good on 89 octane.
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capri man
Gearhead Posts: 8777
From: doerun, ga.
Registered: Nov 2000
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posted 09-18-2006 10:03 PM
quote:
Originally posted by 1968GNS:
[B]it only happens going up the same hill.B]
dont go up that hill any more!! sorry, it was just to easy!!
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68 Coop
Gearhead Posts: 5847
From: Mesquite, NV. 89027
Registered: Oct 2004
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posted 09-18-2006 10:14 PM
Have you checked your float level? Sounds like it's too far advanced also, but how does it act from a dead stop when you get on it hard? You might hook it up to the light and see what the timing is set at, post it here, and I'm sure we can figure this out for ya. Welcome to M&M .------------------
William
M&M# 4256
MCA# 64831 68 Coupe
289
C4
3:55's/Trac-Lok
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Scott H
Gearhead Posts: 1480
From: Chicago area
Registered: Mar 2005
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posted 09-19-2006 12:15 AM
When you're going up that hill your engine has a pretty good strain on it. The noise it's making is telling you it wants:
1) more octane
2) less timing advance
3) less foot on the 'go' pedalor a combination of the above.
The fuel and air mixture is exploding inside your cylinders, potentially damaging your pistons. You want the mixture to burn quickly and evenly without exploding.
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lcl
Gearhead Posts: 137
From: new waterford oh
Registered: Mar 2005
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posted 09-19-2006 04:32 AM
Welcome to M&M,if you need help this is the place to be . It's priceless! Good knowledgeable people.
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mustangs68
Moderator Posts: 27681
From: Hampton Va MCA#39406 M&M #12 Member Mustang Club of Tidewater
Registered: May 99
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posted 09-19-2006 08:35 PM
1968GNS
If I'm correct by the handle/username that would be a 1968 Gold Nugget Special.
525 made 
DSO 74 1111Sam
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1968GNS
Journeyman Posts: 4
From: kelso wa 98626
Registered: Sep 2006
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posted 09-21-2006 07:02 PM
Yes it is and I love it. good observation.
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