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Author
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Topic: need some advice on fine tunning
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ewokeric
Gearhead Posts: 160
From: woodbridge, va united states
Registered: Mar 2002
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posted 07-27-2002 10:36 PM
   
well i replaced the spark plug wires due to the missing on the road test last week. It is about 95% better on the miss deptment. But it still does not have the response that i think i should have. Also after running for about 15 minutes going up a hill it spuddered for a quick second and a stoped did it twice before i got home. I have a eldbrock new carb. My neighbor is bringing a vacuum tester to adjust the jets like you suggested. I was wondering if there something else to check. I have the engine set to 8 deg. at idle, do not know what the total advance is as, now do you check that. I have a mollery elec. igition, mechanical advance. The engine seems to run ok just no pep, Of couse i only have 2.83 gears in the rear and a 8" rear. The engine is not a new rebuild either the car had been sitting for 10 years before i got it and the only thing i have done to it is timming chain,waterpump, fuelpump,carb,plugs and wires,alt. any ideas would be helpful ------------------
68 mustang coupe(california special)not real though but looks it(will be nice) 351w/c4
My 68 Coupe
[url=http://mustangsamdmore.50megs.com/ewokeric.html]
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kcode
Gearhead Posts: 2456
From: alvaton,ky,usa Suburb of Bowling Green, M&M #79, MCA #29208
Registered: Jun 99
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posted 07-27-2002 10:53 PM
Eric,
Even with the 2.80 gears a 351 should have the thrill in the seat of the pants punch. Two tests I would recommend would be a compression test and a leakdown test. This will give you an idea on whats going on inside your cylinders.  Mike
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ewokeric
Gearhead Posts: 160
From: woodbridge, va united states
Registered: Mar 2002
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posted 07-27-2002 10:58 PM
have not tried a compression or leak down test,will add to the list of stuff to do have to get the tester first are they expensive.------------------
68 mustang coupe(california special)not real though but looks it(will be nice) 351w/c4
My 68 Coupe
[url=http://mustangsamdmore.50megs.com/ewokeric.html]
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V8 Thumper
Gearhead Posts: 2950
From: Orange, Ca. United States of America
Registered: Dec 2001
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posted 07-28-2002 01:10 AM
I'd bump the initial timing up to at least 10*, more if it dosen't ping
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mustangboy
Gearhead Posts: 483
From: Ont, Canada
Registered: Mar 2002
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posted 07-28-2002 11:44 AM
No compression testers aren't expensive,you can probably pick one up at any parts store for around $30 bucks or so.I was just looking at your pics and a nice K@N air filter would probably make a difference,looks like you've got a real restrictive paper unit on there.
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Calcat
Journeyman Posts: 75
From: Los Angeles, CA
Registered: Feb 2002
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posted 09-01-2002 02:13 AM
[Quote] did u take the valve covers off and check out the cylinders/pistons to see if at least they looked alright?Uh...how do you check the cylinders and pistons by pulling the valve covers?
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RADRIDE
Gearhead Posts: 172
From: Va.Beach, Va.
Registered: Aug 2002
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posted 09-01-2002 01:42 PM
Doing a compression is the first step a valve out of adjustment will give you a slight miss(depending on how far out of adjustment)and will rob power.
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ewokeric
Gearhead Posts: 160
From: woodbridge, va united states
Registered: Mar 2002
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posted 09-03-2002 05:10 PM
What is the proceedure for adjusting valves and aren't they those type of studs that you bottom out. just wondering
quote:
Originally posted by RADRIDE:
Doing a compression is the first step a valve out of adjustment will give you a slight miss(depending on how far out of adjustment)and will rob power.
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