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05-10-2003, 09:10 PM
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#1 |
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Member since 2000
Join Date: Dec 2000
Location: Mountain View Ca / Mexico
Posts: 7,879
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loose spark plug effects?
Can someone tell me what are the effect of haven a loose spark plug?
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05-10-2003, 09:19 PM
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#2 |
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Registered User
Join Date: Aug 2002
Location: Farmers Branch, Tx
Posts: 1,009
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stripped threads if it blows out
__________________
http://www.picturetrail.com/jwill41 67 1/2 ton GMC short step side 68 1/2 ton Chevy long fleet side 72 1/2 ton Chevy Suburban 99 1/2 ton Chevy Suburban founder (and only member) of the primer/clearcoat club |
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05-10-2003, 09:24 PM
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#3 |
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Member since 2000
Join Date: Dec 2000
Location: Mountain View Ca / Mexico
Posts: 7,879
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How about performance wise? How would the engine react.
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05-10-2003, 10:09 PM
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#4 |
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Registered User
Join Date: Mar 2002
Location: Fernley, Nevada, USA
Posts: 540
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Most likely it would be like having worn rings and low compression in one cylinder but it could be as bad as removing one spark plug wire and running on 7 cylinders depending on how loose it is... Pete.
__________________
1968 Chevy - 3/4 Ton - 4X4 - Longbed - 383ci - TH350 - NP205 Building the motor, painting the engine bay, rewireing everything... (775)-527-1199 / ryanspeterson@msn.com |
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05-10-2003, 10:19 PM
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#5 |
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Registered User
 
Join Date: Feb 2001
Location: East Central, MO
Posts: 11,336
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It'll miss at times (pretty bad) then maybe run alright for a few miles while it is coming loose and out. Maybe cause a spark knock type sound at times. Did that last year!
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05-11-2003, 12:23 AM
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#6 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Rev with no power getting to the trans...loud hissing sound from under hood, blow out carbon out the tail pipe(s)...
I did this on my first ride. |
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05-11-2003, 03:16 AM
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#7 |
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Registered User
Join Date: Feb 2002
Location: Moore OK 73160
Posts: 974
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if it's not that loose,you will here a ticking sound like bad header gaskets, and what all the others posted
__________________
04 GMC Sierra RCSS 70 CST LWB 04 HD Sportster 1200 Custom |
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05-11-2003, 03:39 AM
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#8 |
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Member since 2000
Join Date: Dec 2000
Location: Mountain View Ca / Mexico
Posts: 7,879
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thanks everyone. You guys narrowed down a problem I've been haven since the switch from points to HEI( new dis, plugs, wires, changed to 12 gauge wire for power). I think I'll go over the plug tomorrow after the oil change( I installed a new oil pan gasket today). It was just one plug that was giving me sht. I didn't even need to put any pressure on the wrench, it just turned on it's own wieght. there was some carbon build up on the plug not much but some. The hissing sound was confusing me quiet a bit too, i thought it was the carb.
While the header is off is it ok to spray some gasoline in exhaust port and take a tooth brush to it? or i there another way to clean them up? thanks agian everyone. |
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05-11-2003, 11:51 AM
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#9 |
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Recovering Truck Driver
Join Date: Mar 2002
Location: Orleans, NE USA
Posts: 1,883
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Brake cleaner would work better than gasoline, just be careful not to get any on the paint.
__________________
67 K-20 350, SM465, Eaton rear, 4.56 no spin option 00 Dodge 2500 4x4, 24V cummins, 5 speed Chad South Central Nebraska |
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