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Hmm, I don't think it's a valve spring or a lash adjuster. The adjuster wouldn't cause power loss, but it would knock. These springs don't usually just weaken, they just flat out break. I would almost say that it's a coil that is cracked and arcing against the cylinder wall. That would cause a ticking noise and cause a loss of power.
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96 Laser Red Mustang GTS 248A package
5 Speed
3.27 gears
4V Mark VIII engine.
Hmm, I don't think it's a valve spring or a lash adjuster. The adjuster wouldn't cause power loss, but it would knock. These springs don't usually just weaken, they just flat out break. I would almost say that it's a coil that is cracked and arcing against the cylinder wall. That would cause a ticking noise and cause a loss of power.
/\ I agree with this member.
I had a problem kinda like the thread starter and I replace the boot on my cop's (had a few cracked ones) and while I was replacing them I found a cop that was moving alittle to easy side to side on the mounting screw which was causing some of the issue.
I have to agree its cop related and arking from dried cracked boots.
possibility
Hesitation - Because its arking
Ticking noise - The ark itself
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My cars owned
But really happy to own my 1st Ford
06 Cobalt SS\SC - Gone !! What a POS 93 Corvette 40th - Great Car( Stock ) 99 Mustang GT- Upgrades As Followed : Flowmasters 40 , After market H pipe w/Cats , gears 4:10s , Engine is stock but many upgrades to come
New Mods, Tinted rear tail lights,Tinted windows 35%,k&n cai
Quote: If you see my Mustang or Corvette on a trailers.
Call the Police....Its been stolen !!!!
A test would be to start the car in the dark and see if you see any arking in spark plug holes.
Good Luck
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My cars owned
But really happy to own my 1st Ford
06 Cobalt SS\SC - Gone !! What a POS 93 Corvette 40th - Great Car( Stock ) 99 Mustang GT- Upgrades As Followed : Flowmasters 40 , After market H pipe w/Cats , gears 4:10s , Engine is stock but many upgrades to come
New Mods, Tinted rear tail lights,Tinted windows 35%,k&n cai
Quote: If you see my Mustang or Corvette on a trailers.
Call the Police....Its been stolen !!!!
if it is a cop would that only happen at higher revs and then last for a few minutes then go back to normal? i will check everthing. would it be the cop itself or the boot? how do you test the cop?
ok i just came in from checking in the dark i moved every cop in out up down side to side and i didnt see or hear anything. they all looked good to me. i just changed plugs so maybe that was it?
Thanks guys.
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2001 stock gt 5speed...they all come stock with the nitrous bottle in the trunk right?
1966 mustang auto, v8, air, ps, pb, needs paint and a bottle in the trunk.
Last edited by tempoffroad; 10-20-2009 at 08:21 PM.
Ya I would think it would have to be a spring, a lifter (lash adjuster), or the tiniest possibility a flattened lobe on your cam, which I would think all of these would not be intermittent.
Are the 4.6 lash adjusters hydraulic? I'm not very experienced with the mod engines
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02 GT Saleen supercharged, 30lb injectors, MAC prochamber, flows, Triax, lowered, subframes, 3.73's girdle, rear control arms
317rwhp 335rwtq on crappy lean saleen tune
Now Sniper tuned soon to be dynoed
Ya I would think it would have to be a spring, a lifter (lash adjuster), or the tiniest possibility a flattened lobe on your cam, which I would think all of these would not be intermittent.
Are the 4.6 lash adjusters hydraulic? I'm not very experienced with the mod engines
Yes, the lash adjusters are hydraulic. I still say that it's ignition related. I had the adjusters knocking on my old 2V and it didn't loose power in the slightest.
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96 Laser Red Mustang GTS 248A package
5 Speed
3.27 gears
4V Mark VIII engine.
maybe after christmas i will order some weapon x cop and see what they do. i think it is around 450 a set.
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2001 stock gt 5speed...they all come stock with the nitrous bottle in the trunk right?
1966 mustang auto, v8, air, ps, pb, needs paint and a bottle in the trunk.
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What a POS
