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New Edge Cobras
2001 SVT Cobra making weird slap noise after Forged+Cam rebuild.
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<blockquote data-quote="Yossii" data-source="post: 16185023" data-attributes="member: 192756"><p>If anyone is wondering how it is doing, I couldn't get it to start, pulled all plugs out, EVERY cylinder was dirty as hell and has very small chunks of dirt on top of the pistons, and about 3-5 of them had fluid in them. The plugs were just wet but looked good( i only have like 35 miles on the car so far) So changed plugs to Copper Plugs(Gaped from .55, what I first had, to .46 roughly). She fired right up on the first crank and that noise went completely away and she was quiet as can be, BUT she also wasn't loping with the cam and had a high idle, As I mentioned in earlier posts the noise only comes from when it's idling around 1000rpm or lower. But unfortunately the car does this odd thing sometimes, it will idle for 30 seconds around 1300-1500, then it will slowly surge up to 2000 for a second, then drop back down to 1000, and then begin to bog down and die. When it does that, you are able to keep the car running with the throttle cable pedal, but when you let off the pedal the car won't hold an idle on its own, it just starts to lope with the cam for a second then bog down and die within a few seconds, (New IAC, new TBPS, Cleaned Throttle body(I won't deny this throttle body blade is corroded slightly around the edge, I will provide pictures if anyone is curious to see how it looks, BUT I think it will do for now)( ALSO there is a little stud on the throttle body that controls where the blades sit at idle, I had a sticky throttle cable, so I adjusted the stud a little to have the blade sit open a tiny tiny bit more than stock. (About a 5 or so turns on the stud) so the throttle cable wouldn't get stuck, But please take this into consideration(I had the car running pretty decent last week, she would idle and drive no problems, hence why I have put only about 35 miles on it, breaking it in easy, but the alternator went bad, car kept losing power when driving(voltmeter in dash kept going down to L then car would die and steering wheel would lock up) and she died a lot, so she sat for a few days, my buddy said I didn't plug in some sensor, sad it took him a bit of looking to find it, no idea what that sensor was tho, it fired right up and I drove it home, stopping by AutoZone, she only died on me twice, but I also had my foot on the clutch for 1 of the time so it might have been my fault. After that, I drove her home and when I pulled in to the driveway It shut it off, so I cruise into my parking spot, let the car sit for about 10 minutes, ( The video below is what happens next). ( ALSO LET ME MENTIONS SOMETHING I FIND INTERESTING, she was doing this 100% extract same things before the alternator went bad, idle fine for 30 seconds, idle surge for a second, then RPMs drop and the car dies, the way I fixed it was with a new battery, I think, Because the Alternator and Battery are both New. ANY HELP OR ANY COMMENTS are appreciated, I think anyone who is reading and responding to my posts, PLEase, watch this video [MEDIA=youtube]8DSI54gTAis[/MEDIA] This video was shot around 10am yesterday morning.</p></blockquote><p></p>
[QUOTE="Yossii, post: 16185023, member: 192756"] If anyone is wondering how it is doing, I couldn't get it to start, pulled all plugs out, EVERY cylinder was dirty as hell and has very small chunks of dirt on top of the pistons, and about 3-5 of them had fluid in them. The plugs were just wet but looked good( i only have like 35 miles on the car so far) So changed plugs to Copper Plugs(Gaped from .55, what I first had, to .46 roughly). She fired right up on the first crank and that noise went completely away and she was quiet as can be, BUT she also wasn't loping with the cam and had a high idle, As I mentioned in earlier posts the noise only comes from when it's idling around 1000rpm or lower. But unfortunately the car does this odd thing sometimes, it will idle for 30 seconds around 1300-1500, then it will slowly surge up to 2000 for a second, then drop back down to 1000, and then begin to bog down and die. When it does that, you are able to keep the car running with the throttle cable pedal, but when you let off the pedal the car won't hold an idle on its own, it just starts to lope with the cam for a second then bog down and die within a few seconds, (New IAC, new TBPS, Cleaned Throttle body(I won't deny this throttle body blade is corroded slightly around the edge, I will provide pictures if anyone is curious to see how it looks, BUT I think it will do for now)( ALSO there is a little stud on the throttle body that controls where the blades sit at idle, I had a sticky throttle cable, so I adjusted the stud a little to have the blade sit open a tiny tiny bit more than stock. (About a 5 or so turns on the stud) so the throttle cable wouldn't get stuck, But please take this into consideration(I had the car running pretty decent last week, she would idle and drive no problems, hence why I have put only about 35 miles on it, breaking it in easy, but the alternator went bad, car kept losing power when driving(voltmeter in dash kept going down to L then car would die and steering wheel would lock up) and she died a lot, so she sat for a few days, my buddy said I didn't plug in some sensor, sad it took him a bit of looking to find it, no idea what that sensor was tho, it fired right up and I drove it home, stopping by AutoZone, she only died on me twice, but I also had my foot on the clutch for 1 of the time so it might have been my fault. After that, I drove her home and when I pulled in to the driveway It shut it off, so I cruise into my parking spot, let the car sit for about 10 minutes, ( The video below is what happens next). ( ALSO LET ME MENTIONS SOMETHING I FIND INTERESTING, she was doing this 100% extract same things before the alternator went bad, idle fine for 30 seconds, idle surge for a second, then RPMs drop and the car dies, the way I fixed it was with a new battery, I think, Because the Alternator and Battery are both New. ANY HELP OR ANY COMMENTS are appreciated, I think anyone who is reading and responding to my posts, PLEase, watch this video [MEDIA=youtube]8DSI54gTAis[/MEDIA] This video was shot around 10am yesterday morning. [/QUOTE]
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2001 SVT Cobra making weird slap noise after Forged+Cam rebuild.
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