Re: Under Drive Pulleys..and the problems they cause.
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Re: Under Drive Pulleys..and the problems they cause.
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Re: Under Drive Pulleys..and the problems they cause.
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Re: Under Drive Pulleys..and the problems they cause.
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Re: Under Drive Pulleys..and the problems they cause.
crap i just bought bbk udp's that sux :smack: good thing i read this before i installed them thanks guys
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Re: Under Drive Pulleys..and the problems they cause.
i have steeda UDPs on my 5-speed... just bought it a week ago but i know they have been on there for about 10k miles or so no problems.... after reading this stuff im thinking about putting the stocks back on though
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Re: Under Drive Pulleys..and the problems they cause.
I never had a problem with mine and had 25,000ish miles on them.
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Re: Under Drive Pulleys..and the problems they cause.
i thought this thing was locked, oh well. i think the march fluidamper is the shiznit. its weights almost a pound over the stocker and its gotta be a better dampner.
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Re: Under Drive Pulleys..and the problems they cause.
is it normal for UDPs to create more engine noise than normal? im getting a sort of winding up sound and up until around 2k rpms thats mostly what i hear... i just have a catback exhaust so its not that loud but i feel like im getting more engine noise than normal :confused:
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Re: Under Drive Pulleys..and the problems they cause.
I have the March crank, pulley, and the R WP and PS pulley.
30,000 miles including daily 6.5k pulls, and many track runs. Not a problem. |
Re: Under Drive Pulleys..and the problems they cause.
I'm getting my Steede pulleys installed this Friday, can't wait!!
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Re: Under Drive Pulleys..and the problems they cause.
so have we deciced are these steeda pulleys safe or not?
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Re: Under Drive Pulleys..and the problems they cause.
"Safe" is a relative term. Steeda dampers are "safer" after they increased the diameter but alot of guys think that as long as a part doesnt blow their engine up right away it must be fine. Uncontrolled, or poorly controlled harmonics can do alot of damage over time before something actually breaks or a bearing fails. Unfortunately when this happens it's often attributed to something else. I wouldnt run the Steeda or March above 6500 RPM.
If you want complete protection run the stock piece with larger pulley's on the accessories. If you want superior protection, get a full size ATI damper. Ultimately guys jeopardize their engines longevity in the pursuit of horsepower. That's hot rodding. But it's usually in the form of power adders that deliver 100's of horsepower, not 3 or 4. Don't let me or anyone else tell you what to do with your car. Look at the facts and decide for yourself. |
Re: Under Drive Pulleys..and the problems they cause.
FYI
I went with march pulleys. One of them flew off on the dyno, hit my power steering hose. Now im losing power steering fluid. Have to replace the hose. Car has been in the shop two weeks. it was done a week ago, been working on the pulley issue ever since monday. WHAT A PAIN>>> NEVER DO PULLEYS> not worth the trouble at all! :eek: |
Re: Under Drive Pulleys..and the problems they cause.
How long does it take for the oil pump failure to happen? Meaning is this something that happens over time or is it all of a sudden. We are looking at some cars, most have UDP's and im wondering if we take them off if it will be safe or there has already been damage done.
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Re: Under Drive Pulleys..and the problems they cause.
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Oil pump failure gives you no warning, you'll be racing someone (or riding down the road) and all of the sudden you'll have no oil pressure. Short block damage is usually limited to main/rod bearings if you shut it down quickly enough, the real pain comes from the cam journals/cams, often resulting in heads and cams that are toasted beyond repair in a matter of seconds after oil pressure is lost at speed. |
Re: Under Drive Pulleys..and the problems they cause.
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Just looked up the pump, thats expensive and she dont want a car shes instantly gotta put money into. If putting the stock pullies on wont fix this issue, ill guess we may have to pass. |
Re: Under Drive Pulleys..and the problems they cause.
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Good point, Ben.
I'll add that the pullies on the accessories are fine. They dont cause any problems. It is the smaller diameter harmonic damper that bolts on the end of the crank that creates issues. This is primarily a DOHC engine problem. Failures have occured on SOHC GT engines but not like the Cobra/Mach engines. Just make sure she's not running a small diameter damper like the old style Steeda shown on the right in the picture below. Pictured are ATI, stock and Steeda. A budget $100 damper wont control harmonics like a quality unit but the new Steeda with increased mass, and the fluid filled unit from March are not likely to grenade the engine if RPM's are kept below 6500. Fortunately most people are aware of these limitations and have compensated accordingly. Over time an inferior damper will accelerate wear in the crank and connecting rod bearings but many people arent thinking in terms of 50,000 miles. One simple thing she can do if putting a stock or better damper back on is out of the question is to run the best 5W-30 or thicker oil available. Red Line is probably the best you can get. Mobil 1 synthetic is better than non-synthetics but wont protect rod and main bearings like Red Line or the top shelf options from Amsoil. |
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