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1997 to 2003 F-150 4.2L, 4.6L, and 5.4L equipped F-150s. |
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#11
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Excellent point Lars! I'm glad you brought it up.
What we need, as you say, is some information that is more relative to our daily driving habits. I think fuel economy is one such metric and passing performance is another. I can see towing capacity, for those that tow. What else is there? Longevity? - Jack |
#12
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The longevity part of the equation should be taken care of by an approval sticker found either on the crank pulley or a lose one to be applied by user in the engine bay.
The sticker indicates that the pulley has passed testing and is rated to be used on the motor it is to be installed on. Can't really crawl under the truck right now to see what it says. But if I remember right it should be SFI Approved? Lars
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#13
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But, I like the label that the device has met certain minimum requirements and so should be safe to use. Kind of like the UL sticker on electrical equipment. - Jack |
#14
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When I put the UDP from Troyer on my truck I did notice that I got slighty better mpg, and better passing power. Been on my truck 2 yrs now with no issues. But at the time it was installed I also had the AF1 CAI kit installed at the same time so I can't say which gave the better gain but I'm happy with it.
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#15
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tell me about your wheels - what are they, what size, etc. i like the look of them. jg |
#16
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FWIW I had a set of MARCH underdrive pulleys on my F-150 (5.0) and hated them. Alternator wouldn't hardly charge at idle, parking lots were a pain because of the reduced power steering assist, so I ended up giving them away. Just sayin........
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#17
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Some of the udp kits out there are a little bit to much underdriven.
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SENIOR MODERATOR--PTLA God doesn't have a Facebook but he's my friend. God doesn't have a twitter, but I follow him. |
#18
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I was skimming through because I've added the troyer pulleys to my list for future modifications. There were some valid points mentioned like real horsepower and the product's effect on the life of other parts in this thread. I also wouldn't mind having a little more tension in the steering wheel when going at low speeds. Has anyone else experienced this on their truck with any other kits like the troyer? I'm just trying to weigh the pros and cons of the $225+S/H kit. The gryphon is still paying for itself (it'll be quicker now that gas prices have gone up!
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