lightning pulley
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lightning pulley
This may sound like a silly question, but I am definately a newbie when it comes to certain engine mods and want to make sure everything I put into my truck is safe. I am going back and forth about getting a pulley for my '04 lightning. My question is....as long as the boost is not too high and the a/f ratio is good and i get a performance chip tuned to support the pulley, will a pulley decrease overall engine life? just wondering, i have read about alot of people installing them so it must not, but I just wanted to ask. Thanks for your replies.
Last edited by so9956; Feb 8, 2006 at 12:08 AM.
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From: Pryor
Going with a 4 lb pulley and a chip with a safe tune and you'll be fine. I suppose theoretically it may shorten engine life somewhat by the increased strain, but it won't blow your engine in a few thousand miles if that's what you're worried about.
Mountain Pass
Joined: Mar 2002
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From: Cypress, TX
I wouldn't do the chip. With the SCT Xcaliber and Diablo Predator, you can get the tune needed for your mods and you won't have to destroy the integrity of your CPU in the process. The technology incorporated into the newer handheld OBDII programmers are making CPU chips obsolete.
A 4# lower pulley, CAI, and tune will provide a good jump in power and performance without sacrificing reliability. You will definitely feel the difference.
A 4# lower pulley, CAI, and tune will provide a good jump in power and performance without sacrificing reliability. You will definitely feel the difference.
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From: Pryor
Chips
Chips don't destroy anything. The tuners are great too, but a 4 position chip is great as well. They are in fact easier to dyno tune than programmers. My chip allows me to have 4 stored tunes and I can still have the stock tune as well. Can change on the fly, too. To get the full benefit of a pulley, you will need a tune from either a chip or a hand held programmer. I am very happy with it.
Mountain Pass
Joined: Mar 2002
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From: Cypress, TX
Originally Posted by bigsnag
Chips don't destroy anything.
On an older vehicle, this probably wouldn't matter. However, an '04 will likely have the 3/36 factory warranty still in play and would be jeopardized by having the CPU contacts scraped.
Last edited by Lightning Rod; Feb 14, 2006 at 09:02 AM.
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From: Pryor
The stuff you scrape off is available to purchase so you can put it back on and they won't be able to ever know. As I understand it, dealers can tell through the computer if a programmer has been hooked to it as well, so that isn't totally safe either from a warranty standpoint.
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ive been running a 6lb pulley for 2 years no problem but my truck / chip was also tuned by jlp on eof the top lightning tuners. but the short answer is yes and power adding modification will decrease your engine life its just a matter of how much (also may more be decrease in transmission life than engine).
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