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SVT Shelby GT500
Highest mileage GT500? Its a driver!
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<blockquote data-quote="PistolWhip" data-source="post: 15617333" data-attributes="member: 30361"><p>Sorry man but this bad advice. Pistons, rods and cranks aren't wear points in an unmodified, properly maintained engine, so those being forged have little to do with the wear and tear these engines endure from mileage. You're correct, those specific components can probably live infinitely in an unmodified, properly maintained and soft driven 500. </p><p></p><p>HOWEVER...</p><p>Bearings, rings, seals, timing components (chains and guides mostly) and oil pumps are what wear due to mileage and those do have "shelf lives" unfortunately and this point, adding power is creating a ticking time bomb out of an otherwise perfectly running engine. </p><p></p><p>Rings and valve seals can be gauged by compression tests, oil usage between changes and exhaust indicators, so that's an easy tell if you wanted to test before mods. Usually oil pressure and oil analysis can tell a descent story of the rotating assembly bearing condition, so again, not a difficult test to determine if mods are a good idea. </p><p></p><p>The problem is the timing components and oil pump gears. It's not easy to tell what condition those are in without tearing the front of the engine apart and that's not something I'd want to do at this point. If you start moding the car now, you're much more likely to start exposing the wear conditions of the timing components and oil pump gears which would make me nervous. </p><p></p><p>You've driven the car the way it is and obviously enjoyed it all this time; unless you're perfectly OK with an engine failure (which you may very well be at this point), I'd wait until you're ready to build a motor to mod anything. </p><p></p><p>Just my .02 on the mod situation.</p><p></p><p>It's awesome that you've gotten to drive that car as much as you have. In my area, with the weather and total wangs that live and drive on the roads around here, mine would undoubtedly be dead by now if I drove it that much.</p></blockquote><p></p>
[QUOTE="PistolWhip, post: 15617333, member: 30361"] Sorry man but this bad advice. Pistons, rods and cranks aren't wear points in an unmodified, properly maintained engine, so those being forged have little to do with the wear and tear these engines endure from mileage. You're correct, those specific components can probably live infinitely in an unmodified, properly maintained and soft driven 500. HOWEVER... Bearings, rings, seals, timing components (chains and guides mostly) and oil pumps are what wear due to mileage and those do have "shelf lives" unfortunately and this point, adding power is creating a ticking time bomb out of an otherwise perfectly running engine. Rings and valve seals can be gauged by compression tests, oil usage between changes and exhaust indicators, so that's an easy tell if you wanted to test before mods. Usually oil pressure and oil analysis can tell a descent story of the rotating assembly bearing condition, so again, not a difficult test to determine if mods are a good idea. The problem is the timing components and oil pump gears. It's not easy to tell what condition those are in without tearing the front of the engine apart and that's not something I'd want to do at this point. If you start moding the car now, you're much more likely to start exposing the wear conditions of the timing components and oil pump gears which would make me nervous. You've driven the car the way it is and obviously enjoyed it all this time; unless you're perfectly OK with an engine failure (which you may very well be at this point), I'd wait until you're ready to build a motor to mod anything. Just my .02 on the mod situation. It's awesome that you've gotten to drive that car as much as you have. In my area, with the weather and total wangs that live and drive on the roads around here, mine would undoubtedly be dead by now if I drove it that much. [/QUOTE]
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Highest mileage GT500? Its a driver!
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