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SVT Shelby GT500
Boost Issues
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<blockquote data-quote="XP900" data-source="post: 16633630" data-attributes="member: 199546"><p>Thanks for suggestions.... </p><p></p><p> Went over everything and pulled off, cleaned and reseated everything....did not find any air leaks.....installed a mechanical gauge tapped into the front boost line. Reading 20-21 inches at idle and pretty steady just before testing. Handheld the gauge and full throttled in 2nd (not any easy task while watching the road and old boost gauge too!). I am getting 16-17 lbs of boost at 65 degrees outside air temp. Feels better and brakes loose in 2nd with the 4S tires but it still doesn't seem to be as potent as before. Did not data log yet.</p><p></p><p>I removed the TPS and swapped it from my old stock intake to the VMP intake but haven't road tested yet. Cleaned everything again. More oil coating on the backside of the throttle body than I expected to see but I ran it for quite a while. </p><p></p><p>Will test with old TPS installed and try to datalog parameters listed above ...rain on and off next two days so waiting again for dry roads.</p></blockquote><p></p>
[QUOTE="XP900, post: 16633630, member: 199546"] Thanks for suggestions.... Went over everything and pulled off, cleaned and reseated everything....did not find any air leaks.....installed a mechanical gauge tapped into the front boost line. Reading 20-21 inches at idle and pretty steady just before testing. Handheld the gauge and full throttled in 2nd (not any easy task while watching the road and old boost gauge too!). I am getting 16-17 lbs of boost at 65 degrees outside air temp. Feels better and brakes loose in 2nd with the 4S tires but it still doesn't seem to be as potent as before. Did not data log yet. I removed the TPS and swapped it from my old stock intake to the VMP intake but haven't road tested yet. Cleaned everything again. More oil coating on the backside of the throttle body than I expected to see but I ran it for quite a while. Will test with old TPS installed and try to datalog parameters listed above ...rain on and off next two days so waiting again for dry roads. [/QUOTE]
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