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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
Dyno comparison results for my 2017 stock tune vs MPT PR-X 93 tune
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<blockquote data-quote="Badgertits" data-source="post: 1858366" data-attributes="member: 31322"><p>I was astonished @ the misconceptions regarding this when it comes to parasitic loss on this forum, there aren’t too many vehicles I could imagine w/ a worse setup for loss: heavy ass 35-37” tires, heavy duty axles, 4.10s, an automatic trans w/ TC, long driveshaft, 4x4 w/ a t-case….I mean…what you expect lol!!</p><p></p><p>My C5 vette is the opposite- manual trans, transaxle in rear right near the diff, light weight wheels, etc- manual vettes typically like 13-16% loss, 4x4 off-road pickups w/ an auto? Yeah- 22-26% seems right.</p><p></p><p>What’s way more impressive to me is how much power they pickup w/ just a 93 octane tune. You jumped 100hp @ the crank essentially. 450hp factory rated @ 335 wheel = 25-26% loss, do the math backwards @ 411whp assuming parasitic loss remains constant that equates to 550ish crank Hp! Also impressive? That your 62k mile 5-6 year old truck turned those #s out immediately no sweat lol</p></blockquote><p></p>
[QUOTE="Badgertits, post: 1858366, member: 31322"] I was astonished @ the misconceptions regarding this when it comes to parasitic loss on this forum, there aren’t too many vehicles I could imagine w/ a worse setup for loss: heavy ass 35-37” tires, heavy duty axles, 4.10s, an automatic trans w/ TC, long driveshaft, 4x4 w/ a t-case….I mean…what you expect lol!! My C5 vette is the opposite- manual trans, transaxle in rear right near the diff, light weight wheels, etc- manual vettes typically like 13-16% loss, 4x4 off-road pickups w/ an auto? Yeah- 22-26% seems right. What’s way more impressive to me is how much power they pickup w/ just a 93 octane tune. You jumped 100hp @ the crank essentially. 450hp factory rated @ 335 wheel = 25-26% loss, do the math backwards @ 411whp assuming parasitic loss remains constant that equates to 550ish crank Hp! Also impressive? That your 62k mile 5-6 year old truck turned those #s out immediately no sweat lol [/QUOTE]
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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
Dyno comparison results for my 2017 stock tune vs MPT PR-X 93 tune
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