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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
MPT Tune Version 4
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<blockquote data-quote="M3sparky" data-source="post: 1291593" data-attributes="member: 28858"><p>ye im getting to understand it more, i did ask for a more linear throttle map, i sent them the logs of the 91 map and they said it was perfect. today i filled up 21 gallons of 91 - which is 4.04 here per gallon and 11 gallons topped of the truck of e85 that cost 2.89 a gallon here. changed the map while it was pumping, and wow what a difference! sure the boost didnt go to 20 but it went to 19 this time and dropped down to stay at 18 but wow it feels so much more powerfull the needle just flies through mph. was super suprised , love this map or tune the best now compared to 91prx. </p><p></p><p>btw i asked mike from MPT that was reviewing my logs if they had done any downpipe testing and he said "We have tested a truck with stock cats, then with catless open down pipe. Gain was 0HP and maybe 2 ft-lbs torque. Was super loud and stunk like hell but power wasn’t there." his axxact words lol so that made up my mind about the downpipes. the stock cats are fine unless im going 800 hp built engine etc then it would actually help.</p></blockquote><p></p>
[QUOTE="M3sparky, post: 1291593, member: 28858"] ye im getting to understand it more, i did ask for a more linear throttle map, i sent them the logs of the 91 map and they said it was perfect. today i filled up 21 gallons of 91 - which is 4.04 here per gallon and 11 gallons topped of the truck of e85 that cost 2.89 a gallon here. changed the map while it was pumping, and wow what a difference! sure the boost didnt go to 20 but it went to 19 this time and dropped down to stay at 18 but wow it feels so much more powerfull the needle just flies through mph. was super suprised , love this map or tune the best now compared to 91prx. btw i asked mike from MPT that was reviewing my logs if they had done any downpipe testing and he said "We have tested a truck with stock cats, then with catless open down pipe. Gain was 0HP and maybe 2 ft-lbs torque. Was super loud and stunk like hell but power wasn’t there." his axxact words lol so that made up my mind about the downpipes. the stock cats are fine unless im going 800 hp built engine etc then it would actually help. [/QUOTE]
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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
MPT Tune Version 4
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