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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
House of Boost Tuning +40hp +75ft-lb
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<blockquote data-quote="Guy" data-source="post: 1133874" data-attributes="member: 22717"><p>Your ceiling was higher because your starting point was much lower.</p><p></p><p>There are only so many ways to extract horsepower from 3.5 liters. 525 at the wheels is about 600 at the crank which puts you at 175 horsepower per liter. I can't see anyone getting over that hump on stock turbos. Realistically I think you're going to see 150-160 horsepower per liter which is going to get you in that 450 to 475 RWHP range on premium. The downpipes and cats are pretty decent stock. There isn't much there. There isn't much in the catback.... intake isn't going to get you anywhere. The spd adapters are limited more by the turbo limitations than anything else...</p><p></p><p>My prediction... 550 at the crank with a tune, drop in filter and cat backs. Some tuners may push the envelope for a little more... but that's what you are looking at. But think... that's a 5 second truck with a 12 and change quarter. Not to mention with 600lb*ft... not bad for a couple grand investment.</p><p></p><p>To do more... it's going to cost a lot more... and you're also going to exceed the engineering limits of the engine... which means it's gonna break.. a lot...</p><p></p><p></p><p>Just my two cents</p></blockquote><p></p>
[QUOTE="Guy, post: 1133874, member: 22717"] Your ceiling was higher because your starting point was much lower. There are only so many ways to extract horsepower from 3.5 liters. 525 at the wheels is about 600 at the crank which puts you at 175 horsepower per liter. I can't see anyone getting over that hump on stock turbos. Realistically I think you're going to see 150-160 horsepower per liter which is going to get you in that 450 to 475 RWHP range on premium. The downpipes and cats are pretty decent stock. There isn't much there. There isn't much in the catback.... intake isn't going to get you anywhere. The spd adapters are limited more by the turbo limitations than anything else... My prediction... 550 at the crank with a tune, drop in filter and cat backs. Some tuners may push the envelope for a little more... but that's what you are looking at. But think... that's a 5 second truck with a 12 and change quarter. Not to mention with 600lb*ft... not bad for a couple grand investment. To do more... it's going to cost a lot more... and you're also going to exceed the engineering limits of the engine... which means it's gonna break.. a lot... Just my two cents [/QUOTE]
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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
House of Boost Tuning +40hp +75ft-lb
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