Twin Turbo 5.4L Long Travel 2006 f150!!! :)
#62
5.4
You're not going to get any more stroke out of the factory 5.4 , their isn't a 6.0 / 6.2 unless you are getting the 6.2 motor from Ford or any Ford affiliated party. Some would bore then place slightly bigger pistons and a three angle competion valve job. Their is potential in the 5.4 3v Triton modular motors like to make power and a good built one loves boost. On the turbo or supercharger. Either way need the cooling to handle. I'm thinking procharged.for my set up . I've looked at several 5.4 built for 18 psi boost to 25 psi boost . I good built 5.4 3v with these numbers can put you in the 650+ hp range. Easy starting in the $5k to 15k price range
I don't know half as much about engine technology as you or the other person you are at a flame war with, but why would anyone recommend keeping the stock displacement instead of boring it out to 6.0L - 6.2L if you plan to use a supercharger? Could you not increase the displacement and run more boost to bring more power or am I missing something? Not trying to sound like a dumb ***, just a realistic question.[/QUOTE]
I don't know half as much about engine technology as you or the other person you are at a flame war with, but why would anyone recommend keeping the stock displacement instead of boring it out to 6.0L - 6.2L if you plan to use a supercharger? Could you not increase the displacement and run more boost to bring more power or am I missing something? Not trying to sound like a dumb ***, just a realistic question.[/QUOTE]
#64
#65
Moderator
#66
Stave Lake in Mission, brother. That's where to go. And when you're done let me know, I'd like to swing by and check your beast out!
I don't know half as much about engine technology as you or the other person you are at a flame war with, but why would anyone recommend keeping the stock displacement instead of boring it out to 6.0L - 6.2L if you plan to use a supercharger? Could you not increase the displacement and run more boost to bring more power or am I missing something? Not trying to sound like a dumb ***, just a realistic question.
I don't know half as much about engine technology as you or the other person you are at a flame war with, but why would anyone recommend keeping the stock displacement instead of boring it out to 6.0L - 6.2L if you plan to use a supercharger? Could you not increase the displacement and run more boost to bring more power or am I missing something? Not trying to sound like a dumb ***, just a realistic question.
#67
Monks
lol
To answer the question...
Bore has nothing to do with how much boost an engine can run. It's all about compression. An 8:1 engine will be able to handle more boost than a 10:1 engine. Keep in mind that rods and cranks will usually be the weak point in forced induction setups. What good is a big boosting turbo and big stroke/bore if the rods are going to fold in half? Also remember, 15-25 psi is very different depending on the turbo size you run. Cfm will vary at the same boost levels depending on the turbo size. For example, I have a lot of experience with the srt4's. 15 psi on the little stock Mitsubishi turbo is COMPLETELY different than 15 psi on a 50 trim or a gt30/35r...
To answer the question...
Bore has nothing to do with how much boost an engine can run. It's all about compression. An 8:1 engine will be able to handle more boost than a 10:1 engine. Keep in mind that rods and cranks will usually be the weak point in forced induction setups. What good is a big boosting turbo and big stroke/bore if the rods are going to fold in half? Also remember, 15-25 psi is very different depending on the turbo size you run. Cfm will vary at the same boost levels depending on the turbo size. For example, I have a lot of experience with the srt4's. 15 psi on the little stock Mitsubishi turbo is COMPLETELY different than 15 psi on a 50 trim or a gt30/35r...
Last edited by 650NutKase; 05-13-2017 at 03:24 PM.