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Zombie Survivalist
Joined: Feb 2009
Posts: 14,809
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From: Rock Springs, WY, USA
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hey yall. im kinda tossin round the idea of gettin a 70 f250 with a 300 in it. ive also got a friend with three 25 millimeter turbos (two work fine, the third needs rebuilt) that hes willin to sell to me for $200. i, bein the mad scientist i am, want better fuel economy and more power, and am thinkin to put all three on the 300. itd be a two into one setup, and i estimate 30 to 40 lbs of boost, through a four barrel TBI injection. my question is: will a bone stock 300 be able to handle that kind of pressure?? and would i even be able to run standard 87 pump gas at that rate?
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From: Boise, Idaho
Check out this forum:
FORDSIX PERFORMANCE • View forum - Turbo, Supercharger, and Nitrous
Either way, if you're serious about the project and complete it, POST PICS!
I'd love to see that.
FORDSIX PERFORMANCE • View forum - Turbo, Supercharger, and Nitrous
Either way, if you're serious about the project and complete it, POST PICS!
I'd love to see that.
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Joined: Dec 2007
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From: Boise, Idaho
True. And if I remember the formula right, 5 lbs is plenty for the 300 as is.
Low end = (0.053 * ci * (boost + 14.7))
High end = (0.077 * ci * (boost + 14.7))
So 5lbs is 313 to 455 hp, which is still a whole lot. 40 lbs would be 870 to 1264hp. Not sure many engines at all can take that kinda cranking on stock internals.
Low end = (0.053 * ci * (boost + 14.7))
High end = (0.077 * ci * (boost + 14.7))
So 5lbs is 313 to 455 hp, which is still a whole lot. 40 lbs would be 870 to 1264hp. Not sure many engines at all can take that kinda cranking on stock internals.
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Joined: Dec 2006
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From: Spokane, WA
Better the dream die than the engine grenade...but man going to the moon was a dream at one time too.
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Zombie Survivalist
Joined: Feb 2009
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From: Rock Springs, WY, USA
i know its a lot of boost. but bein american iron i figured it should be able to handle fairly decent boost levels at least (i.e. 20 lbs), seeins as the guy id be gettin em from runs 20+ in his stock saab motor...
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Post Fiend
Joined: Oct 2003
Posts: 6,949
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From: utica il
but saabs are built from jets
you would probably have to go with arp head studs at the least, and this is all i can suggest, because other than my dad's harley having a turbo on it, i have no experience with them first hand
you would probably have to go with arp head studs at the least, and this is all i can suggest, because other than my dad's harley having a turbo on it, i have no experience with them first hand
