fordfan77

This could have come down to who had the best tires, suspension, and driver.

Terminator Cobras made impressive pump gas power under heavy boost using a smaller 4 valve engine. While it may take a forged bottom end and head porting, I think the 5.0 could make most power on 91 octane.

Keeping the displacement the same, and throwing everything available at each motor and running the boost as high as you can on 91 pump gas, I vote Coyote.

But of course a 4 valve 6.2 with a Kenne Bell blower on top, would top them all, but cost the most, I think the 5.0 would be cheaper to build too.

WarSurfer

JLP has F150 5.0's putting 580hp to the rear wheels on stock internals, non-ported heads.

The 6.2 wasn't built to withstand f/i, cast pistons, forged rods and a steel crank. 600ish seems to be a safe number but not much higher without better pistons.

EcoboostKev

Maybe I'm mistaken but i thought i read somewhere that the Eco had a forged crank and pistons? Along with the 6 bolt mains and that the pistons are the same design that is used in the 6.7 diesel??

Scrappy Doo

iTrader: (1)

In the end.... It all comes down to the line in bold above.....

Credit card racing!

skidsareforkids

A V8 "ecoboost" as hinted in that Sema video would be immense! I'm very impressed with the current Eco trucks, but I just couldn't ever love a truck quite as much with a six cylinder... Full-sized trucks ought to have full-sized engines IMO. 2014 or 2015 can't come soon enough

f150man3.5

I hope you arn't let down by your available engine choices..........

EcoboostKev

I thought the same thing until I took one for a test drive. After that ride I didn't care how many cylinders were under the hood! I had to have it! Once I hooked it to my travel trailer I was amazed how it towed with ease never going over 2600rpm's on the steepest hills. I could only imagine what kind of BEAST a 5.0 ecoboost would be!

LaBalaDePlata

iTrader: (3)

blown 5.0 !!! cams heads springs 3.73s tranny stall longtubes. upgraded pulley on the blower ( magnunson has a real good kit) that should see you running rather well, of course it will set you back a bit: roughly:::

blower kit: $6500 heads $3000 cams $1500 springs $800 good longtube system $1500 gears&install kit $500 tranny stall $1000 plus installation!!! but hey, i can dream right???

WarSurfer

The ECO and 5.0 have hyper pistons, powdered rods and forged cranks. Eco does have a 6 bolt main.

http://www.popularhotrodding.com/tec...r/viewall.html

Ford 6.7 has cast pistons

http://www.dieselpowermag.com/featur...e/viewall.html

fordfan77

Sure adds up quick when you need 4 cams and 32 valve springs. I could save on the gears by ordering the truck with 3.73's like my '09.