Boost Works: Jeff's 1500hp Kenne Bell build

Jeff came to us a few months back, and wanted to build a KB powered car. We took care of him, and his 700+whp 2015 has been a blast. Being local, we've built a great working relationship with Jeff and his wife. Over the last few months, we've talked about going bigger. With the test fitment of the bigger KB 4.2 and 4.7L head units, things have gone a bit nutty. Jeff has decided to work with us on building the world's fastest S550, and trying to set the S550/overall Mustang Texas Mile record. That number to beat as of March of this year is 221mph. To get there, we're aiming for around 1500bhp, or around 1250whp. Fuel of choice is E98 and a mix of VP C85.

The work has started this week, with order parts for block prep. The engine will be torn down and parts sent out for machine work, before coming back to us for final assembly. Along the way, we'll take tons of pics, and show you guys the insides of this 2nd generation Coyote engine.

Here's the plan:

Boost Works/KB designed 4.7LC Mammoth Supercharger Package-
- 4.7LC Head unit @ 25psi(estimated)
- Mammoth inlet
- 168mm oval TB
- Shelf stock manifold and intercooler (1500hp capable, comes in all kits)
- Modified ZR1 intercooler pump
- Custom 8 rib kit, with 20% OD balancer
- ID2000 injectors
- Fore Innovations hat with triple 465lph pumps
- Boost Works billet fuel rail kit

Engine Prep-
- Boost Works Pro Street 1500hp Crate Engine
- Ductile iron, .280" wall dry sleeves
- Displacement kept at 5 liters
- Boost Works prepped stock crank
- Oliver billet I-beam rods w/ARP L19 bolts
- Boost Works Spec'd Diamond Pistons
- Stainless ring pack, and .140" wall H11 tool steel pins
- O-ringed block with receiver groove in heads
- Titan SCE head gaskets
- Meziere electric water pump
- Stock head castings with mild clean-up work
- Stock camshafts
- Boost Works/PAC Alloy spring/retainer kit
- Bronze guides
- Beryllium/Copper seats
- Sodium filled/Inconel exhaust valves
- Stainless intake valves
- MMR Billet oil pump and lower timing chain gears
- MMR Billet chain guides and upper timing components

Trans/Rear-

- Magnum XL TR6060 transmission
- Custom McLeod built twin disc and flywheel
- Chrome-moly custom drive shaft
- 3.31 gear
- Stock LSD
- DSS 1400hp half shafts

Car will ride on 28.9" Hoosier R6 slicks out back, and 26.5" up front. A reinforced track pack front splitter will be used, along with a reinforced rear diffuser. Suspension is still TBD.. Most likely a custom coil-over setup using KW's.

Tuning will be handled by Lund Racing.. We are a dealer for them, and we trust these guys to get us down the mile safely. They have a proven track record out there.

Stay tuned, as pics and more info will start rolling in.

Keeping my eyes glued to this build!

Damn!! This is going to be badass!!

Best of luck getting that record. Would love to see that happen

We'll give it hell for sure.. There's a lot of good competition out there!

Excited to see what this build will do. Thanks for all your support.

Awesome build. Can't wait to see the result.

Any reason why you are sticking with the stock cams versus something from MMR or comp?

Plimmer said:

Awesome build. Can't wait to see the result.

Any reason why you are sticking with the stock cams versus something from MMR or comp?

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13mm of lift, stock, and the ability to control duration with variable cam timing on all 4 sticks. No reason to upgrade, really.. I mean, sure, we can put bigger in, but the cost to benefit ratio is way skewed. ;)

pilot0987 said:

Excited to see what this build will do. Thanks for all your support.

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Jeff, thanks for YOUR support. We appreciate you giving us the opportunity to build this monster.

Holy smokes Travis!

BMR Tech said:

Holy smokes Travis!

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Gotta get it, Kelly! BTW, I may need some parts from you on this build.. Give me a call when you have a free minute, if you don't mind.

Ductile iron block sleeves are a must at this power level..

Car is here! Parts are starting to roll in..





Engine comes out in a week or so, and we'll do a detailed tear-down with pics, so you guys can see the differences between the first and second gen Coyote.

BTW, we switched to a 4.2, versus the 4.7. The 4.7 is identical in size (just a big bore version of the 4.2 case), but it's a little overkill for what we're trying to make, power wise. The 4.2 will get us to 1300whp, and the 4.7 will end up just taking more power to spin at the HP level we're trying to achieve.

Magnum XL showed up this week. No more weak MT82!

scribed.... and jealous

:eyebulge: