2.5L (2493cc) Duratec Shortblocks
- Brand: Esslinger Engineering
- Product Code: 2.5L (2493cc) Duratec Shortblocks
- Availability: In Stock
Choose from 5 different compression ratio/ option packages to suit your specific needs. All our 2.5L shortblocks have an actual displacement of..
Available Options
Choose from 5 different compression ratio/ option packages to suit your specific needs. All our 2.5L shortblocks have an actual
displacement of 2493cc and are assembled by the same technicians that build our
winning engines. We take the same level of detail and care when assembling each
shortblock from the lowest to highest compression. Each shortblock package has
parts picked out to work the best in each given application. Check out the
parts lists. and accompanying machinework for each of the options below to help
you choose which shortblock will fit your needs the best!
Options:
9.5:1 Compression (good for turbo and
supercharged engines up to 700hp)
10.5:1 Compression (good for low pressure street
turbo/ supercharged as well as 91/93 octane normally aspirated engines spinning
up to 8000+rpm)
12:1 Compression (good for normally aspirated
engines spinning up to 8500+rpm on E85/ or 98RON+ fuel)
13.5:1
Compression (good for normally aspirated
engines spinning up to 8500+rpm on E85/ or 110 octane fuel)
14.4:1 Compression (good for normally
aspirated race engines spinning 9000+rpm on 114+ octane race gas, or methanol)
As with all our shortblock, and complete engine offerings, we start with a brand
new block, inspect it for imperfections, dimensions, or damage, before
completing the following modifications:
Tap front and rear oil galleys for -8AN O-ring
plugs
Tap intake side oil galley for -4AN O-ring plug
Surface Block deck square to crank centerline
Surface Girdle as needed
Install new main girdle hardware (Options: OEM
main bolts or ARP Main Stud Kit)
Align hone main tunnel to size
Install ARP Head Stud Kit for torque plate (stud
kit hardware available separately)
Torque Plate Hone cylinders to the correct
surface finish & clearance for our 3.507" bore 2.5L Duratec
pistons
Drill & tap VCT oil feed hole for thread
in plug (Drill & tapping for plug is optional, block comes without plug
as standard)
Debur all interior and exterior surfaces
Preliminary wash to remove machining chemicals
& chips (not to replace final wash before assembly)
Measure all critical dimensions as Quality
Control (bore, deck height, main housing bore dia., & cylinder surface
finish)
Install new heater hose elbow above water inlet
(** We can plug this port on engines without a thermostat**)
Includes new Head Dowels
Includes new Bellhousing Dowels
Includes new piston squirters
Includes new -8AN front & rear oil galley
plugs
Includes new -4AN side oil galley plug
Includes new VCT oil galley plug (***do not install when using a VCT cylinderhead***)
