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  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-

Fox Split Block Register

  • Thread starter Thread starter FastDriver
  • Start date Start date Jun 23, 2024
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FastDriver

I was uncomfortably high & wearing a helmet
SN Certified Technician
Sep 5, 2001
6,058
2,664
224
Vass, NC
Jun 28, 2024
#21
  • Jun 28, 2024
  • #21
blueprint blocks are 4-bolt main <---- Here

DESCRIPTION:​

This engine is designed and manufactured to factory specs for the specified vehicles below. It's manufactured using tighter machining tolerances, higher quality components, and finer balancing of the rotating assembly to make this engine better than the original while still meeting the description of a “replacement” engine.

View the Application List HERE

BLOCK:​

  • NEW BluePrint cast iron block
  • 4-bolt main
  • 4.000" bore
  • 1-Piece rear main seal

ROTATING ASSEMBLY:​

  • Ford, machined and balanced by BluePrint Engines
  • 3.000" Stroke
  • OEM type 5.090" connecting rods
  • OEM Spec Pistons
  • 50 oz External balance

CYLINDER HEADS:​

  • Iron Heads

CAM SPECS:​

  • Cam Type: Roller
  • OEM Spec per listed vehicles
  • Firing order: 1-3-7-2-6-5-4-8

IGNITION TIMING:​

  • OEM Specifications

ALSO INCLUDES:​

  • New valve covers

NOTES:​

  • Designed as factory replacement long block for specified vehicles and year ranges, using OEM specification parts. Customer to re-use existing intake manifold, ecu (if equipped), exhaust, fuel system etc. Modification or replacement of provided tinware, and minor accommodations such as dipstick location may be required.
  • Specifically designed as an OEM spec engine to meet emissions requirements of the specified vehicles, to meet the criteria of "replacement engine" in all 50 states.
  • MUST see attached application list above for fitment.
https://www.p65warnings.ca.gov/
 
Last edited: Jun 28, 2024
Reactions: Noobz347

Noobz347

Stangnet Facilities Maint Tech... Er... Janitor
Admin Dude
Jan 4, 1985
42,881
21,061
234
Box behind Walmart
Jun 28, 2024
#22
  • Jun 28, 2024
  • #22
FastDriver said:
blueprint blocks are 4-bolt main <---- Here

DESCRIPTION:​

This engine is designed and manufactured to factory specs for the specified vehicles below. It's manufactured using tighter machining tolerances, higher quality components, and finer balancing of the rotating assembly to make this engine better than the original while still meeting the description of a “replacement” engine.

View the Application List HERE

BLOCK:​

  • NEW BluePrint cast iron block
  • 4-bolt main
  • 4.000" bore
  • 1-Piece rear main seal

ROTATING ASSEMBLY:​

  • Ford, machined and balanced by BluePrint Engines
  • 3.000" Stroke
  • OEM type 5.090" connecting rods
  • OEM Spec Pistons
  • 50 oz External balance

CYLINDER HEADS:​

  • Iron Heads

CAM SPECS:​

  • Cam Type: Roller
  • OEM Spec per listed vehicles
  • Firing order: 1-3-7-2-6-5-4-8

IGNITION TIMING:​

  • OEM Specifications

ALSO INCLUDES:​

  • New valve covers

NOTES:​

  • Designed as factory replacement long block for specified vehicles and year ranges, using OEM specification parts. Customer to re-use existing intake manifold, ecu (if equipped), exhaust, fuel system etc. Modification or replacement of provided tinware, and minor accommodations such as dipstick location may be required.
  • Specifically designed as an OEM spec engine to meet emissions requirements of the specified vehicles, to meet the criteria of "replacement engine" in all 50 states.
  • MUST see attached application list above for fitment.
https://www.p65warnings.ca.gov/
Click to expand...

Thanks! That was scratching my brain
 
Q

Qtrhrse23

Member
Jul 2, 2024
18
7
13
Texas
Feb 1, 2026
#23
  • Feb 1, 2026
  • #23
Block: 92 GT
Bore/ Stroke/Rod length Factory
How used:
Street/Strip Daily
Machine work: none
Rotating Assembly weights: none
Balance: 50
Max RPM 5200
Dyno'd power or Track Trap speed & weight 505RWHP 5000RPM
Forced Induction Type:
Blower D1 11psi
Gridled? noa
Block damage:
Down the valley
Other Notes: Made 20 passes 420RWHP mid 11s ET Streets with stock heads, intake, cam shifting at 5200 2.73s 1.67 60ft. With heads and intake NEVER TAKEN ABOVE 5000. Busted it on the dyno. Motor had 90K, supercharged for 20K miles. RPM isnt the problem, its torque. 500RWLBs at 4400. AND motor mounts arent the problem either.
 
Last edited: Feb 1, 2026
Reactions: FastDriver
Q

Qtrhrse23

Member
Jul 2, 2024
18
7
13
Texas
Feb 1, 2026
#24
  • Feb 1, 2026
  • #24
FastDriver said:
blueprint blocks are 4-bolt main <---- Here

DESCRIPTION:​

This engine is designed and manufactured to factory specs for the specified vehicles below. It's manufactured using tighter machining tolerances, higher quality components, and finer balancing of the rotating assembly to make this engine better than the original while still meeting the description of a “replacement” engine.

View the Application List HERE

BLOCK:​

  • NEW BluePrint cast iron block
  • 4-bolt main
  • 4.000" bore
  • 1-Piece rear main seal

ROTATING ASSEMBLY:​

  • Ford, machined and balanced by BluePrint Engines
  • 3.000" Stroke
  • OEM type 5.090" connecting rods
  • OEM Spec Pistons
  • 50 oz External balance

CYLINDER HEADS:​

  • Iron Heads

CAM SPECS:​

  • Cam Type: Roller
  • OEM Spec per listed vehicles
  • Firing order: 1-3-7-2-6-5-4-8

IGNITION TIMING:​

  • OEM Specifications

ALSO INCLUDES:​

  • New valve covers

NOTES:​

  • Designed as factory replacement long block for specified vehicles and year ranges, using OEM specification parts. Customer to re-use existing intake manifold, ecu (if equipped), exhaust, fuel system etc. Modification or replacement of provided tinware, and minor accommodations such as dipstick location may be required.
  • Specifically designed as an OEM spec engine to meet emissions requirements of the specified vehicles, to meet the criteria of "replacement engine" in all 50 states.
  • MUST see attached application list above for fitment.
https://www.p65warnings.ca.gov/
Click to expand...

Wonder how much they weigh. I never bought into the B50 cause the weight was to similar to the regular block
 
Last edited: Feb 1, 2026

FastDriver

I was uncomfortably high & wearing a helmet
SN Certified Technician
Sep 5, 2001
6,058
2,664
224
Vass, NC
Feb 1, 2026
#25
  • Feb 1, 2026
  • #25
Stock internals? That's an unusual one. Did 8t split down the lifter valley?
 

General karthief

wonder how much it would cost to ship you a pair
Mod Dude
Aug 25, 2016
27,827
10,508
203
polk county florida
Feb 1, 2026
#26
  • Feb 1, 2026
  • #26
Qtrhrse23 said:
Block damage: Down the valley
Click to expand...
FastDriver said:
Stock internals? That's an unusual one. Did 8t split down the lifter valley?
Click to expand...
Yup, apparently!!
 
Reactions: FastDriver

FastDriver

I was uncomfortably high & wearing a helmet
SN Certified Technician
Sep 5, 2001
6,058
2,664
224
Vass, NC
Feb 2, 2026
#27
  • Feb 2, 2026
  • #27
Damn... oversight on my part... Sry. This is one of the 500-rule splits. Wow...
 

AeroCoupe

lube between the nut and the face. I know my lubes
Founding Member
Oct 28, 2001
5,774
3,912
183
Claremore, OK
Feb 2, 2026
#28
  • Feb 2, 2026
  • #28
Do you have any pictures? I know we have seen them but its always interesting so see where the split is.
 
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