Spool Short Engines

Precisely Machined, Blueprinted and Assembled

(Note: An exchange block is required with any Spool Short Engine purchase)


Ford

Machining and blueprinting:

  • Supply XR6 short
  • Dismantle XR6 block
  • Hot tank and wash XR6 block
  • Torque plate bore and hone block
  • Supply and remove/fit welsch plugs
  • Grind crank
  • Regrind crank to size
  • Check tunnel and hone
  • Mount and measure crank main journals
  • Mount and measure crank big end journals
  • Mount and measure crank in block with rods fitted
  • Check conrod small ends / piston pins and clearance
  • Check piston to bore clearance
  • Balance assembly
  • Install No#1and 6 rod and pistons – check deck alignment
  • Deck / machine block
  • Clean and inspect
  • Measure and set bearing clearances
  • Measure piston to bore clearances
  • Set ring gaps
  • Assemble short engine assembly – 6 cyl

Parts Supplied:

  • Supply and install CP / Ross forged pistons (upgraded 9310 pins optional at additional cost)
  • Supply and install SPOOL XR6 H beam conrods (upgraded L19 bolts optional at additional cost)
  • Supply and install ACL race series main bearings
  • Supply and install ACL race series big end bearings
  • Supply and install ARP main studs
  • Supply and install SPOOL Main girdle

Nissan

Spool CA18DET (87.6mm stroke x 84mm bore = 1942cc) Short Engine.

  • Custom forged CP pistons - any comp and bore size is available
  • Spool billet, nitrided, full counterweight 87.6mm stroke crank
  • Spool 4340 I beam conrods - ARP2000 3/8 bolts
  • ARP main studs
  • ACL race series main and b/e bearings
  • New welsch plugs
  • New oil gallery soft plugs

 

  • Block has been torque plate bored and hone
  • Decked block surface
  • Rotating assembly balance

Machining and blueprinting:

  • Dismantle RB26 block
  • Hot tank and wash RB26 block
  • Clearance block for 77.7mm crank
  • Torque plate bore and hone block
  • Supply and remove/fit welsch plugs
  • Drill and tap extra idler hole
  • Debur main bearing seats
  • Mount and measure crank main journals
  • Mount and measure crank big end journals
  • Mount and measure crank in block with rods fitted
  • Check conrod small ends / piston pins and clearance
  • Balance assembly
  • Install No#1and 6 rod and pistons – check deck alignment
  • Deck / machine block
  • Remove and fit 2 x Oil Gallery Plugs
  • Re-clean and inspect
  • Assemble short engine assembly – 6 cyl
  • Measure and set bearing clearances
  • Measure piston to bore clearances
  • Set ring gaps

Parts Supplied:

  • Supply and install custom CP forged pistons
  • Supply SPOOL 77.7mm Billet stroker crank
  • Supply and install SPOOL RB28 I beam conrods
  • Supply and install ACL race series main bearings
  • Supply and install ACL race series big end bearings
  • Supply and install ARP main studs
  • CP Forged pistons ( custom piston option available, upgrade pin option available )
  • Spool H Beam con rods ( upgraded Drag Pro I beam option available / upgraded L19 bolt option available )
  • Hot tanked and washed block
  • Torque plate bored and honed block
  • Supply and remove/fit new welsch plugs
  • Linish crank if required
  • Mount and measure crank main journals
  • Mount and measure crank big end journals
  • Mount and measure crank in block with rods fitted
  • Check conrod small ends / piston pins and clearance
  • Balance assembly
  • Install No#1and 6 rod and pistons – check deck alignment
  • Deck / machine block
  • Remove and fit 2 x Oil Gallery Plugs
  • Final Clean and inspect
  • Assemble short engine assembly
  • Measure and set bearing clearances
  • Measure piston to bore clearances
  • Set ring gaps

Parts Supplied:

  • Supply and install CP forged pistons
  • Supply and install Spool H Beams
  • Supply and install ACL race series main bearings or King XP
  • Supply and install ACL race series big end bearings or King XP
  • Supply and install ARP 2000 main studs
  • Supply and install new welsch plugs
  • Supply and install new oil gallery plugs

Email for all upgraded option prices.

Add $350 if crankshaft requires grinding

Add $250 if crank collar is required

  • CP Forged pistons ( custom piston option available, upgrade pin option available )
  • Spool H Beam con rods ( upgraded Drag Pro I beam option available / upgraded L19 bolt option available )
  • Hot tanked and washed block
  • Torque plate bored and honed block
  • Supply and remove/fit new welsch plugs
  • Linish crank if required
  • Mount and measure crank main journals
  • Mount and measure crank big end journals
  • Mount and measure crank in block with rods fitted
  • Check conrod small ends / piston pins and clearance
  • Balance assembly
  • Install No#1and 6 rod and pistons – check deck alignment
  • Deck / machine block
  • Remove and fit 2 x Oil Gallery Plugs
  • Final Clean and inspect
  • Assemble short engine assembly
  • Measure and set bearing clearances
  • Measure piston to bore clearances
  • Set ring gaps

Parts Supplied:

  • Supply and install CP forged pistons
  • Supply and install Spool H Beams
  • Supply and install ACL race series main bearings or King XP
  • Supply and install ACL race series big end bearings or King XP
  • Supply and install ARP 2000 main studs
  • Supply and install new welsch plugs
  • Supply and install new oil gallery plugs

Email for all upgraded option prices.

Add $350 if crankshaft requires grinding

Add $250 if crank collar is required

  • CP Forged pistons ( custom piston option available, upgrade pin option available )
  • Spool H Beam con rods ( upgraded Drag Pro I beam option available / upgraded L19 bolt option available )
  • Hot tanked and washed block
  • Torque plate bored and honed block
  • Supply and remove/fit new welsch plugs
  • Linish crank if required
  • Mount and measure crank main journals
  • Mount and measure crank big end journals
  • Mount and measure crank in block with rods fitted
  • Check conrod small ends / piston pins and clearance
  • Balance assembly
  • Install No#1and 6 rod and pistons – check deck alignment
  • Deck / machine block
  • Remove and fit 2 x Oil Gallery Plugs
  • Final Clean and inspect
  • Assemble short engine assembly
  • Measure and set bearing clearances
  • Measure piston to bore clearances
  • Set ring gaps

Parts Supplied:

  • Supply and install CP forged pistons
  • Supply and install Spool H Beams
  • Supply and install ACL race series main bearings or King XP
  • Supply and install ACL race series big end bearings or King XP
  • Supply and install ARP 2000 main studs
  • Supply and install new welsch plugs
  • Supply and install new oil gallery plugs

Email for all upgraded option prices.

Add $350 if crankshaft requires grinding

Add $250 if crank collar is required

  • CP Forged pistons ( custom piston option available, upgrade pin option available )
  • Spool H Beam con rods ( upgraded Drag Pro I beam option available / upgraded L19 bolt option available )
  • Hot tanked and washed block
  • Torque plate bored and honed block
  • Supply and remove/fit new welsch plugs
  • Linish crank if required
  • Mount and measure crank main journals
  • Mount and measure crank big end journals
  • Mount and measure crank in block with rods fitted
  • Check conrod small ends / piston pins and clearance
  • Balance assembly
  • Install No#1and 6 rod and pistons – check deck alignment
  • Deck / machine block
  • Remove and fit 2 x Oil Gallery Plugs
  • Final Clean and inspect
  • Assemble short engine assembly
  • Measure and set bearing clearances
  • Measure piston to bore clearances
  • Set ring gaps

Parts Supplied:

  • Supply and install CP forged pistons
  • Supply and install Spool H Beams
  • Supply and install ACL race series main bearings or King XP
  • Supply and install ACL race series big end bearings or King XP
  • Supply and install ARP 2000 main studs
  • Supply and install new welsch plugs
  • Supply and install new oil gallery plugs

Email for all upgraded option prices.

Add $350 if crankshaft requires grinding

Add $250 if crank collar is required

RB32 forged short engines - suit RB30 SOHC and RB25 or RB26 cylinder head conversion.

Machining and blueprinting:

  • Supply RB30 block
  • Dismantle RB30 block
  • Hot tank and wash RB30 block
  • Torque plate bore and hone block
  • Supply and remove/fit welsch plugs
  • Drill and tap extra idler hole
  • Machine annular groove in main bearing seats (optional)
  • Debur main bearing seats
  • Mount and measure crank main journals
  • Mount and measure crank big end journals
  • Mount and measure crank in block with rods fitted
  • Check conrod small ends / piston pins and clearance
  • Balance assembly
  • Install No#1 and 6 rod and pistons – check deck alignment
  • Deck / machine block
  • Supply and fit oil restrictors
  • Remove and fit 2 x Oil Gallery Plugs
  • Re-clean and inspect
  • Assemble short engine assembly – 6 cyl
  • Measure and set bearing clearances
  • Measure piston to bore clearances
  • Set ring gaps

Parts Supplied:

  • Supply and install custom CP / JE forged pistons
  • Supply SPOOL 91mm Billet stroker crank
  • Supply and install SPOOL RB32 I beam conrods
  • Supply and install ACL race series main bearings
  • Supply and install ACL race series big end bearings
  • Supply and install ARP main studs

Billet Caps and girdle do not come standard on any short engines but are an option for additional cost.

RB34 forged short engines - suit RB30 SOHC and RB25 or RB26 cylinder head conversion.

Machining and blueprinting:

  • Supply RB30 block
  • Dismantle RB30 block
  • Hot tank and wash RB30 block
  • Clearance block for 94mm crank
  • Torque plate bore and hone block
  • Supply and remove/fit welsch plugs
  • Drill and tap extra idler hole
  • Machine annular groove in main bearing seats (optional)
  • Debur main bearing seats
  • Mount and measure crank main journals
  • Mount and measure crank big end journals
  • Mount and measure crank in block with rods fitted
  • Check conrod small ends / piston pins and clearance
  • Balance assembly
  • Install No#1 and 6 rod and pistons – check deck alignment
  • Deck / machine block
  • Supply and fit oil restrictors
  • Remove and fit 2 x Oil Gallery Plugs
  • Re-clean and inspect
  • Assemble short engine assembly – 6 cyl
  • Measure and set bearing clearances
  • Measure piston to bore clearances
  • Set ring gaps

Parts Supplied:

  • Supply and install custom CP forged pistons
  • Supply SPOOL 94mm Billet stroker crank
  • Supply and install SPOOL RB34 I beam conrods
  • Supply and install ACL race series main bearings
  • Supply and install ACL race series big end bearings
  • Supply and install ARP main studs

Billet Caps and girdle do not come standard on any short engines but are an option for additional cost.

Toyota

  • CP Forged pistons ( custom piston option available, upgrade pin option available )
  • Spool H Beam con rods ( upgraded Drag Pro I beam option available / upgraded L19 bolt option available )
  • Hot tanked and washed block
  • Torque plate bored and honed block
  • Supply and remove/fit new welsch plugs
  • Linish crank if required
  • Mount and measure crank main journals
  • Mount and measure crank big end journals
  • Mount and measure crank in block with rods fitted
  • Check conrod small ends / piston pins and clearance
  • Balance assembly
  • Install No#1and 6 rod and pistons – check deck alignment
  • Deck / machine block
  • Remove and fit 2 x Oil Gallery Plugs
  • Final Clean and inspect
  • Assemble short engine assembly
  • Measure and set bearing clearances
  • Measure piston to bore clearances
  • Set ring gaps

Parts Supplied:

  • Supply and install CP forged pistons
  • Supply and install Spool H Beams
  • Supply and install ACL race series main bearings or King XP
  • Supply and install ACL race series big end bearings or King XP
  • Supply and install ARP 2000 main studs
  • Supply and install new welsch plugs
  • Supply and install new oil gallery plugs

Email for all upgraded option prices.

Add $350 if crankshaft requires grinding

Add $250 if crank collar is required

  • CP Forged pistons ( custom piston option available, upgrade pin option available )
  • Spool H Beam con rods ( upgraded Drag Pro I beam option available / upgraded L19 bolt option available )
  • Hot tanked and washed block
  • Torque plate bored and honed block
  • Supply and remove/fit new welsch plugs
  • Linish crank if required
  • Mount and measure crank main journals
  • Mount and measure crank big end journals
  • Mount and measure crank in block with rods fitted
  • Check conrod small ends / piston pins and clearance
  • Balance assembly
  • Install No#1and 6 rod and pistons – check deck alignment
  • Deck / machine block
  • Remove and fit 2 x Oil Gallery Plugs
  • Final Clean and inspect
  • Assemble short engine assembly
  • Measure and set bearing clearances
  • Measure piston to bore clearances
  • Set ring gaps

Parts Supplied:

  • Supply and install CP forged pistons
  • Supply and install Spool H Beams
  • Supply and install ACL race series main bearings or King XP
  • Supply and install ACL race series big end bearings or King XP
  • Supply and install ARP 2000 main studs
  • Supply and install new welsch plugs
  • Supply and install new oil gallery plugs

Email for all upgraded option prices.

Add $350 if crankshaft requires grinding

Add $250 if crank collar is required


Common Spool Short Engines:

Nissan: RB20, RB25, RB26, RB30, RB28 Stroker, RB32 Stroker, RB34 Stroker, SR20, SR20 Stroker, CA18 and CA18 Stroker

Toyota: 1JZ, 2JZ and 2JZ Stroker

Ford: Barra XR6 Turbo

Spool Short Engines typically include the following:

  • Dismantle block
  • Hot tank and wash block
  • Clearance block for stroker crankshaft (where applicable)
  • Torque plate bore and hone block
  • Supply and remove/fit welsch plugs
  • Drill and tap extra idler hole
  • Machine annular groove in main bearing seats (optional)
  • Debur main bearing seats
  • Grind crank (where applicable)
  • Regrind crank to size (where applicable)
  • Check tunnel and hone (where applicable)
  • Mount and measure crank main journals
  • Mount and measure crank big end journals
  • Mount and measure crank in block with rods fitted
  • Check conrod small ends / piston pins and clearance
  • Balance assembly
  • Check deck alignment
  • Deck / machine block
  • Supply and fit oil restrictors
  • Remove and fit 2 x Oil Gallery Plugs
  • Re-clean and inspect
  • Measure and set bearing clearances
  • Measure piston to bore clearances
  • Set ring gaps
  • Assemble short engine

Parts typically included:

  • Custom CP or Ross Forged Pistons (Upgraded 9310 pins available at additional cost)
  • Spool H Beam or Drag Pro I Beam Conrods
  • ARP 2000 Conrod Bolts (Upgraded L19 bolts available at additional cost)
  • Spool Billet Stroker Crankshaft (where applicable)
  • ACL race series main bearings
  • ACL race series big end bearings
  • ARP Main Studs
  • Spool Main Girdle (where applicable)

Please contact us for a quote: sales@spoolimports.com