Oldsmobile 350ci / 325+HP Long Block
* Fully Balanced & Blueprinted Assembly

 
Peak Horsepower:
    325+ bhp
Operating Range:
    1400 - 5600 rpm
Compression Ratio:
    9.5:1
 
$ 4,499.00 Long Block
Stock Stamped Steel Rockers

$ 4,999.00 Long Block
Full Roller Rockers, w/ 7/16" Screw-in Studs & Guide Plates

* Please note: All of our Engines are Custom Built per Application, and can be Custom Tailored to fit your Specific Needs. Please Allow 2-4 weeks for Delivery.

Specs:  
     Block: Chemically cleaned, De burred, then Stainless-Steel Airless Shot Peened to Remove all Paint & Rust. Visually Inspected, and Fully Magna fluxed. Blueprint Square Decked, Blueprint Bored, Honed with torque-plates and then pressure washed. Durabond one-piece cam bearings and pioneer brass freeze plugs installed.
     Crank: Airless Shot Peened, Performance Index Ground Factory Crankshaft, Micro Polished, with Chamfered Oil Holes.
     Rods: Factory Steel Connecting Rods, Airless Shot Peened for Strength, Resized with New ARP Performance Rod Bolts
     Pistons: Speed Pro Flat Tops
     Rings: Speed-Pro Plasma-Moly
     Bearings: Clevite Performance Main and Rod Bearings, Durabond One-Piece Cam Bearings
     Core Plugs: Pioneer Brass Freeze Plugs
     Lifters: Comp Cams Hydraulic
     Pushrods: Comp Cams Magnums
     Valve Springs: Comp Cams
     Rocker Arms: SBI Factory Steel, or Comp Cams Full Rollers
     Timing Set: Comp Cams True Double Roller
     Timing Cover: Factory Re-conditioned
     Oiling System: Melling High Volume Pump, Pickup Tube and HD Drive
     Oil Pan: Factory Re-conditioned
     Balancer: New Professional Products Performance Unit, w/ Degree Marks
     Gasket Set: Fel-Pro Performance
     Head Bolts: ARP Performance
     Rod Bolts: ARP Performance Wave-Lock
     Balancing: Computer Spun Balanced to within 1 gram.
Cam:
  Manufacturer:
     Comp Cams
  Type:
     X-Treme Energy Hydraulic
  Operating Range:
     1400 - 5600rpm
  Idle Quality:
     Slightl Rough Idle
  Duration:
    Intake: 224° @ .050"
    Exhaust: 230° @ .050"
  Lift:
    Intake: .485"
    Exhaust: .490"
  Lobe Separation:
     110°
Heads:
  Type:
     Factory Cast Iron
  Combustion Chamber:
     Depends on Casting Number
  Intake Runner:
     Depends on Casting Number
  Intake Valves:
     2.000" Stainless Steel
  Exhaust Valves:
     1.625" Stainless Steel
  Valve Guides:
     Performance Bronze
  Machining:
     Performance Serdi 5-Angle Valve Job, w/ pocket porting. Custom Porting Available!

Larry's Auto Machine

175 Leonard Drive
Groton, CT 06340

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