Pontiac 400 CI block 1973 2 bolt main
Bored +.060 over to 411.6834
Block torque plate bored and honed
Mains align honed w/ARP main studs installed
Crank is 73 400 Nodular iron turned .020-.020
Block decked to .00 deck height
Brass freeze plugs installed
Pistons-Ross Custom racing flat tops +.060
Rings Sealed Power Total Seal Classics w/ductile iron moly coated top ring each ring file fit to bore
Rods-Eagle steel 6.625 long ESP H beam w/ ARP bolts
Federal Mogul Trimetal full groove main bearings +.020
Clevite 77 rod bearings +.020
Clearance at .0025 mains and .0025 at rods
Complete assembly balanced
Canton road race oil pan installed with crank wiper and Melling pump
Heads 6X Pontiac w/bronze guides, new hardened seats stainless steal valves, port matched, ported in bowl area, and short side radius, w/ exhaust cross over filled
Heads milled .070 to achieve a 8.4 to 1 compression ratio
Competition Cams # 995-16 springs steel retainers w/10 degree locks
Competition Cams roller rockers 1.52 ratio, Crane Cams cool nuts
Ultra Dyne solid lifer cam duration @ .050 Intake 243 - Exhaust 251 and Lift @ Intake .518 @ Exhaust .520 w/1.53 rockers Lobe center is 112 installed 8 degrees advanced to 103.5
Flow Tech (by Holley) ceramic coated headers 3 collectors flowing to 2-1/2 X pipe and Magna Flow mufflers
Edelbrock Performer RPM manifold w/ Carb Shop Custom Q-jet carb
MSD billet distributor w/ 15 degrees initial 36 total, MSD 6AL box with rev limiter and MSD Blaster SS coil
Custom built Continental tight 10 3200 stall converter
Turbo 350 trans by Hughes
B&M Quicksilver shifter
8.5 10 bolt with Auburn posi and 3.90 gears, Moser axles 28 spline
Southside lift bars
NOS Cheater nitrous system adjustable from 125HP-250HP
Aeromotive fuel pump, Comp Engineering fuel sump, flowing threw Aero @ Russell hoses to Aeromotive regulator
Paint is code #29 GM Dark Blue metallic
All work performed by owner except machine work by Archie S. at Somers machine shop, and Karl Boe for the tuning help!
Car runs 13.00 - 105.68 mph street tires, 11.50s spraying 200hp hit.
Car weights 4100 lbs. Currently re-building motor same heads ported, better head gaskets, Cosmetics ARP head studs.
Easy 12s on motor I hope. Dont know if Ill finish motor this season or not.
