DYNO DETAILS
Headers Lemons 23¼8 long-tubes into 5-inch collector mufflers
Advance 40 degrees
Carburetors Dual 1,050-cfm Holley Ultra Dominators
Main air bleeds 34
Jets 30/30

RPM HP LB-FT
6,100 901 776
6,200 913 774
6,300 929 774
6,400 944 775
6,500 957 773
6,600 965 768
6,700 973 763
6,800 980 757
6,900 987 751
7,000 994 745
7,100 1,000 740
7,200 1,005 733
7,300 1,009 726
7,400 1,013 719
7,500 1,017 712
7,600 1,020 705
7,700 1,025 699
7,800 1,034 696
7,900 1,036 689
8,000 1,037 681
8,100 1,035 671
8,200 1,033 662
8,300 1,028 651
8,400 1,023 640
AVG 994 724

Track Notes

Run 60-Foot ET MPH
Motor 1.42 8.98 156
Nitrous * 8.35 171
*Nitrous is never engaged until 1.5 seconds into the run.

BIG M BUILD SPECS
Bore 4.600
Stroke 4.500
Displacement 598ci
Piston compression height 1.235
Piston deck clearance -0.010
Block deck height 10.200
Compression ratio 15.8:1
Piston-to-wall clearance 0.007
Ring design 0.043bc,
  0.043bc,
  31/416
Ring end gaps 0.038, 0.042
Rod-bearing clearanc 0.0025
Main-bearing clearance 0.003
Crank endplay 0.008
Main bearing cap torque 110 ft-lb
  (w/moly-lube)
Rod bolt torque 68 ft-lb
  (w/moly-lube)
Head bolt torque 60/70/80 ft-lb
  (w/moly-lube)

ENGINE BALANCE
Rod (large end) 500 g
Rod (small end) 200 g
Total rod weight 700 g
Oil allowance 4 g
Piston 600 g
Piston pin 125 g
Locks 4 g
Rings 63 g
Bearings 50 g
Total bob weight 2,096 g
* Except as noted, all dimensions are in inches.

BMF 405 CYLINDER HEAD SPECS
Casting A356-A virgin-grade,
  heat-treated to T6
Valveguides manganese bronze
Chamber size 119cc
Valves 2.350x5.494, intake;
  1.880x5.422, exhaust
· Raised exhaust ports (0.625 inch)
· Increased deck thickness (0.700 inch)
· Drilled and tapped for inside bolts
· Ductile iron valve seats
· Bronze alloy valveguides
· Available machined for Jesel rocker arms
· Available w/chamber volumes from
119cc to 124cc

Lift Intake* Exhaust*
0.300 258 174
0.400 325 212
0.500 375 250
0.600 411 277
0.700 429 292
0.800 443 304
0.900 456 315
*cfm @ 28 inches H2O

Cam Specs
ManufacturerComp Cams
Part number11-000-14
Type55mm solid-roller
Gross Valve Lift 0.824*/0.800†
Duration @ 0.050289*/304†
Lash (cold)0.018*/0.022†
Lash (hot)0.022*/0.026†
Lobe separation 114 degrees
Intake†Exhaust

SOURCE
Comp Cams Inc.
3406 Democrat Road
Memphis
TN  38118
800-999-0853
www.compcams.com
Moroso Performance Products
80 Carter Drive
Guilford
CT  06437
203-453-6571
http://www.moroso.com/
MSD IGNITIONS
El Paso
915-857-5200
www.msdignition.com
Jesel
1985 Cedar Bridge Ave
Lakewood
NJ  08701
732-901-1800
www.jesel.com
Lunati
662-892-1500
http://www.lunatipower.com/
Holley Performance Products
1801 Russellville Rd.
Bowling Green
KY  42101
270-781-9741
http://www.holley.com
ARP
1863 Eastman Avenue
Ventura
CA  93003
800-826-3045
www.arp-bolts.com
C&O Automotive
N/A
Nitrous Oxide Systems
1801 Russellville Rd.
Bowling Green
KY  42101
800-465-5391
www.holley.com
CFE Racing
N/A
www.cferacing.com
ATI Performance Products
6747 Whitestone Road
Baltimore
MD  21207
877-298-5039
http://www.atiracing.com
Cubic Flow Modifications
N/A
www.cfmperfcarbs.com
Dart Machinery
353 Oliver Street
Troy
MI  48084
248-362-1188
http://www.dartheads.com
Jeff Johnston's Billet Fabrication
N/A
www.billetfab.com
JE Pistons
15312 Connector Lane
Huntington Beach
CA  92649
714-898-9763
http://www.jepistons.com
Motivational Engineering
N/A
www.motivational.net
SCE Gaskets
1122 West Ave.
L-12
Lancaster
CA  93534
661-728-9200
www.scegaskets.com
Quarter Mile Performance
N/A
www.qmpracing.com
Total Seal Inc
22642 North 15th Avenue
Phoenix
AZ  85027
800-874-2753
www.totalseal.com
Titan Speed Engineering
Ojai
CA
805-525-8660
www.titanspeed.com
GRP Connecting Rods
333 W. 48th Ave. CO
Denver
CO  80216
303-935-7565
www.grpconrods.com