[Lloyd-TX]

Great thread!

This is the engine in my Formula, best pass in my sig below. Car is fairly loaded with A/C, P/S, PDB, P/W, etc. Everything works, BTW.

Pump gas 467" HO engine:

1970 "XF" code 455 block, 4.200" bore, zero decked
103 "N" crank, .010/.010, stock stroke
Eagle 6.625" H-beam rods
Custom ordered JE pistons, 10cc dome, 9.98:1 calculated CR, 215 PSI cranking pressure
Sealed power rings, FM bearings
Melling 60 PSI RA IV oil pump and driveshaft
7F6 '72 HO heads, ported to 276 Int / 176 Exh @ .550" lift @ 28" by Dan Barton of Westside Machine here in Houston
Bullet Cams solid flat-tappet camshaft, 232/235 @ .050", 144/145 @ .200", 538"/.555" net lift
Crower lifters, HS 1.65 (1.73) roller rockers, Comp 9.300" moly pushrods
Stock unported '72 HO aluminum intake
17084910 455SD SR Q-Jet, tuned by myself
Mallory Comp 140 fuel pump, Mallory return-style regulator, 1/2" feed and 3/8" return lines, BG pre-pump fuel filter
NOS OEM Pontiac point distributor w/ a "Breakerless SE" electronic conversion, custom re-curved by Rocky Rotella
R.A.R.E. 2.45" outlet SD exhaust manifolds
PYPES 2.5" mandrel-bent X-pipe exhaust system
Tom Hand prototype single transverse muffler
'69 TH400, rebuilt and upgraded by Circle D transmissions, 12.5" 8625982 GM "L88" converter, 2800 RPM flash
Moser 12-bolt diff, Eaton super duty posi, 3.42 gears
15x8 repop Rally II's, P255/60 fronts and P275/60 (28" tall) MT drag radials
"Race" weight of 3950#

Engine dyno netted 430 CBHP @ 5100 and 530 CBTQ @ 3000.

Idles with just a bit of a "rump" @ 850 RPM in gear with 14-15" of vacuum, and the torque will flat tear your head off!