Refresh of motor, with butler topendkit.
base shortblock estimated buildt around 2005-ish:
73 casting 455 bored 60 over = 469 piston is 0.001 in the hole
Speedpro L2359 .060 pistons
stock "N" crank 010 under
looks like stock rods, but with ARP rodbolts , probably resized.
Melling M54D pump (70 psi cold idle and 30 psi warm idle with 5W40) pickup welded.
New parts:
Butler topend edelbrock cnc ported heads with rollercam:
-Smith Bros 5/16 X .116, Oil Restricted, 2-Piece Chromemoly Pushrods, Custom Length, Set/16 SBR-CN5116C2-16, .030"
-Butler Performance "Tomahawk" Stock APPEARING Valley Pan w/ clearance
for Roller Lifters,
-Pontiac 1967-79 400-455 87cc Edelbrock DPort Heads, Ported to 315+CFM, Complete
-SPM-19374 Pontiac 400-455 BP Head Gaskets (canbe used on 350's also) (Set)
-Pontiac Edelbrock Torker II Intake- Port Matched to Ported Head ->too long delivery time, changed to Hurricane singleplane intake , portmatced.
-Butler Comp SP Street Performance Billet Roller Cam (HR) 3315-3316-HR112
282/288, 230/236, .510/.521, 112LS (StdFiring Order/ Std Journals)
-Pontiac Pro Billet Timing Set - Billet Gears 9 Keyway Crank Sprocket
w/Bronze bushing on cam gear
-Nitmare performance hardened pro cam plate w/oil groove 0.118 thick
-Butler D-Port Header Gasket, *2.120 X1.540*, Large Port fits Factory and
AftermarketSet/2 <- on the shelf, got remflex with large d-port.
-Johnson Lifters, Pontiac Lifter Set, HiPerf Hydraulic Roller, 326-455, Set/16
-Pontiac Intake Gaskets - Large Port 1.18X 2.35
-RMS02 Pontiac 3.25 inch Viton® Two-Piece Rear Main Seal
-OPG49 Pontiac One-Piece Oil Pan Gasket
-Pontiac Composite Distributor Gear .500 PDG38
First start:
https://www.youtube.com/watch?v=nAsGlLP9hjU
