Pics of the new 340.

Mike its a Proform body and metering blocks. Dwayne had to put the metering blocks on it after the A/F went high 19s on the dyno with the old 650 blocks.

71Blueduster. Its nothing fancy, good machine work, good heads, big cam and moderate compression. It made 478horse @ 6900rpms and 410ftlbs @ 5200rpms. Average horse power was 440 and average torque was 398.

Engine
* 1973 340 block
* decked to +.020 deck height(pistons above deck)
* bored .030 over
* Ross flat tops with max weight removal option*** and .927 pin bores
* B&B tool steel wrist pins, 2.500 X .927 X .090 wall(piston and pin 525g)
* OE rods bushed to .927, fully polished, resized, lightened, ARP bolts
* OE steel crank( reground, strokes equalized, indexed)
* Milodon deep pan
* Melling oil pump
* double roller timing set
* Crower 262/265 @ .050, .575/.585 solid lifter cam
* Crower lifters
* ported 587 heads with MP 2.02/1.60 valves, milled for true 11:1 CR
* bronze guides and hardened exhaust seats
* Crower dual springs
* Comp 10deg retainers and machined locks
* Edelbrock Victor intake, gasket matched, mild plenum mods
*HVH 1" spacer
*Profrom 750
* Harland Sharp 1.5 roller rockers and HD thick wall shafts
* Crane pushrods
* MP moly coated fuel pump eccentric
* MP OEM replacement 340 damper


71Duster. I think the valve covers would have looked fine on a blue motor. Just didnt look right on the red one. Also they are Moroso not Mopar Valve covers.