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From 160 to 171" on S&S Prostock engine.

From 160 to 171" on S&S Prostock engine.

Brad's new engine, 117"- no head work.

Brad's new engine, 117"- no head work.

120R resorected.

120R resorected.

The difference a little bigger engine can make.

The difference a little bigger engine can make.

Today's work, take off Fuelpack after base line dyno pull. Auto tune with Power Vision.

Today's work, take off Fuelpack after base li...

Dishing pistons for a 124" Twinky.

Dishing pistons for a 124" Twinky.

Another Drago 565 cam / Power Vision winner.

Another Drago 565 cam / Power Vision winner.

Today's work, dyno tuning a stage 3 Hyperpack.

Today's work, dyno tuning a stage 3 Hyperpack...

Weight transfer machining a set of Twinky flywheels for heavier H-Beam rods

Weight transfer machining a set of Twinky flywheel...

Boring bar wrong size? Use plan B

Boring bar wrong size? Use plan B

Boring a cylinder when it's out of boring bar range.

Boring a cylinder when it's out of boring bar...

5" bore cylinders.

5" bore cylinders.

Ridgid taping drag racing cylinders.

Ridgid taping drag racing cylinders.

Todd Frank's retune with Drago 580 cams and more compression.

Todd Frank's retune with Drago 580 cams and m...

4-3/8" bore isn't big enough, let's make it 4-1/2".

4-3/8" bore isn't big enough, let's...

Mark B's 103" 1976 FXE

Mark B's 103" 1976 FXE

Drago 565 cam, D&D exhaust, and Power Vision tune.

Drago 565 cam, D&D exhaust, and Power Vision t...

Nehring's 131" Twinky

Nehring's 131" Twinky

John's 147" .

John's 147" .

Little Cherry's maiden voyage.

Little Cherry's maiden voyage.

Metter's Carburated 113" .

Metter's Carburated 113" .