Thumpr 227/241 LSA 107 Hydraulic Roller Camshaft Ford 351W & 5.0L - Lumpy Choppy Idle

Comp Cams 35-600-8 Ford 351 5.0L Windsor Hydraulic Roller Camshaft & Choppy Thumping Idle.

High performance street Windsor Hydraulic Roller camshaft with nice racy idle. Can work with the stock converter, however best with a 2000+ converter and gears, choppy/thumping idle. This camshaft has a tight lobe separation so you will loose manifold vacuum and this may affect your power brakes. 

This Windsor camshaft has the large base circle, so will fit into both early and late windsor blocks (tall & short lifter bores) If using in a late OEM roller block, you can use the OEM dog bone type lifters or a Tie Bar lifter. If using this camshaft in the early short lifter bores, you must only use Tie Bar lifters. 

Engine Family:  Ford 351W Windsor 8 Cylinder (1969-1996)

Base Circle:  Large - suits OEM Windsor roller blocks with tall lifter bores - can use both OEM drop in lifters & Tie Bar lifters. 

Firing Order: 351 Windsor / 5.0L Windsor

RPM Operating Range:  1,900-5,600

Grind Number:  283THR7

Cam Type:  Hydraulic Roller

Lifter Style:  Hydraulic Roller

Camshaft Series:  Thumpr

Usage:  Street/Performance

Advertised Intake Duration:  283

Advertised Exhaust Duration:  303

Intake Duration at .050 Inch Lift:  227

Exhaust Duration at .050 Inch Lift:  241

Intake Valve Lift:  0.531

Exhaust Valve Lift:  0.515

Lobe Separation:  107

Exhaust Close ATDC:   45

Intake Open BTDC:   38

Exhaust Open BBDC:   78

Intake Close ABDC:  65

Camshaft Gear Attachment:  1-Bolt