N-51HR Camshaft 2600-6500 Range

N-51HR Camshaft works with stock OEM pistons with 1.6 roller rockers.  Piston-to-valve clearance must be checked.  RPM range 2600-6500. Hydraulic Roller. Steel Core. Use steel camshaft gear. Aggressive lopey idle. 

Recommendations:

302-347 cubic inch. Use 1.6 roller rockers. Engine compression between 9:7 - 10:1. Must use Anderson Hi-Rev valve springs or upgraded PAC Racing Valve springs with a minimum 150 seat pressure. 3.90 - 4.30 gears. Poor drivability under 2300 rpm. RPM range 2600-6500. Automatic car needs 2800-3400 converter. Must check piston to valve clearance. Custom tuning.

For best results we recommend a 4" Power Pipe® along with a minimum 75mm throttle body or larger. A "free flowing" and high performance exhaust system is also highly recommended.

Increased power band and extra intake valve clearance can be achieved by retarding the cam 4 degrees. 

Fits the following cylinder heads with stock OEM pistons from 87-95 5.0L (when retarding the cam)

AFR-1399 Air Flow Research Renegade 165cc with 1.9 valves

TFS-51410002-M61 TrickFlow 170cc Twisted Wedge with 2.02 valves

TFS 170 11R Twisted Wedge with 2.02 valves

ED-60225 Edelbrock Performer RPM 170cc with 1.9 valves

Note* Will NOT fit stock pistons on a 1986 5.0L without valve reliefs in the pistons

We do not recommend using with stock E7 or stock GT40 iron heads.

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Example of using N-51HR camshaft
Stock piston short block with the N-51hr camshaft, stg III Twisted Wedge heads w/ AFM HiRev springs, Holley Systemmax II intake, 70mm t.b.Velocity mass air &Power Pipe, PMS and Bassani 1 5/8-1 7/8 headers.

EXAMPLE of using N-51HR
Stock short block, Anderson N-51HR, PRW 1.6 R.R .PMS, TFS heads, TFS push rods, BX headers. X-pipe and muffler turn downs, 75mm Throttle body & EGR, FRPP pulley, Anderson Power Pipe, Mass air, Typhoone intake