Factory Five MKIII, Daytona Coupe, Ford Racing Engines

		Cobras / Replicas / Street Rods
	302 / 350 HP	331 / 415 HP	347 / 425 HP	351w / 400 HP	351W / 435 HP
Idle Quality	Good w/ some Thump	Slightly more Aggressive Idle	Slightly more thump	Classic Muscle Car Sound	Hotter cam than 400 HP
Octane Gas	87 or Higher	91 or Higher	91 or Higher	89 or Higher	89 or Higher
RPM Power Range	Idle to 5500	1800-6000	2000-6000	2000-6000	2000-6000
Header Size	1 5/8	1 5/8	1 5/8	1 5/8	1 5/8
Gear Ratio	Stock.	3.25-3.73	3.25-3.73	3.25-3.73	3.25-3.73
Suggested Transmission	5 SPEED T5 OR TKO 500 / 600	5 SPEED T5 OR TKO 500 / 600	5 SPEED T5 OR TKO 500 / 600	5 SPEED T5 OR TKO 500 / 600	5 SPEED T5 OR TKO 500 / 600
Weight / Dimensions.	approx. 500lb.s	approx. 500lb.s	approx. 500lb.s	approx. 500lb.s	Approx. 500lbs.
Engine Redline	5500	5800	5800	6000	6000
Engine Use	Cruiser	Street Performance	Street Performance	Street / Strip	Street / Strip

		Cobras / Replicas / Street Rods
	393W / 450 HP	408W / 485 HP	418W / 515 HP	427W / 538 HP	460 / 550 HP
Idle Quality	Muscle Car	Good w/ some thump	Muscle Car	Aggressive	Aggressive
Octane Gas	91 or Higher	91 or Higher	91 or Higher	91 or Higher	91 or Higher
RPM Power Range	Idle to 5500	1800-6000	2000-6000	2000-6000	2500-6500
Header Size	1 5/8	1 5/8	1 5/8 - 1 3/4	1 5/8 - 1 3/4	1 3/4
Gear Ratio	3.25-3.73	3.25-3.73	3.25-3.73	3.55-3.73	3.55-3.73
Suggested Transmission	5 SPEED TKO 500 / TKO 600	5 SPEED TKO 500 / TKO 600	5 SPEED TKO 500 / TKO 600	5 SPEED TKO 500 / TKO 600	5 SPEED TKO 500 / TKO 600
Weight / Dimensions.	approx. 500lb.s	approx. 500lb.s	approx. 500lb.s	approx. 500lb.s	Approx. 750lbs.
Engine Redline	5500	5800	6000	6000	6000
Engine Use	Cruiser	Street Performance	Street Performance	Street / Strip	Street / Strip

*Chart above is for general purposes only.
Exceptions can apply depending upon use of car or
Truck along with other contributing factors.