Flat Tappet To Roller Swap - Rolling Thunder

*Accurate average torque readings were attained after 4,000 rpm, allowing for converter lock-up (less slippage).

Note: a gain of 134 rwhp at 6,100 rpm (not peak) was realized from the previous ported-head swap, and now the roller cam.

Indy Sr Heads Flow Chart
As tested at Ray Barton Racing Engines, SuperFlow SF-600 flowbench.

	LIFT	.200"	.300"	.400"	.500"	.600"	.700"	.800"
INTAKE	CFM	150	215	266	308	335	357	374
EXHAUST	CFM	112	151	195	215	239	252	260

Note: To obtain similar flow and power numbers, Indy sells the SR295 CNC heads. The CNC heads will save you from many hours of porting.

Comp Cams	Schumacher Creative Services 206/364-7151 engine-swaps.com
Indy Cylinder Heads Indianapolis IN (317) 862-3724 www.indyheads.com	SLP Performance Parts 1501 Industrial Way N Toms River NJ 08755
Ray Barton Racing Engines Robesonia PA (610) 693-5700 www.raybarton.com	Tti Exhaust Systems Corona CA (909) 371- ttiexhaust.com

Prev | 1 | 2 | 3

Discuss in our Forums

Share & Enjoy

Dodge Dakota Research

With great deals and authoritative reviews, find all you need to research and buy the new Dodge Dakota, as well as compare it with other vehicles to help you in your car buying process. Fuel efficiency is important and the 2010 Dakota with a 22.0 gallon main unleaded fuel tank 18.3 capacity gets 10 mpg, and comes with comparable warranty coverage to other vehicles in its class. The Jeep Commander and the Chrysler 300 are other vehicles that might interest you.

Related Photos

	'72 Hemi Charger - Thunder Down Under Was the Hemi Six Charger R/T the best Australian performance car ever?... more
	Edelbrock AVS Carburetors - Edelbrock's Thunder Series AVS A New Twist On Old Reliable... more
	1972 Dodge Charger R/T - Thunder Was The Hemi Six Charger R/T The Best Australian Performance Car Ever?... more
	How To Install A Hydraulic Roller Cam - Retro Roller Finally, A True Drop-In Hydraulic Roller Cam Kit For Vintage Mopar V-8s... more
	Mopar Thunder Show - Who'll Stop The Rain? Mopar Thunder At Bristol Dragway, 2006... more
	2006 Dodge Charger SRT8 - Thunder Road Revisited Bootlegging 21st Century Style... more
	Edelbrock's Thunder Series AVS Carburetor - Tweaking An Edelbrock AVS Tuning For Horsepower And Fuel Economy- It Can Be Done... more
	1967 Plymouth Barracuda - Rolling, Rolling, Rolling Whether building a performance car for the street or the strip, optimizing traction is always beneficial. While building a full-chassis race car or back-halving your car for giant tires is a great... more
	Swap Meet Savings - Swap Meet Savvy Simple Steps For Sensible Spending At The Swap Meet... more
	A New Roller For The Mauler - Mauler 440 Engine Project In the initial testing of our Mauler 440 engine project, we had a chance to see how close our selection of parts came to meeting... more

Flat Tappet To Roller Swap - Rolling Thunder

Related Photos

Related Articles