Maybe a few folks out there can get more than that, but not without better, bigger valves, which don't help much since the ports are too small to support them anyway.Ī better intake setup will simply let the port work do it's thing. I'd say it should be quite obvious the level of added power depends on the level skill and knowledge the head porter has. The stock castings can only be taken so far. ![]() Knowing those limits and what to remove from where is key. The better they flow, the more the stock intake restricts them, and the more power you'll make once you rip it off the motor and replace it with something better! How much power the intake adds depends on how well the heads were ported. Taking a stab at it, I'd say the 35 to 40hp mentioned above could only be realized with a higher flowing intake system like the Trick Flow street, Cobra, GT40, Edelbrock, or similar. The stock intake will probably hold back your head porting work to the tune of 20hp, maybe more if it's a high mileage piece that's all funky inside with carbon buildup etc. To summarize, I think 30 to 40hp with both properly ported heads and better intakes should not be a problem.ĪFR heads.the new MANTRA of the FFcobra forum.ĪFR heads cost 1300 dollars. ![]() Think about that for a minute.THIRTEEN HUNDRED DOLLARS. I don't want to turn this into a rant, but there really is no comparison between AFR heads and ported stock heads. One is the at the very top of leading edge, aluminum, high performance heads for thirteen hundred dollars. When serious engine builders "blueprint" an engine, they'll "port" or smooth-off rough head castings around the intake and exhaust ports for smoother airflow.Įngine Porting Kit can help your engine generate more powerīuild the best performance engine or restore like-new performance to your older powerplant using Eastwood cylinder head porting tools and accessories.The other is entry level, do it yourself, back yard Hot Rodding for a couple hundred bucks or free if you're careful. ![]() The Eastwood DIY Engine Porting Kit allows you to port and smooth-off rough head castings around the intake and exhaust ports for improved, smoother air. The engine can then "breathe" easier, resulting in greater power and efficiency. Not only can this engine head porting kit help your engine generate more horsepower and torque, but it will also improve fuel efficiency, giving you more miles to the gallon as you roar around a track or down the highway. Increase horse power and torque on any engine.Industrial Aluminum Oxide sanding rolls, designed for both cast iron and aluminum cyl.Highest quality components on the market today.Developed to work with air or electric 1/4" collet die grinders.Īllow you to port both heads in an evening.Lowest cost "complete" professional level kit available.Watch the video below to see just how easy cylinder head porting is.A must for any performance engine build.These head porting tools are trusted by both DIYers and professionals for their engine builds or rebuilds. Each kit comes with 40 80-grit abrasive rolls (both tapered and cylindrical), two 4-inch mandrels, two 6-inch mandrels and complete instructions. You can finish both heads in one evening simply by following the instructions or watching our informational video. Eastwood Textured Underhood Matte Silver Aerosol 11oz For Inner iif.edu,/overdepress1247299. ![]() We’re here to help you Do the Job Right on all engine projects.
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