The five golden rules of porting cylinder heads part 7. There is a new 12 port head for the 6 s and an 8 port for the 4s about to make a splash on the inline market real soon including intakes and are not sissels. High airflow within cylinder heads is all about getting air around corners. A short while back, a thread popped up in the bangshift forums about a racer who had taken a pair of cathedral port ls chevy cylinder heads, shortened them by one hole a piece and attached them together. Great engines, and actually a decent base to hot rod. An 8 port aluminum cylinder head for the 4 cylinder little brother of the 250292 is also available along with an. Unfollow ford 300 engine 6 cylinder to stop getting updates on your ebay feed. This is a description of the buildup of my ford 300 engine. Comparing ford 240 cylinder heads to ford 300 heads is a matter of looking at their combustion chambers. Build a 300 with the hp of 360 fe fordsix performance. Developing highly functional cylinder heads for performance. The dual port offenhauser design provides increases of 50 horsepower over stock, or by using with headers and cam can produce up to 115 horsepower over stock. Howards, hydraulic flat tappet cam, ford straight 6 140250, howards, camshaft, ford 144250 straight six, 6383. I wanted to give my ford 300 the horse power of 360 fe v8 215 hp, but needed 50% better mpg.
American cylinder head worldwide supplier of new and remanufactured cylinder heads for all makes and models. Ford cylinder head search american cylinder head inc. Should i expect that they will size the rod and main bearings by cylinder for me. Ford inline 6 300 rebuild, and cam upgrade come on people subscribe. This cylinder head replaces the factory casting number. How to increase reliability on a ford 300 inline 6.
My goal is to increase the air flow of the overall engine, not so much for mass airflow. This fuel injected 300 long block has been completely remanufactured with updated parts. The single head was then bolted on a 300ci inline six ford engine that powers a drag car. How do you tell your ford 300 cylinder head from a ford csg 6491 when. Cylinder head studs, hex nuts, ford, inline 6, 240, 300, kit. Discussion in the garage started by texasyeti, may 6, 2010. How to hop up an efi 300 i6 ford muscle cars tech forum. They wont add horsepower there stronger to handle more horse power. It really looks like one half of the grille on a bmw. Youll have a hard time finding a more reliable, longer lasting gas engine on the planet, and thats what makes the workhorse a legend in our book.
Ford big 6 owners now have a new manifold option when it comes to upgrades on there 240. The finished product will take 68 more months of due diligence to complete. Ron bohn invites us into his home garage to discuss what it takes to put together a 10,000 rpmcapable inline six cylinder engine to make over 500 hp. With the classic poppetvalve style engine, air cannot make a straight shot into the. There has to be a bend in the port to accommodate the valve stem. Specialized in remanufacturing of diesel and gas cylinder heads. I am still trying to figure out about porting the head. We have seen ford 300s running airport tugs for as long as 6 months with. By the way, inline ford sixes dont have to sound buzzy. Use with standard manual transmission or automatic with high stall torque converter. We carry all ford cylinder heads in our high tech machine shop where ase certified machinists and technicians ensure you superior workmanship and quality.
Guide to ford sixcylinder performance mustang monthly. The exhaust manifold bolts will back out and cause leaks, as will the distributor roll pins. First gear is about useless and the gear split is slightly odd from a performance standpoint. Give them an italian opera tenor voice with the right induction, cam profile, cylinder head, and exhaust tuning.
This ford inline 6 engine was introduced in the mid80s for use in broncos, f series pickup trucks and econoline vans to name a few. When it comes to amateur porting, smokey yunick put it best in one of his books. The ford 300 cubic inch straightsix is a staple of american truck culture, having literally helped build this nation as we know it. The porting in our performance versions provide the increased airflow you need. That is the same bore size as standard ford fe series 360, 390, and 410 engines. My 1927 ford 300 i6 hot rod build first day fire up. You can if you want to have a lil porting done to improve air flow. I spent a month reading, copying and pasting parts numbers, reading whether i needed a heat plate for my intake manifold, what type of pistons to use, the best head. The mseries engine produced 115 hp 86 kw and 212 lb.
Inline straight i2 i3 i4 i5 i6 i7 i8 i9 i10 i12 i14. Buy ateam performance hei complete distributor straight 6 cylinder 240 and 300 65k coil compatible with ford f100 f150 f250 e100 e150 one wire installation blue cap. I am not experienced with a dial bore gauge or anything to make sure the oil clearances. Removal and instillation of a head on a 6 cylinder ford engine. At the end of the day, pocket porting may not produce the fastestlooking set of heads or the most photogenic, but the results can be very satisfying. This head has the heart shapped combustion chambers. Im scratch building a 300 efi right now,im going to port my head,either by hand,or send it out,great looking head. We want to be your onestop source for all ford inline performance parts for 60s and 70s six cylinder engines. Autoparts new carburetor fit for ford yf carter 240250 300 6 cylinder cil 197582 d5tz9510ag.
Permanent 300 six cyl head cfm solutions a work in progress. Restrictive cylinder heads can be the obstacle to more power from your ford 300. Ford 240 300 6 cylinder compupro hydraulic camshaft 260hdp. Ford 300 inline 6 cylinder engine the ford 300 inline six cylinder engine was first introduced for the 1965 model year to be used in the popular f series pickup truck. With the classic poppetvalvestyle engine, air cannot make a straight shot into the cylinder. Heres why the ford 300 inlinesix is one of the greatest. The ford 6 cylinder engine has undergone a few transformations over the years and aussiespeed have a range of ford 6 performance parts for many generations of the ford 6 cylinder engine from the early falcon and mustang engine through to the crossflow 6 cylinder falcon and cortina engine, the ohc 3. Ford straight 6 240 300, 64 96 camshafts at competition products.
They dont bounce off seats as easy and they typically rev about 300 rpm. A buildup of ford s classic inline six after rescuing a 300 inline from the boneyard, the horsepower guys will show how to completely prep and machine the block and assemble the cylinder head. Distributors free delivery possible on eligible purchases. Find your cylinder head 10% off on all gasket sets with the purchase of a cylinder head. Ateam performance hei complete distributor compatible with ford inline 6 65k coil 144 170 200 250 516 hex shaft one wire installation blue cap. Ford 240 300 6 cylinder offenhauser c series 4 bbl intake. Cylinder head porting refers to the process of modifying the intake and exhaust ports of an. Decent cylinder head, 7 main bearings, and the same bellhousing pattern as a windsor ford small block a mustang t5 bolts right up. The lost art and business of head porting engine builder magazine. Ford 300 inline six the best kept secret in drag racing. Afr bbf 315cc bullitt 100% cnc ported cylinder heads big block ford 85cc 3837. Cylinder head port size and shape, coupled with combustion chamber size and shape, determine an engines power personality. I spent a month reading, copying and pasting parts numbers, reading whether i needed a heat plate for my intake manifold, what type of pistons to use, the best head gasket, and every other aspect of the build. New set 6 ford 300 bronco f150 f250 exhaust manifold mount washers 8186 emw300.
The ford 300 i6 isnt perfect, of course, as the rear main seals tend to leak over time. Due to covid19 restrictions, orders will not be shipped on a daily basis. The 300 head needs a ton of work to get it to flow well enough to take full advantage of a big single plane intake. Ford 300 head share the same port and valve sizes, the ford 240 head. Con rod and crank clearances on ford 3006 adventure rider. First 300 6 ford ive ever owned,but lots of others. The ford twoliter shown above in stock trim was capable of delivering 115. For the record, pocket porting heads reworking and blending the seats into the first 2 or so inches of the port is all about focusing on rule number1, to the exclusion of almost all else.
Forum member six gun has a production cylinder headed ported by the. Ford would keep the 300 in production all the way up until 1996. Read online ford 300 cid 6 cylinder engine ford 300 cid 6 cylinder engine why a 300 ford inline 6 cylinder is a gas hog i like when people comment on my videos but im not going to read a bunch of bull u got from the web. Cylinder head has air smog holes drilled in the head. Or go with a 5 or 6 speed stick shift but all of the truck specific sticks have really odd gear ratios which are set up for pulling.