Mye28 s38 engine head cracked

It was the largest stock offering, with the latest head design, and most hot rodding done to it. Some are more tuneable than others, mainly due to cylinder head design. To replace the engine head, fit the new head on the block using the pins to ensure its placed properly on the. Bought an 03 e46 320ci and i think the head or block may be cracked. All cylinder heads are pressure tested and inspected for cracks.

After numerous issues with overheating, foamy oil, and poor performance, a closer. You can find heads on ebay from time to time, but its a hit and miss type of thing. The 525e called 528e in north america and japan uses a 2. First lets explain the flathead cylinder head a little.

Imse supplies suitable spare parts for wartsila engines, imse stocks spares for 20 22 26 32 46 and nohab engine types all main components are provided with class certificates. I dont know what your budget is but i would personally consider getting the second head youve got sorted, and leave this one crack alone. Good used head pros easiest swap, no need to remove the rest of the engine. These engines feature increased compression, stage 1 cylinder head porting and polishing, increased valve spring pressure and a special computer chip to take full advantage of the engine s potential. Be careful not to damage the contact surfaces of the cylinder head and cylinder block. Bmw m30 cylinder heads are at the same time the best and worst part of the engine, giving good power output even in the difficult smog years of the 70s and early 80s, but also having an alarming propensity to crack, but some more than others. Prevent your engine from dying with an upgraded cylinder head from autozone. Bmw m30b35 and m30b34 engine specs, engine oil and oil capacity. Bmw m30b35 engine turbo, performance tuning, specs, etc. I have no smoke out of the exhaust but bubbling in the expansion tank and overheating. Stop the car and the engine, and have a look into the oil reservoir either the oil pan or even just under the valve cover where you add oil to the engine. Using several steps, uniformly loosen and remove the 10 cylinder head bolts and 10 plate washers with a 10 mm bihexagon wrench in the sequence shown in the illustration.

You head will have the vin on the back of it so you can be sure they are showing you your head. Rebuilt l24 block and e88 head datsun 240z l24 block and e88 head long block engine motor please do not ask about hp numbers, these engines have not been dynoed and i can not confirm the numbers. As some of you know ive recently made the mistake of acquiring a 2lt for my swap. Ive owned at least 15 airhead bmws and am now riding a gs1150. Production of motorcycles with flattwin engines continues to this day, however bmw. Port dimensions help calculate the torque peak and the spread of the powerband. It made its debut at the amsterdam motor show in february 1985. Mar 14, 2008 i bought a 97 528i with a cracked head. Within the crankcase, the crankshaft was made from c38 mod and the cracked connecting rods were made from c40 mod. I havent seen the car yet, but everything else looks to be fine. He feels the high coolant temps and the heat cycles they put these test engines through caused the cracked heads. The cooling chamber that runs between the intake and exhaust valves, at its closest is only 5. Some interesting information was posted in the n20 section of the bimmerboost bmw forums regarding the durability of the n20 motor.

On the e28based cars, the crease touches the lip, drawing the eye. I saw an attorney a few days ago with regards to taking the warranty company to court. If you have a cracked head or block or perhaps head gasket, then oil and coolant will be mixing in the engine. What cannot be easily seen is that the oil pan is cracked. S38 racing engine the final evolution bmw m5 forum and. This car is from a california state so in a very good condition. No start flathead briggs and stratton bob is the oil guy. Take the money you would spend on the repair and apply it to a replacement head. Estimated figures will be 175 and up depending on intake, exhaust, flywheel and other parts. Aslo a dinan track pipe in place of the catalytic converter. Make sure the correct side is facing up and locate it over the pins on the block, ensuring everything is correctly lined up. The definition using head to mean an end has been used generally as. For the s38b35, bmw changed the design of the throttle bodies as well.

It does have a nice blue spark, and i cleaned the carb really well. S38b35 vs s38b36 cylinder head bmw m5 forum and m6 forums. Hey carl, mine was a bit sticky too, so i stuck a screw driver in between the head and block in three four places, directly on the gasket. Head gasket replacement woes now an engine rebuild 050612 at 19. Good intake gaskets are crucial for proper running of. Place the new engine head on the engine block and make sure that it is seated securely.

Bmws motorcycle history began in 1921 when the company commenced manufacturing engines for other companies. Any suggestions become an inner circle member to remove these ads. I am looking at a 1989 bmw 325i automatic which has a blown head gasket. The intermediate housing cam housing is the same for all s38s. After 121986, all s38 and m883 engines featured a compression spring on the throttle shaft that compensates for the required axial play 0,2mm. Our goal, our theory, for this build was to install this motor into an e28 as bmw would have done it from the factory. Year or lack of abuse is no guarantee, they all must be carefully inspected before use. Drove them in one at a time and gently lifted the head, messed up the gasket, but that was shot anyway.

The four models available at the launch of the e28 were the 518, 520i, 525i and 528i, with the 518 using a straightfour petrol engine and the other three models using a straightsix petrol engine. Estimated figures will be 175 and up depending on in. The engine soon became a firm favourite of tuners and racers, and was greatly aided by the use of boschs motronic 1. In fact, it can cause you headaches in nearly every facet of an engine s operation. And a second use of head for pressure, as a head of steam. A rebuilt engine head has been completely disassembled and rebuilt using new components to. Its time to swim with the sharks sports car market keith martins. The next best option is to avoid spending your hard earned cash on that car and sell it asis for a fair price. Ive searched for why these new bikes are called oilheads and for a list of what differentiates the oilheads from the airheads but i cant find anything. When i took my cracked head to machine shops around town in san diego not a single one would touch it. On the s38 engine, the lobes are wider, but also symmetrical.

The first bmw m5, based on the e28 5 series, was manufactured from october 1984 to june 1988. Thus far, i do not see any corrosion in the passages on the head, but will have it checked out. Bmws own motorcyclessold under the bmw motorrad brandbegan in 1923 with the bmw r 32, which was powered by a flattwin engine also called a boxertwin engine. Korman stage 1 fuel injected engine 8588 535 these engines feature increased compression, stage 1 cylinder head porting and polishing, increased valve spring pressure and a special computer chip to take full advantage of the engines potential.

In this section you will find the gaskets that seal the intake manifold to the cylinder head. If you have a cracked head or block or perhaps head. However when we heard specialist components twincam aseries gunning for the redline, our interest ballooned into obsessive. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. Also, make sure that the dowel tips between the mating surface and the box are aligned evenly install the mounting bolts. For a quick refresh, i found it in tennessee after a temptingbutrough local example almost snagged me. I asked my mercedes mechanic and he confirmed me that the nissan rd28 was a very good engine and a valid option for my car. It was based on the 535i chassis with various mechanical changes, most notably the m883 engine shared with the e24 m635csi grand tourer coupe which was an updated version of the engine used in the m1. Using a screwdriver with its tip wrapped with tape, pry between the cylinder head and cylinder block, and remove the cylinder head. I know im jumping in late here, but i would not recommend using any cracked lhead block. Made out of 8mm thick, laser cut steel, mig welded, sand blasted, powder coated and tested in action. The e stands for the greek letter eta, for economy. Cylinder head replacement engine cylinder heads at the.

Bmw s38 m883 m5 m6 e24 e28 e34 oem cylinder head intermediate housing. Same principle but used an m5 suspension and 96 s52 m3 engine. Head cracks under stress above 331 poundfeet of torque. The cj3a page forum head gasket replacement woes now an. A rebuild if necessary probably wouldnt be cost effective. Autozone provides topquality replacement engine cylinder heads for a variety of vehicles, including an engine cylinder head for ford taurus or malibu cylinder heads, so youre sure to find the perfect cylinder head for your specific make and model. These are universal fit parts which means they fit all vehicles or all makes and models. Parts and service 1988 bmw e28 m5 1 of 30 black on black. A cracked engine head is such a serious mechanical problem that it can severely impact a cars ability to perform properly or even to run at all. S38b38 3658 cc cylinderhead inlet valve 39,5 mm schrick steel blanco. A t first we were very interested when we heard about specialist components aseries conversion.

I found out after careful measurements with my caliper, the machinist the previous owner hired to machine the head and cover took too much material off the cover leaving it too short to seal with. You will usually have a choice between brand new heads and those that have been rebuilt. With a maximum top speed of 112 mph 180 kmh, a curb weight of 3982 lbs 1806 kgs, the e28 5 series 528e us has a naturallyaspirated inline 6. This couple of engine supports will enable you to install a late block m30 out of e32 or e34 without compromising on how much mounting bosses you use, or by utilizing adapters and hillbilly contraptions. So i am searching for a new b36 head and wondering what the differences are between the b35 and b36. Horsepower is increased from 182 to 215, and torque climbs from 214 lbft to 230 lbft. In the image above, the top portion of the image as i stated is the flat part.

So ive just acquired this 8 hp briggs and stratton flathead engine on a riding lawn mower. The length is also for the dual row timing chain used in the s38 series engine. M10, m20, m30, s14, s38, m50s50 engines for customers worldwide. Head warpage or cracking could result from removing the bolts in the wrong order.

The original s38 engine had a rebuild with a new head and is installed with a miller performance maf, custom tuned chip, miller intake boots, ported heads, dinan cam gear, custom headers and forged crank. Over the course of the e28 model, the following models were added. Where there is a corresponding blog post, you can click on the project title blue to view the post. Engine supports for m30s38 late block in your e28 chassis. They are formed around the threads of bolts in cylinder head. Most of the work on the car was done by me and detailed on the blog.

The right one is made out of laser cut pew pew 8mm thick steel, the left 6mm. However, they was very rare to be purchased on these years 1986 to 1995 when there was no reason for that, as gasoline was cheap. It may be that the head is actually warped or they dont know but just said it was cracked. Mi performance bmw 5 series e34 engine bmw m30 s38 3. The reason oil doesnt take from threaded sets, after disassembly of the engine. Lord knows what got bent or cracked, if the head gasket blew from poor cooling, if the cover is warped, etc. He could swap everything over, made a oil return for the s38 head and. So dont run a car on a blown head gasket and youll probably be alright.

This means that the ability to write new posts and access various member features will go away. Bar the small crack in the block which is now fixed, the engine is all good inside. Jan 17, 2017 looking back at the reason why i took the head off in the first place, i was trying and take care of oil leaking under the upper timing chain cover. This engine mount is used to support a m30 engine from e32 or e34 donor car in an e28 chasis. The m57tu engine was released in 2002 and the m57tu2 followed in 2005.

Datsun 240z l24 block and e88 head long block engine motor please do not ask about hp numbers, these engines have not been dynoed and i can not confirm the numbers. Changed the electronics of the engine from obd2 to obd1 and used all the original peripherals and accessories except the mas, tps, dme 95 s50, and a few other minor pieces. S38b38 into my 1977 e12 chassisd 633csi bimmerforums. The m10 engine had a lot of different piston crown designs over the years, so before fitting any revised cylinder head to your engine, it is essential that you make sure the combustion chambers are compatible with the pistons you are using failure to do so will result wasted time, gaskets and in serious cases, expensive damage to your engine. This information is particularly useful if you are brainstorming combinations on one of the many engine simulation programs available for your pc. After pulling it over a few times the plug will be wet with fuel.

The plastic cylinder head cover combined the oil separator and intake silencer. After endless nightmare failures with this engine i got pissed off and threw the cracked head onto the bandsaw to see why they suck. Each said that theyve had nothing but problems with the head. This page provides the details of every part purchased and shop service performed. The engine block contains the small passageways through which oil and antifreeze circulate throughout a vehicles engine. Discussion in e34 19891995 started by peter dane, sep 26, 2008. It was based on the 535i chassis with various mechanical changes, most notably the m883 engine shared with the e24 m635csi grand tourer coupe which was an updated version of the engine used in the m1 sports car. Compression and leakdown test pointed to a burnt valve. Like i said before, it is basically just a flat chunk of metal which seals the top of the cylinder. It is not warped and has no cracks or patch weld repairs. All main components are provided with class certificates. The indentations in the head the almost heart shaped portion is the combustion.

Apply a thin layer of engine oil on the threads of the head to block mounting bolts. Flow figures help determine the heads ability to fill and evacuate the cylinders efficiently. If you find that you need to replace the engine heads on your vehicle, you will learn that new engine heads can be expensive. The s38 b38 was bmws ultimate evolution of their traditional bigsix motor. The dual row chain and sprockets can be retrofitted into an m883, however its not a simple bolt in upgrade. Bmw m57 engine 19982012 the bmw m57 was an inline, sixcylinder turbodiesel engine that was introduced in 1998. Next comes the m635 csi cars american fraternal twin the s38powered m6. I went through this with my first lhead and after magnafluxing i had a crack pinned. Now, the motor is becoming very popular and is winning multiple awards and rightfully so as it is currently the best factory 2. This is also the perfect solution if you want an s38 mpower engine sourced from an e34, to fit in your bay. There are a few common symptoms of a cracked engine head. Before putting on the new engine head, youll need to fit a new cylinder head gasket. If budget isnt an issue you can do whatever you like of course if the b38 head matches up with the b36 block i cant tell you for sure.

The cooling chamber that runs between the intake and exhaust valves, at its. Replace them whenever you remove any intake components. Bmw e28 5 series 528e us technical specs, dimensions. Head in general refers to an end or closure of a pressure containing part,such as an engine cylinder head, heads of a pressure vessel, heads of a barrel, etc. In fact, it can cause you headaches in nearly every facet of an engines operation. Engine antifreeze that has oil mixed in it is a classic sign of a cracked engine block andor a blown head gasket, both of which can allow circulating engine antifreeze to mix with circulating engine oil. These repairs could potentially exceed your vehicles value. Cons you wont have the engine out to replace other gasketsoil pumpetc. I proceeded to get the head off the engine and found that was it. Bmw e30 m3 s38 technical information engine bmw s38 cylinderbloc. A piece of lateral thinking that utilises the cylinder head and throttle body fuelinjection from the fourcylinder bmw k motorcycle engine.