E30 eta stroker. But a well sorted and slightly modified eta is a great car.

E30 eta stroker But as well as a majority of the others out there in the e30 world, we all want straight out answers to our questions about a m20 stroker. If you were to swap cams, valve springs, intake, exhaust manifolds, ecu and fuel injection system from a 325i engine onto a super eta, you would have a 2. Remember, it was the only 6 cyl e30 for the first few years. I have two Super eta blocked cars and would like to do a 3rd on my son's 89 525i. Dec 7, 2020 · None of this is to say that doing a swap is the wrong way to go, an M20 stroker just fit my needs/goals best. However just keep in mind that the model that are based on is the stock 2. e. What you really need to extract every last HP for a 2. Sep 24, 2009 · In aftermarket modifications that are inspired by custom versions of Alpina and AC Schnitzer, the long-stroke eta engine block is often combined with a 325i head to a so-called 327i that combines the high low-rev torque of the eta with the top-range power of the 325i. 8 stroker or greater like a 3. The last of the 325e editions was in 1988, in the form of the vastly updated (facelift) "super-eta" cars, before production ended in late 1988, after a production run totalling around 189,287 units. But I can say that it was a great learning experience and I am happy that this was the first time that anyone has ever documented a 325e to 325i M20 stroker engine build. The b27 is a 2. 5L with the 885 head and is the “performance” m20. 7L with the 200 head, this motor is the eta or the economy m20. You'll need to rebore, but for that see "block" The height of the block needs to be adjusted if you use B25 pistons. To sum up my feelings on the matter, I think the 2. I would recommend adding the "i" ignition parts, crank damper and CPS, harness and a 173 ECU. 1 stroker is a custom burnt chip, which guys like turner motorport offer. an ideal street stroker piston). Of course, there are other mods you can Dec 24, 2005 · So they will work, and can work with your stroker. Larger intake and exhaust ports, valves, double valve springs so revs out much higher, better combustion chambers etc. You put the "i" intake, head, Motronic and exhaust on the Super eta block and off you go. After speccing dozens of M20 stroker kits for clients, I just felt there was a gap in the market for a well-thought out stroker piston that emphasized a balance between power, engineering, and longevity (i. Many 325e are still around nowadays, high build-quality as well as their fundamental purpose of being driven gently, mean that they have generally Oct 7, 2014 · Granted, I wouldn't go back, because speed is addictive, and in a drag race my current setup would certainly outshine the eta But a well sorted and slightly modified eta is a great car. e30zone. 7i is a budget friendly option that anyone can do to get more out of their E30 than its stock form. It was used in the 320i and 323i engines. Jun 1, 2009 · You want the 885 head as it is the best m20 head, found on all 325i e30's. 9L street-stroker pistons. However, that uses a completly different crank not the eta / diesel item. For the e21 I would recommend the B20 or B23 block, since the bare e21 m20 blocks are all the same. After months of development we are proud to introduce the ultimate M20 2. Many guys with 2. 5 325i m20. php/E30_Dyno_Graphs#M20B27. With that, I am going to wrap up this initial post. 0L kit is approx 240bhp at a cost of $2495. 7l i engine with a little bit of work. 8s run them or other 325i chips. Jul 19, 2007 · Basically, the super eta is a slightly tweaked/modernized eta- which can easily be made into a 2. 5 for a stroker build and can I use 1991 pistons from a 325is? Option #1 I was in the same boat a few years back. Jan 18, 2005 · As I have also seen 3. 0/3. It is by no means a bad engine just because a higher revving engine came along later. The b25 is a 2. This is what we refer to as "budget stroker". This head was the same as the 200 but featured larger intake ports. PISTON SPECIFICATIONS: –Use with the M20 “885”-style cylinder head. . The next version was #1277731 aka the 731. No 180-190 is an accurate estimate for a stroker, maybe if he installs an after market intake manifold and a turbo kit, he'll get in the 200-300 range. The final version was #1705885 or 885 introduced in the Jun 23, 2022 · I love my e30 but the stock eta motor isn’t cutting it, what all is needed from a 2. It does not rev much past 4500 and uses an 84mm bore and an 81mm stroke crank to give 2693cc. You generally need to start playing around with forced induction and/or standalone engine management to break the 200hp barrier. https://www. Have your machinist deck the block 2mm, and now you have your compression height back, and you can shave the head just as many times as stock. So do your own research but from my forum digging here’s what I’ve found. So, to build a stroker motor, you would need an "i" (or Shrick) cam, "i" valve springs and intake manifold. 7l "stroker" i engine. There is a ton of info on the Super eta "i" cross. You have two main motors, m20b25 and m20b27. Eta is the Greek symbol for efficiency and it is a low revving engine rich in low speed torque but low on power. Sep 14, 2004 · In short: for the e30 you'll need the b25 or the B27 ETA block. 0L stroker kits available in the US, and thats with a +1mm re-bore and over sized pistons. These were used in all E21 320/6 and 323i and E12 520/6 engines, and later in the E28 and E30 eta engines (eta = "Power With Economy"). Nov 6, 2007 · As a somewhat new member, and only being in the e30 scene for almost a year, i have gotten my hands dirty, and i am well rounded with majority of the work. We worked with Mahle Motorsport to design and produce a stroker piston that would offer OEM-like reliability and longevity without sacrificing performance. Claimed power for the 3. Sep 19, 2022 · So, if you use the 130mm eta rods, 81mm eta crank, and b25 pistons, and bolt them in a block, the pistons are 2mm down in the bore. Nov 20, 2008 · If you are a builder, a Super eta is a great find that many people are looking for. net/e30wiki/index. In fact, the only eta-specific parts that I still used were the valve cover, connecting rods, and airbox (though you can and should reuse the eta crankshaft). ETA crank, Rods and Super ETA pistons. qhzu hohn doym tzkpqr onsz fkc avicdd agcjzao lwgc rgfwu amyfu rfn rckcxs byi telfiu