Alright guys, this is what a eta bottom end and i head gets you.

[jmc1590]

eta- i saw a 88 528e in the junkyard, and it has the eta block,885 head(with single valve spring),1.3 motronic, does that mean that it is a UK spec, or that it has the same engine as the super eta

The '88 528e is a Super-ETA. Everything you said sounds right except for the Motronic version. The '88 should have version 1.1 (a 154 ECU, if I remember correctly.)

I believe that the 528e was a US only model. In the UK, it was badged as a 525e.

As far as what to take, it depends on how far you're willing to dig into this thing. The 885 head is identical to the 325i head, but will require a different camshaft and double valve springs. The short block (or a least the pistons) are desireable, in that they match with the 885 head and with the 81mm crank. The wiring harness is much sought after in the E28 area for doing a motronic swap. (Not sure if it will fit the E30 though.) Get the harmonic balancer, CPS sensor and bracket, water pump pulley, and the plug wire harness. If I found a Super-ETA that was in good condition, I'd just take the whole thing!

My .02

[Faviolosky]

ohhh got it, ill be on my way to the junkyard to morrow to take those things, the plug wire is the engine wiring harnes and the round plug correct?

[jmc1590]

Plug wires = spark plug wires. In particular, you want the sensor that is attached to the #6 lead. Motronic needs this to determine proper injector firing.

[Faviolosky]

the person that owned the car before me had already put the i plug wires and since then i have been breaking my head trying to figure out where that plug on cable 6 connects to:D:D

[E30QC]

hey, something along the lines of running all the electronics and maf asnd throttle body from a 2.5 with the head, someone said that there's extra oil galleys in it compared to the 2.7 litre bottom end? will they mate? it was in a conversation concerning just modifying the 2.7 head with double valva springs and so on... just checking..

[sabideefoo]

Which is perf. easier to go to from a E (opinions). 1.3 or Megasquirt. Im still reading up on MS but still kinda effy about it. Scared yes..lol

[Adrian_Visser]

Megasquirt ain't for the squeemish, a motronic 1.3 swap would be a hell of a lot easier, unless you know something about tuning engine managment systems. Scratch that a 1.3 swap is still easier.

[LTDScott]

Rise from the dead, thread!

I'd like to see the dyno plot, looks like it's gone. Does anyone have the source for it? I have an '87 325e LeMons car and it looks like I may be able to score the i head, cam, intake, all electronics, etc. for $75. I know swapping this onto my eta bottom end will drop compression, but we are budget limited by our racing series. If the results really are anything close to 138 HP and 143 TQ, I'd be damn happy since that'd be a significant jump in power, plus the ability to rev over 5K which would be nice for longer tracks.

[e30huh]

.

[nando]

Rise from the dead, thread!

I'd like to see the dyno plot, looks like it's gone. Does anyone have the source for it? I have an '87 325e LeMons car and it looks like I may be able to score the i head, cam, intake, all electronics, etc. for $75. I know swapping this onto my eta bottom end will drop compression, but we are budget limited by our racing series. If the results really are anything close to 138 HP and 143 TQ, I'd be damn happy since that'd be a significant jump in power, plus the ability to rev over 5K which would be nice for longer tracks.

I think it's a perfect upgrade for a lemons car

[e30huh]

I think it's a perfect upgrade for a lemons car

why?

[nando]

because it's a gauranteed power increase and more track friendly redline and it's going to cost him $75.00

[NigelStu]

I'm doing the same thing for my Chump car. Although my i stuff was $500. But at least it came with an entire car....

So, I'd like to see those dyno plots again too. Actually, I'd like to see a stock e engine, stock i engine and the e/i combo on one plot. Anyone have that?????

[LTDScott]

I was able to pick up all of the swap parts except for the ECU for $75. Our eta finally got hurt in our last race (after 5 races and probably 3000+ miles racing with unknown mileage - not bad), so I'm going to hopefully do a cheapo rebuild and 2.7i conversion.

I ran into another thread with more details and existing dyno plots for anyone interested...

http://www.e30tech.com/forum/showthread.php?t=94415

[CorvallisBMW]

I think it's a perfect upgrade for a lemons car

We thought about this for our lemons car too but decided against it for now. Perhaps after our first race we'll look in to it again, but right now it's all about reliability.