So where is that E/DE write up?

[w1ngzer0]

2 people have done this swap already and no write up on just parts? It would be nice what you need besides the heads and the head itself. Devious was telling me you need the distributor too? really would like what parts to order...

[Touchdown038]

Which E/DE swap? The DE into the 89-90 chassis?

Or are you talking about the DE head onto an E block?

[gogg]

I have some stuff colaborated here:

http://www.club240.com/forums/...13904

I am also doing the swap right now.

[gumby]

im not doin the swap but i saved a couple posts. i didnt double check anything but just in case theres anything useful in here:

95 DOHC into 90

Mechanically it all bolts up no problems.Here are the main differences:

Mechanical:Power steering - different between SOHC (pass. side) and DOHC (driver side). To swap, you need the DOHC power steering lines, reservoir, and hoses.Intake - different shape, so can't swap thatThrottle cable - SOHC too short to reach DOHC throttle body best to get a DOHC cable.A/C is a different compressor entirely, though in about the same position. To make a DOHC compressor work with a SOHC system, you'll need to have a specialty shop custom fit the DOHC lines to your SOHC system. No, the DOHC lines do not just bolt to the firewall fittings, they are different sizes. Also, SOHC systems used R12 refrigerant, now illegal. You'll need to convert to R134, which means a system flush and new drier.Ignition - I understand the '91-'94(?) sytems use a different coil, but not entirely sure. The '95+ systems don't have an external coil, so not an issue there.

Electrical - SOHC systems and DOHC systems are somewhat different in the wire routing, primarily the power/fuse wiring for the ECU (at least for the '95 vs '90 systems), but also some sensors and inputs for the OBD, tach, speedo. It's not really a big deal if 1) you have the FSM (wiring diagrams) for both the SOHC and donor DOHC systems, and 2) you can read and understand the wiring diagrams. Then its a matter of identifying the differences, and cutting/splicing the DOHC harness to match the SOHC systems. The harness plugs that connect to the engine room and dashboard harnesses are different, so you have to cut to SOHC plugs and splice them into the DOHC harness. Takes a little time and you have to do it right, but like I said, not bad if you have a bit of understanding about how electrical systems work.

Also, you need a DOHC tach as the SOHC tach will not work.

Obviously you also need the DOHC computer.

You may have to change the transmission harness a bit to make it mate up, but that's minor (for the '95, I had to wire in the 2nd O2 sensor and crankshaft position sensor, no big deal).

--------------------------------------------

Wiring:MUST use end of SOHC harness and sauter respective lines to the DOHC wiring harness from the engine to the dash/gauges. Yellow / Red stripe Tachometer signal

Yellow / Green stripe Speedometer signal

Orange Ignition start

Black Ground

Blue / Green stripe AC signal

Blue / Black stripe Water temp signal

[w1ngzer0]

im talking about the e block and de head.

[Touchdown038]

I bet you'd need both new manifolds, DOHC intake system, and radiator too. But I think you can keep the SOHC distributor as long as the firing order is the same (I think it is.)

There is a write-up for this swap, although I don't remember who did it. It was mostly everybody just doubting him, but it might have changed since I read it. It was something like "ok guys here it is proof"

[gumby]

eh-heh-he-heh heh-he-he winger

[w1ngzer0]

I am a retarded post whore

totally

[glacier985]

I had my head swap running with the SOHC ECU until I lost all my spark. And the write up would be done, I just have to sit down and do it.