dcg9381

Two pieces, CNC runners, then welded...
Use with internal or 38mm external wastegate...

da_bigg_wigg

oooOOOooo!

Elton

anit that for a 22ret ?

rdlsz24

Yeah it is. Naturally aspirated engines don't have exhaust manifolds like that.

Rob

dcg9381

It's for a 22RE / 22RTE head, if that's your queston. It'd work on 22R also.
I'm putting it on a 22RE head with custom pistons on the bottom end. The bottom end happens to be 22RTE, but that's only because I was too lazy to drill the oil feed and return...


22RE's can be run with a turbo under moderate boost and timing control.
The reason you don't see them a lot is that companies like LC need to sell you a *lot* of stuff to get it to work right. You can patch it with rising rate fuel pressure regulators, hobbs switches, etc, but it's really not right...
I'm suggesting that you can do a moderate boost 22re and control it correctly with an ECU replacement like megasquirt for under $1200 or so.. as long as you don't need a brand new turbo.

Want to do a significant boost 22RE for cheap? Use 22RTE pistons.

JamesD

What is the difference between the two bottom ends besides the pistons? Also I did some research on the 22RE and 22RET pistons. The only difference is one is flat and the other is dished as you already know but both are made out of the same material and both a cast aluminum. Besides the higher compression of the 22RE, it is the computer and fuel system that makes the difference to keep it safe. So what I'am saying is the 22RE is just as stout as the 22RET. I will try to find the link where I got my info on the piston differences.

James

dcg9381

You've got it. No real differences between the castings other than a place for an oil return, a pre-tapped oil feed, and different pistons.

The 22RTE pistons can be used in a 22RE. I think that'd be a great solution if you want to do a budget turbo motor.

The 22RE ECU is a no-go for a turbo.
The 22RET ECU is a lot of hassle because needs other 22RTE specific hardware. It's also wont work beyond about 170 hp or so...
Megasquirt - replace your stock ecu.. totally adaptable, build it yourself for $180 - or buy it for around $300.

JamesD

Basically megasquirt is a speed density system like that of the early GM's right? I went to their site and they list tons of stuff. Last year I was thinking about using a GM speed density system out of a FWD 3.1 car but my biggest problem was how to figure out crank signal. Hmmmmm....

James

Bill

Where could I find one of these super-perdy looking manifolds? That's a really nice piece.

...it's true, you can't build up a 22RTE on budget...

dcg9381

Yes, megasquirt is speed density or alpha-N (which means no MAP sensor, basically just a flat fuel map based on TPS and RPM).

This will be my 2nd megasquirt project, I can tell you that it works very well.
There was a DIY-EFI group for a while that used a programmable GM controller, I believe megasquirt is an offshoot of that group.

My ECU will be setup with factory connectors and will simply replace the stock ECU.. It can be simplified for newbies or people that don't want to understand the system outside of using the software for programming... I'm trying to prime enough interest for people who would want it as a programmable ECU replacement.

Bill

well, you defonitly have someone interested here. I know a little about programming (C++ only though, but am learning), but I am not comfortable with electrical stuff. I can run new stuff, but slipcing into existing wiring is...not something I'm good at.

dcg9381

PM me - I'll send you the machinists contact information.
When I say programming, I mean learning to use tuning software.. Not actual coding. Not required.
I think you can build a 22RTE on a budget, at least not the budget that LC would have you subscribe to, which is probably around $3-5k:

Existing 22RE.
Turbo pistons $125
Gasket set $60
Manifold - $300-$500
Turbo - used (you can get great deals on moderately used Garretts) $125-$300
Used injectors set, $50-$100
Megasquirt (build it yourself or buy it outright) $180-$350
Misc $100 (oil lines, drain, connectors, etc)
Optional: Wideband 02 $190

My build will be fairly expensive, but if you're willing to live with under 200hp, I think it can be done well in moderation.

I'm trying to set this up so that no splicing is required at all. It's been done for the Celica and for the MR2. I don't have a source for the connectors, so I'm buying ECUs at $25/each.