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Well, 100% certain that this is a newer block now. Can't get the crank pulley bolt off. Put a 7' fence post on the end of the breaker bar, reefed on that, no good. Hit the bolt and pulley with a propane torch, still no good. Anyway, while puttering around the block, I removed the oil pump, and...

I think that this may be a later block. I've been told that the engine came out of an '87T, and the wiring harness and ECU back this up, but looking at the Early vs. Late GTE blocks sticky, I think that this looks much more like a later block. In this photo, the ribs going to the mains looks a...

My car is an early '89 (Square motor mounts, production 10/88), but had grey plugs. The yellow connectors plugged in, and with the exceptions of the ABS connector and the one pin to the headlight relay, it was plug 'n play. No other problems. I've been told that the electronics did not change...

I have an '87T harness and ECU in an '89 chassis. It's not that bad, really. I think it's addressed in a FAQ somewhere. There's one pin that goes to the ECU for the idle-up for headlights that needs to be moved, or else your headlights will stay on all the time. I just cut the wire and...

Okay, after swapping in a 7M-GTE which had been sitting for an unknown period of time, and had (Surprise surprise) a BHG, got rod knock. Bought another 7M-GTE which had been pulled, and disassembly started for $250, which I was originally just going to swap in. Well, currently I'm glad that I...

If you don't need to bore, then stock pistons. I just went through this decision process myself, with up to a 450 WHP goal, and essentially it came down to that the stock pistons were good enough, with room to spare. The pistons aren't the weak point, really. I was considering the Probe...

Just to re-cap: First of all, thanks to those who provided helpful advise and information, notably IJ and suprarx7nut, though not limited to them. Project started as a "simple" swap-out, with necessary machining only to pretty much a full-on build. Well, that's how it is, and there's my hobby...

Gah. Was looking at it backwards, that's where it is, but it looks to be far enough out from the mating surface. I guess I'll see.

Or, just go anywhere that you can get a 4A-GE kit from. Exact same bolts, but you get 8 instead of 6. (In fact,t he Driftmotion kit is the 4A kit with 2 bolts cut off, or maybe 3 sets of the 2 bolts cut off LOL!) I bought the DM kit, but it was almost exactly the same price after shipping as...

@IJ: Whoops. Had a brain fart typing there. I did actually know that. Thanks for the advise, sounds like it'll save me a major headache. I count 5 rivets, the frontmost of which looks like it's near the alternator bracket. I snapped a pic of it when it arrived, then put it back in its bubble...

@1J: I'll do that. What should I do if the rivet is thick? I'd figure either drill it out and install without it, or hit it with a punch to make it flatter, but not sure which would be the better idea. @Harley: I'll do as the TSRM says, which is to use FIPG or silicone to seal the oil pan. Used...

Unplug the TPS and see if the "miss" goes away. I had this happen, and another person I know with a MkT had the same thing happen. The TPS gets an intermittent connection between IDL and E2, so for a moment, it hits FCO at RPM above about 2,000. If you disconnect the TPS, it doesn't happen. If...

Not the keeper, just the non-reusable snap rings. I figured that it was something like that for the oil pump. I'll leave mine as-is. For the spring compressor, I'll figure something out.

Well, if you're replacing the downpipe, pull it off of the elbow first. Remove it from the car, and it's out of the way. It's in an awkward place to hit with force. I'd be worried about damaging the threads holding on the manifold studs before damaging the cast iron turbo housing, myself. Those...

Parts in. ARP head studs: Titan 1.4mm MHG 7M rebuild Gasket set OEM Oil pump. Decided against the upgraded unit, but it was a close decision. FIPG and new OEM timing belt. (Why not when you're in there, right?) And of course the 7M-GTE that it's going to be installed in. Still to...

Yeah, my only thing now is what support electronics I should have. I'm basically running the stock TCCS now, with the Aeromotive AFPR set to ~42 PSI, PTE 560cc injectors and Lexus AFM with a longer adjust screw, which I tweaked until my Vf stopped complaining when driving around at part...

I was looking at the pic of the head, my daughter asked me: "What's that" My answer: A piece of scrap aluminium. How does the bore on that cylinder look?

No, your NA harness will not have the hookups to deal with a 7M-GTE. You will need a 7M-GTE harness. I'd check if your '89 is early or late. Mine is an early '89, which has more in common with the '87-'88 than with the '90-'92. I pulled the 7M-GE from it, along with the wiring harness and ECU...

Sidetrack thread-stealing questions aside... Yeah, I had originally just wanted to swap in another block and rebuild mine. This project has grown quite a bit. The block that I'm swapping in has an OEM gasket, and as far as I've been able to determine, one that isn't blown. I could probably...

Yeah, the question right now is if I have the extra for the forged pistons. at $425, the Probe pistons seem like a good deal, and considering that I need at least rings for the stockers, it's not THAT much more... but still more, and not needed for my power goals. Just that I know that my goals...