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Will a stock LS radiator fit? I found factory ones shockingly cheap - I think I paid $100USD for a new Denso unit that I run in my race car, no worries :)

Gusseting would make a huge difference. I was thinking the opposite though - that tubing and plate area is 2x the size of most tube frame builds I've seen. With good gusseting could be a lot smaller. I find that touring car chassis are a great reference for this sort of stuff. I'd be tempted to...

Cool project! I had an 81' 4x4, and a 4x2 also looked about like that in tan color - It needed rear brakes and I had supra spares so I machined up the necessary bits and gave it 4 wheel discs lol.

Sounds like the worst UZFE story ever! On my old AE86, o2 sensors would result in surging. Leaky fuel injectors

I bought a tired, but driving GS400 for $300, pulled it out and resold the car for $200 lol.

Its the same here too. No idea how he was allowed no safety, no helmet, passengers etc.. that's generally not allowed at any circuit here.

Thanks for the follow up. Since so few people know/mod these cars, we are often in unknown territory - I'm sure folks would have replied if they knew - I know I have lots of questions I'm struggling with.

Cool pics... 1. Where'd you land on final weight? I got pretty extreme, but got to 2900 with full fuel, no driver (full welded cage too) 2. What are you running for engine management? I thought stock ecu pulled timing and ran in limp without the auto trans? Looking at the thread, this is a bit...

So I have a 1uz vvt not a 3uz... So nobody is running manual successfully with 1uz vvt, or is it possible to tune the 1uz also? (98' GS400). Maybe I'm asking the wrong question - My real need is to improve the shift logic of the 650E attached to a 1UZ VVT. What's best way to get that done? Thanks...

I'd either just run it, or buy a spare motor - either cheaper than messing with it for no gains.

As I understand it (so far) the ECU will nerf the engine power without the trans signals - is it running standalone ECU?

Pull the column covers and check the bits for tightness - maybe add a washer to the tightener. A snap ring is a thin metal ring about 350 degrees around that "snaps" into a groove on a shaft to prevent stuff from sliding off.

I'd say just be happy with the stock motor and trans - going beyond not worth the money and I haven't found I need any more HP.... BTW, my car is Brilliant on track, and I'm routinely top of the pack with little suspension mods so.... :) To make it quicker, use the differential out of the SC300...

I've got a 91' and popped somebody in my last race who suddenly braked mid-corner and surprised me. I found a decent price on a 95'. I know the front sheet metal is different, but doors still look the same? Since this was a minor model change (chassis still the same) I'm thinking the later sheet...

Im in the USA. Do these motors do well with a retune? If so, have any numbers for it? I'd be interested in being able to run a standalone transmission controller, and also have improved engine tune. I have no cats, very open exhaust and intake, but otherwise basically stock motor and exhaust...

Thanks - Who/Where can I get the stock ECM remapped for MT? Are there also performance remaps?

Thanks George. So do I just need the TCU to provide particular signals back to the ECU or is there no practical way to run a aftermarket trans controller without also replacing the ECU? (anything plug and play to replace the ECU/TCU?) The trans logic works horribly in a race car. A bit at a loss...

Aftermarket GPS speedo? Super easy, super cheap, available all over the place just give it 12v :)

I know lots of folks have done manual conversions - What I'm not clear on is if the stock ECU has any issues with all the trans plugs disconnected? Looks like I have a line on getting a standalone TCU for the 650, but unclear if it will give me ECU issues without anything connected to the stock...

So, chatting with HGM, they might be up to do a controller - reach out to them if you have any interest so we can get this done! COMPUSHIFT Sport and Pro Transmission Controller and Transmission Control System