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I swapped a 98' GS400 driveline into my old LS race car. I've got no cats, "straight pipe" exhaust and cone intake without the stock resonator. It seems to run fine, but its clearly rich and when I pull the plugs all 8 are sopping wet but look normal otherwise. Is this normal? I've got a race...

Hi gang, did a full systems swap from a 99'GS into my 91LS. I'm having a problem with the brake pedal being soft. I've bled them 5 times now. Is there some trick with the hydro booster? It stops, but pedal travel is really long which is a confidence buster on the race track. I can't adjust the...

Thanks for the help... I finally got it running, now working on getting the cooling fans to work like I want, and simplifying the rear brake lights (getting rid of the light out sensor and only running two lights in back). I have the fuel pump running in a coffee can right now as I try to figure...

Good to know. That will save some searching... it doesn't crank and fuel pump doesn't run, though the dash lights up. Hmm. I suck at wiring lol. I may just buy another damn Lexus so I can work out the loom in a stock car to see what I missed. ugg.

so if I find the right pins, I can short them at the ecu to ignore the trans switch at least? Basically the fuel pump and starter won't run and not yet sure why.

Thanks George... Does it require trans in park and or foot on brake? If so, I'll need to figure how to fake the park sw.

under the hood... https://www.amazon.com/photos/share/GrbRnpMNZB9Wc30ez1B1QenW1WbicWeVjuGoKCaDd2e

Did a motor swap in my 91' LS from a 99' GS, including complete engine, trans and most of the wiring harness, including the cluster, Immo, key, ECU etc. So I plugged everything in I could, and dash lights up, but not sure: 1. What are the symptoms of the Immo saying "no"? - When I turn the...

This is the "24hrs of Lemons" Its all got to be done for essentially no money.... So, I cut up stock stuff. the 99SC rear diff carrier didn't fit the car, so fabricated and tig welded on new diff mounts, and swapped the rear cover with the one from the early car and Viola. Can't use aftermarket...

Also, if I were just a little more motivated, I'd design a smooth single piece cover to replace the fan pulley bracket, idler pulley bracket and the two plastic covers on the front. It'd be a bit annoying to design, but would look really nice 3d printed in ABS and save some weight. Would only...

Oh, by the way, I noticed the early (90-91 at least) alternator pulley is larger diameter than the later VVT ones (99 at least), so I also swapped in the early pulley on the later alternator to slow it down some when I swapped from the early to later motor. Since mine is in a race car, I'm not...

I read the text on the transgo site, but what does that mean in real life? Will it shift any faster? I don't need it to shift harder as that upsets cornering balance when racing (especially in the wet), but would like it to shift a bit quicker. Also, any info on the TOMs ecu what that does...

Quicker shifts might be nice, but at the limit a smooth shift upsets the car balance less than an abrupt shift. The 4.27 gearing has worked great - I'm very happy with it. Its the 340e trans that had way too long gears so we were never in the power band. The 600 series trans fixes that... I've...

Sweet, that helps narrow it. I logged onto TIS at work and looked up the wiring today which will help. As to the LSD, I modified the subframe to take the diff carrier from a 99 SC300 Auto, which has 4.26 gears, then put a new in box Supra TT Torsen 2 in it that I got from the Supra forums...

That's a smart way to do it, but I only do a full swap like this about once a decade (or less) so it just takes me too long as I don't have enough practice. The last one I did was one of the first 20V 4AGE's in a MKI MR2 (in the US), and I didn't love doing it then either. I'd gladly pay...

Just checked the site - funny.. didn't realize it was the same site I have at work. I'll download the bits I need tomorrow. Won't hurt to have a spare manual I suppose.

Thanks for the tips.. I ordered up a electrical manual earlier off ebay, but I'll check that site out. Since my engine harness is intact, it was really what all the body plugs look like and where they go so I can figure out what to chop. LS is different enough that I didn't have confidence. Cost...

PS - you did a cool project! (risky move with the Audi tho!). So looks like you have basically the same engine project I do - VVTI motor in a different car. Does it need anything for the rear O2's? I thought those could just be left off and it wouldn't affect tuning...

Thanks! So sounds like should crank regardless if the inhibitor isn't open. If the switch is on the shifter rather than the trans I probably removed it, but if on the trans, all the trans wiring is intact. I've tried to do this with just the standard repair manual, but its too much for me...

Got more or less the full engine, trans, brakes, ESC, Cluster, working Key Steering Column and wiring harness from a wrecked 99' GS 400 (VVT/5 speed) and put in my 91 LS body shell. I got all the mechanical bits sorted, and the full engine/trans harness is intact and in place. I'm trying to get...