Toymods Car Club Inc: Tech & Conversions => Building an IS430

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ozaristov300
Occasional Poster

Location:
Melbourne
Registered:
January 2005

Re: Building an IS430	Thu, 20 January 2005 11:14

Gents Thank you for your prompt and valuable replies. In response to some of your questions/comments: 1. shinybluesteel: I haven't found anybody in Australia who has done this yet, but KOFFEE-BLACK has provided a lead to a NZ conversion by Ian Booth. I have been given a similar lead from the Altezza club forum and will try to contact him. Good advice on the complete front cut. My preference is a complete wreck and sell the leftover bits later. The electrics have scared a few people off (and possibly me soon) using the standard ECU. I have two mates who work for Toyota and who have access to all the tech manuals. I was hoping we could nut out the electricals with help from those who have "been there done that". Jim from Sideshow Performance Wiring has been recommended by Norbie and manmx83 but I'm not sure how to contact him. Any ideas? The comment re the flywheel was poorly written. Apparently some of the locally made flywheels have machined a toothed edge directly into the flywheel for the starter, which doesn't work well compared to using the Toyota ring gear from the auto gearbox version? Mmmm, heaps of money you say??? Although "heaps" is a relative term, at present this goes in the DON'T KNOW WHAT I DON'T KNOW category. My initial gut feel is $10-12K, which should drop to around $7-9K for subsequent conversions once the R&D work is out of the way. I would welcome views from those who know better. 2. Norbie: I have driven a couple of Supra Turbos and both exhibited similar gear change finesse to a "68 Bedford. Strong but crunchy. Both may have been suffering from drift depression though. I didn't know about the integrated bell housing on the V160. The W58 seems the popular choice. What is the R154 from? Interestingly, my Aristo V300 has a 4 speed auto, compared to the 5 speed auto in the GS300. I suspect that stump pulling torque prefers fewer, stronger gears. The early Porsche turbos only had a 4 speed gearbox for similar reasons. 3. KOFFEE-BLACK: I would love to see/drive your 1JZ-GTE. (Does this make it an IS300T!?) In what state can I find you (other than euphoric!). I've just registered at www.altezzaclub.org.au but haven't posted much yet. 4. Nark: Can I think about your request for a minute NO! See above re integrating electro-tri-modulators. What are "good pads" and where do I find them? I set fire to the brakes in my AE82 Twin Cam 16 at a Sandown club day some years back. Excellent amusement for the track marshals but no fun from where I was sitting. 5. Norbie: I need brakes that are big, light weight AND work on the road but don't know if the Supra brakes fit this definition or not. I hear the Celsior/LS400/LS430 brakes might be the go. 6. ra23celica: Does the IS300 come standard with LSD and if so, which type (Torson or clutches)? I was thinking of using the diff from the donor car as it's probably going to be a good match for the engine, assuming it's a slippery. I am dead serious so how do I get in touch with Ray Hall Turbochargers? They aren't listed at whitepages.com.au. Re the tech article, I think Volume 1 is now under construction with the help of the collaborative gents on this post. 7. mrshin: Correct, not 1GG. I think the "F" in 1G-Fe stands for FEEBLE. I agree the exhaust will be critical. I would prefer to use the standard manifolds if they fit. My personal experience with extractors/modified exhaust etc over the years says the engineers at Toyota really do know what they are doing. However the exhaust will have to provide a purposeful note to deliver the necessary ethereal quality. What's the go from the cat back? True stories. 1. I raced a stock AE82 some time back. Every change I made to the exhaust (put the cat out, swap Saratoga muffler for hotdog etc) reduced horsepower. 2. A certain Melbourne tuning shop who will remain nameless (let's call them AVO) declined to guarantee that their $2,500, stainless steel, mandrel bent work of art would produce even 1KW performance improvement on my Aristo. I do like the idea of a stainless steel exhaust though. This way, 500 years after the vehicle has completely decomposed, there would be a nice shiny pipe laying on the ground in the middle of nowhere. NEXT The IS200 has an appointment with Rick from Toperformance Tuesday week to be Koni-fied. The car came with lowered Eibach springs which have been fighting with the standard dampers for control. Very pitchy and very jiggly. Also the front Eibachs only leave about 15-20mm of travel before Mr Bumpstop comes into play. Either I raise the ride height a tad or buy a kidney belt. I'm going up to Mt Buller hillclimb this Saturday (perhaps next year I can compete!) and would welcome the chance to meet up with any club members planning to attend. cheers Wayne [Report message to a moderator]

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