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Here is the thing... We have got hold of a wrecked R33 GTS-T and are building a race car. We are just deciding on what to put all the gear into. some possibilities are:-

AE86

sigma

RX7 series 1-3

bmw 80's 3 series

etc.

We need a car that will fit the engine and box but is easy to replace / fix in the case of an acco.

Any suggestions??

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https://www.sau.com.au/forums/topic/51544-got-rb25-need-shell/
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Yes but a 32 shell is expensive in the first place and replacement pannels are also expensive. Has any one seen an RB25 in any light cheap cars? Remembering that this will be a muck around car it will not have to be engeneered and therefore legalities are not really important.

Well the Nissan Z's (240 & 260) take the RB with no fuss at all. The engine goes in with only a mod to the mounting brackes (as far as I have know).

As far as parts, the cost isn't to bad (would need to be checked) depending on what you get. You can get fiberglass pannes (helps with the weight), and brand new pannes can be gotten from nissan (but are a bit expencive)

VL commodore! Cheap, can run it into walls repeatedly and fix it for $5, cheap, and did I mention cheap? Can hack into it without a worry in the world to fit the rear subframe/front brakes, and if you screw it buy another one for two fiddy.

most of those cars you listed i don't think it will fit(??), hence why its not done.. most would use an SR20 or CA18 in those sorts of conversions as they're smaller and lighter engines that can give similar power levels. So if you really want to do those cars i'd probably be ditching the rb25 idea.

seriously though r31.. $500 u can get a shell, its RWD.. taking everything out you can probably get it down to 1200kg (base model GX only weighed 1300kg or so). Panels and things probably cheaper and easier to come by than any of those you list.

U can adapt the front hubs to run r32/r33/GTR brakes/etc.. LSD's and minispools are available. Latter model gearboxes and engines fit with a few modifications..

do it...

I'd say the tiredest dogged out Silvia Q's you can get your hands on. most of the stuff should fit without too much worry and as you say, it don't need to be engineered :-) so some sledgehammer modification of transmission tunnel etc can be done for anything with clearance "issues". With luck you should even keep that sweet S13 handling.

Already got the R33 managed to pick it up for 3K. hi flow turbo, exaust, boost controller... the usual. it is a compleate car exceopt for sterio and steering wheel. just got some really bad damage to the B pillar, written off.

an early zed would be a great option but they are expensive.....plus you wouldnt have the heart to kill it once youd completed the conversion. what about an s12 gazelle? that would be different. Id love to see a conversion other than rotors and BP series engines in an old rwd mazda 323. thats power to weight. look through the trading post for cheap models such as those mentioned that will accomodate your motor. depends on how far you want to go with it. If you want fun find the smallest rwd car you can find and start cutting. gemini,corolla perhaps?

ke30 corolla, mazda1200, sigma is a great choice, bluebird would also be a great choice as its all nissan stuff and you can bolt in a good diff. if you could find a mitsu scorpion that would also be cool

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