B0oStEr Posted February 20, 2005 Share Posted February 20, 2005 I'm looking at a white '87 aussie Silhouette. The guy that currently owns the car doesn't realise the car's potential and has been running it on regular ULP so it feels like something is holding it back (knock sensor?) He bought the car 4 years ago and hasn't done a thing to it except for routine maintenance. All mods are 7 years old and engineered and include R33 RB25 DET and 5 speed Front mounted Supra intercooler HR31 struts and brakes Koni strut inserts and shocks 2.5" exhaust Things I've noticed that need attention Factory tacho was never made to work with new motor. Oil pressure gauge very erratic (reads high and flickers) No boost gauge The main plug to the TPS isn't hooked up but the one on the wire is. Apart from this the car is very tidy for it's age but shows the usual r31 wear and tear on the interior. It drives very well and I'm sure it would pull harder with some Ultimate in the tank. What would it be worth and should I buy it? Link to comment https://www.sau.com.au/forums/topic/65194-r31-rb25det-sleeper-should-i-buy/ Share on other sites More sharing options...
Baz Posted February 20, 2005 Share Posted February 20, 2005 Whats the price and do you have any pictures of it? Link to comment https://www.sau.com.au/forums/topic/65194-r31-rb25det-sleeper-should-i-buy/#findComment-1219403 Share on other sites More sharing options...
Morgs Posted February 20, 2005 Share Posted February 20, 2005 Its obviously got some good gear; but theres alot more to consider. Don't like the fact he has only been putting ULP into it.... Link to comment https://www.sau.com.au/forums/topic/65194-r31-rb25det-sleeper-should-i-buy/#findComment-1219412 Share on other sites More sharing options...
hazerb30 Posted February 20, 2005 Share Posted February 20, 2005 The oil pressure guage is a very common problem with the aussie R31, actually the whole instrument cluster can do weird things. Good info here http://darkhalf.r31skylineclub.com/guages/index.html or r31skylineclub.com Also.. i saw a R31 2 door coupe on jspec importers website last week. it had RB25 as well and looked sweet. Price was estimated between 7 - 11grand. Link to comment https://www.sau.com.au/forums/topic/65194-r31-rb25det-sleeper-should-i-buy/#findComment-1219577 Share on other sites More sharing options...
NewKleer Posted March 28, 2005 Share Posted March 28, 2005 do u mean this one? http://www.autotrader.com.au/photodisplay....r=N15503438_31C or this one? http://www.autotrader.com.au/photodisplay....r=Y15504211_31H (i know which one id be looking at, and its a long drive away Link to comment https://www.sau.com.au/forums/topic/65194-r31-rb25det-sleeper-should-i-buy/#findComment-1271070 Share on other sites More sharing options...
slip Posted March 28, 2005 Share Posted March 28, 2005 if you are interested in stopping and going round corners dont buy it. if you want a thrasher with potential thats fun to drive and theres nothing better for the price - buy it. its worth less than 10k Link to comment https://www.sau.com.au/forums/topic/65194-r31-rb25det-sleeper-should-i-buy/#findComment-1271117 Share on other sites More sharing options...
pentae Posted March 28, 2005 Share Posted March 28, 2005 I'd buy an Sr20det silvia instead for $14.5k.. faster, better at stopping, better around corners, looks better.. If the r31 was $10k.. now that would be more like it. Link to comment https://www.sau.com.au/forums/topic/65194-r31-rb25det-sleeper-should-i-buy/#findComment-1271254 Share on other sites More sharing options...
PSI_GTSII Posted March 28, 2005 Share Posted March 28, 2005 I'd buy an Sr20det silvia instead for $14.5k.. Nah you should buy my R31 for 14 http://www.skylinesaustralia.com/forums/sh...ead.php?t=67397 faster, No way better at stopping Maybe...just , better around corners, Possibly looks better.. Never Link to comment https://www.sau.com.au/forums/topic/65194-r31-rb25det-sleeper-should-i-buy/#findComment-1271721 Share on other sites More sharing options...
SKY031 Posted March 29, 2005 Share Posted March 29, 2005 do u mean this one?http://www.autotrader.com.au/photodisplay....r=N15503438_31C or this one? http://www.autotrader.com.au/photodisplay....r=Y15504211_31H (i know which one id be looking at, and its a long drive away The 2nd one is a coupe.. so it's much more likely to be the 1st link. Looks like a good clean car, with a nice motor in it. :headspin: Link to comment https://www.sau.com.au/forums/topic/65194-r31-rb25det-sleeper-should-i-buy/#findComment-1272196 Share on other sites More sharing options...
Bluprint Posted March 29, 2005 Share Posted March 29, 2005 I reckon it sounds ok but running it on regular unleaded could be a problem. Since it's already got import struts you can stuff R32/33/34 brakes onto it it can be made to handle well for what it is, but the live axle rear end is always going to hold it back. If you want something that's going to take any corner at a stupid speed and stop on a 5c piece then you're going to be dissapointed. If you want something that's a little different and something that's going to be a nice street car (not track car) then I reckon it would be fine. My own Silhouette is having an RB25 conversion being done to it right now, so I'm a little biased :wassup: If you're buying it from interstate then you're going to have make the whole instrument cluster work if you want it to pass rego, so that tacho is going to have to be fixed (Speedo as well?) I hope it has an RB25 gear box to go with the RB25 engine..... It almost sounds like a scrappy conversion, no working tacho, funny wiring I find it funny that it's been engineered without a working tacho and no boost gague If you think it's performance is a little funny, especially for a series 2(3?) RB25DET, then you should get it checked out by someone that knows heaps about it a 3' exhaust will certainly give it a bit more shove I dunno that's just my thoughts, sorry to ramble Link to comment https://www.sau.com.au/forums/topic/65194-r31-rb25det-sleeper-should-i-buy/#findComment-1272347 Share on other sites More sharing options...
NewKleer Posted April 15, 2005 Share Posted April 15, 2005 here's another r31, but perhaps slightly more obvious than a typical sleeper http://www.autotrader.com.au/photodisplay....r=N15618796_31D guess it depends if its rb30det or rb30et whether it's worth it or not Link to comment https://www.sau.com.au/forums/topic/65194-r31-rb25det-sleeper-should-i-buy/#findComment-1301216 Share on other sites More sharing options...
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