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Hello
Just a quick question:
Does anyone know if the mid to late 90's astras and cavaliers in 1.7TD form all had the isuzu engine, or did some of them have a similar GM engine fitted?
And if so, how do you tell the difference?
Thanks.
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Don't remember which way round but one had a black rocker cover and the other had a silver. It's also to do with where the alternator is situated.
Mid 90's will probably be Isuzu, GM engines were generally fitted from `96 on and even then most Vauxhalls were fitted with Isuzus for a while after.
If you can get a picture of the engine I can find out and also if you happen to know what exact year and car it should be easier to find out.
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Corsa Apology Champion 2014.
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qwerty
Club Retro Rides Member
Posts: 2,419
Club RR Member Number: 52
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May 16, 2007 10:00:10 GMT
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While we're on the subject what kind of power does the 1.7 intercooled TD produce and more importantly how many tourques? Is it a very good engine? Is it very tuneable or is it just a case of winding the diesel regulator right open??
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May 16, 2007 10:25:09 GMT
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May 16, 2007 10:38:45 GMT
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Yes, in my opinion the Isuzu is a better and more reliable engine. The older non turbo Isuzu and non turbo Vauxhall engines (as found in Astra Max vans and early Mk3 Cav's) are fantastic things if a little slow.
GM engines also command a large premium in scrappies which is worth bearing in mind before you buy a diesel Vauxhall as if the motor goes you might as well bin the car if an old-ish one IN MY OPINION that is.
Oh, steer well clear of the 2.0DTi engines as used in later Vectras etc as the fuel pump is a sealed unit and non-repairable I'm told. You'll probably never find (a pump) one in a scrappy and they're around a grand to buy new!
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Corsa Apology Champion 2014.
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May 16, 2007 10:41:11 GMT
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Qwerty, don't know power outputs yet but will find out and let you know. I have heard of a couple of Vauxhall lads who've tuned the Isuzu lump successfully and had power and reliability out of them and I seem to recall it's quite a simple job to do.
Once again Migweb and VXon are two sites well worth joing, especially Migweb, as the technical advice is superb on just about everything Vauxhall and someone will have done what you want to do at some point.
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Corsa Apology Champion 2014.
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May 16, 2007 10:41:50 GMT
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Pretty sure all 1.7s are Isuzu, the GM engine used sometimes in the Corsa and possibly the astra is 1.5, tends to be saught after as its low tax bracket.
I`ve heard the one about the sealed pump and £1000 replacement costs, but I`m not sure if its the DTi or the 2.0 TD that this applies to.
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May 16, 2007 11:01:35 GMT
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I think the 2.0TD and the 2.0TDi are one and the same engine. Astras from about '96/97 on had 1.7TD GM engines, previous ones would be Isuzu or Vauxhall's own (as opposed to GM if you follow me) if of a certain age.
Corsa and Nova were either 1.5 n/a Isuzu or 1.5TD Isuzu though newer Corsas have a 1.7 n/a engine, probably a GM one.
The 1.5TD is a phenominal unit in a Corsa or Nova. Mine (Nova) would see off most petrol cars with a similar sized engine or bigger, torque steered like there was no tomorrow and pulled my 3.5T Transit about half a mile like it wasn't there.
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Corsa Apology Champion 2014.
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May 16, 2007 11:01:52 GMT
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I have a 94 Vectra( Cavalier) 1.7TD with 240K on it, super reliable engine. no ball of fire though ;D
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qwerty
Club Retro Rides Member
Posts: 2,419
Club RR Member Number: 52
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May 16, 2007 11:08:24 GMT
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1.5TD Nova is quicker than the 1.4 sr/sri's Its only slightly slower than a GSI and thats Vauxhalls figures!! I always fancied a Nova with a 1.7TD engine in with a big front mount LOL
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May 16, 2007 11:13:43 GMT
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There's talk on Mig of someone having put a 1.7TD in either a Corsa or Nova (forget which sorry). I seem to remember it didn't last long as it chewed the chassis or something like that. Having said that someone else has made one I believe, I'll see if I can dig a link out. It'd be very. very funny to see it in action especially if a little tweak here and there was added.
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Corsa Apology Champion 2014.
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May 16, 2007 11:58:25 GMT
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Okay then...
according to a good person from Migweb:
"Isuzu throws out 82bhp and can be adjusted to take a bar 'with an afternoon's messing'. The GM version is based on a 1.6 diesel and runs a very low boost turbo. Output is pitiful and frankly shouldn't be touched".
Hope this helps.
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Corsa Apology Champion 2014.
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May 16, 2007 12:13:04 GMT
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ok, thanks for your words of wisdom cavmad  |
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May 16, 2007 13:42:32 GMT
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The Isuzu engine has "Turbo" written on the cam cover in wacky '80s writing, that's all I remember from my Astra of crapulence. Oh and the alternator's at the bottom on the Isuzu engine and at the top on the Vauxhall one.
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Last Edit: May 16, 2007 13:45:51 GMT by milfordcubicle
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May 16, 2007 14:01:18 GMT
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Oh, steer well clear of the 2.0DTi engines as used in later Vectras etc as the fuel pump is a sealed unit and non-repairable I'm told. You'll probably never find (a pump) one in a scrappy and they're around a grand to buy new! ....and Vauxhall dealers often decide to change the pump or the injector seals for no apparent reason. OK, not for no apparent reason, but because it's a nice earner for them if there's a fault they can't pin down. Like leak off pipes - a cab-driving client of mine forked out £2k +VAT for repairs only to find it was £12 of pipe, all along. Of course, he couldn't prove it though.  Or on high milers, dealers blame the pumps for poor starting when actually wiring a relay to fire up the glow plugs on every start will sort it. Still, if ours packs up, I suspect the car might get stolen or spontaneously combust shortly afterwards! ;D |
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My fleet:
Suzuki GSX-R600Y SRAD with bald, melted tyres
A borrowed Mondeo
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Graham
Posted a lot
Posts: 1,282
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May 16, 2007 15:14:01 GMT
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i have a 17TD Isuzu, FOR SALE if needed
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Maximum signature image height: 80 pixels
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May 16, 2007 16:28:49 GMT
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This months PPC mag has a 2 page spread about cars they should have built and a 1.7 isuzu nova was one of them.Got me thinking,Diesel economy loads of torque,Again i can just smell the chip fat ;D
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May 16, 2007 16:40:49 GMT
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The Isuzu engine has "Turbo" written on the cam cover in wacky '80s writing, that's all I remember from my Astra of crapulence. Oh and the alternator's at the bottom on the Isuzu engine and at the top on the Vauxhall one. The only trouble I've had with the car in 70k+ miles has been the alternator shorting out when I hit a flooded section of road too quickly and drowned it. OT a bit, did the UK get the Izuzu Aska? There was a few sold over here along with the Gemini |
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Last Edit: May 16, 2007 16:41:55 GMT by Blue850
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May 16, 2007 17:00:12 GMT
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i have had my cavalier 17td isuzu for 3 years and the engine has not cost me a penny iv pulled rover 620s and Volvo's and a transit on a trailers it will do about 270/280 miles to £20 not that quick but it pulls OK i will have one again when it dead. it has 170000 on the clock and it has not worked for 2 year so who knows how many miles it done now
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