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Post by crazytim on Jan 22, 2010 21:10:58 GMT 12
My car doesn't want to go much faster than 100km/h... I was thinking maybe it is fitted with a diesel diff?! Engine still has plenty of rev's but it makes a weird noise and sticks just above 100km/h... is it possible a diesel diff would do this, anyone know how to tell diff's apart?! Hoping it is a diesel as it may explain why the car is so sluggish... It's not mega slow but sure it should be a lot peppier.
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Post by gordo on Jan 23, 2010 1:14:29 GMT 12
Tried different gears? Does it have a missfire?
Sure the brakes aren't dragging? Oil levels correct - had a mate with a similar complaint and it was a diff seizing up,
I doubt very much the diff ratio, if there is a difference, will affect the car that much - if it was too low the car would accelerate well and run out of rev's in top whereas if it was too tall for the engine then dropping down a gear would effectively lower the overall gearing.
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Post by zep on Jan 23, 2010 10:55:17 GMT 12
I would say that it should be able to go faster with the diesel diff as they are ratio'd lower. If you want to tell them apart, check on OzGem, they have a diff guide somewhere. But this doesn't sound right...!
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Post by crazytim on Jan 23, 2010 12:29:51 GMT 12
guts... was hoping it was somthing simple... may well have to get professional help (koz I love spending money grrrrrrr)
It drives sweet as... brakes could well be suss but why would it go funny when it gets around 100km/h and be sweet as down low... one of the brakes was definetly seizing but seems ok now... Meh just keep driving... too much taxes and nuts to pay for next couple of months... gana be a lil lean in the wallet dept.
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Post by gordo on Jan 23, 2010 18:23:45 GMT 12
just noticed the "weird noise" bit - could be a broken baffle plate in the muffler clagging it up - can you disconnect the exhaust ahead of the muffler and take it for a spin? Up Albany Hill would be a good test.
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Post by crazytim on Jan 23, 2010 23:47:05 GMT 12
brand new muffler plus sounds and feels like somewhere in drivetrain... it feels like its running out of legs... dont realy have much need to go 100km/h+ anyway I guess... mite see if mechanic mate from yesteryear will help... (havnt seen him socially in a long time, drives a much tasty RX2 coupe with a 13b Bridgeport...) He helped me out a bit when I was getting the wag on road. Or maybe I take a few people for a blast and see what opinions I get about it... real annoying when I've put so much new stuff and money into it... obviously didn't put enough new stuff or money into it!!
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Post by mcqunt on Jan 25, 2010 7:06:34 GMT 12
had a similar problem in my old sedan with g161 applied the
more power rule and added g200w with shaved head,
a gemini speedo looks out of place hard on the right hand pin,
on another note go for a blat and feel the brakes after said blat ie hand on drum
and see if any are hot ,
jack up and see how free your wheels spin after said drive
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Post by crazytim on Jan 25, 2010 7:47:47 GMT 12
assuming it is brakes why would it get worse at 100km/h?!
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Post by crazytim on Jan 25, 2010 7:48:28 GMT 12
(because the T car works in mysterious ways!)  |
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Post by zep on Jan 25, 2010 9:40:37 GMT 12
Perhaps it's the gear box? sounds more like an rpm thing. I doubt it's the brakes.
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Post by crazytim on Jan 25, 2010 16:35:48 GMT 12
Who's the best Mrs Funt'maRunt to take it to?!
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Post by mcqunt on Jan 26, 2010 11:44:50 GMT 12
heat my friend rub your Mr Ding Dong for a while it will get bigger ,
hence tighter fit at a 100 if something is rubbing its rubbing twice as much as 50 and probably increasing the heat and friction exponentially
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Post by gemininja on Jan 26, 2010 16:50:31 GMT 12
your the only Mrs Funt'maRunt i know that can pull off dodgey and intelligent in the same paragraph =D
my chevette can hardly make it to 120 townhill with a tailwind, it aalways makes weird noises.. my solution is a good sound system.
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Post by crazytim on Jan 26, 2010 17:39:18 GMT 12
Perhaps it's the gear box? sounds more like an rpm thing. I doubt it's the brakes. I reckon Zep nailed it... just gana roll it as is for now don't have any need to go past the 100km/h mark anyhow... will take a look if it A.) gets worse or B.) I get my red gem back on road... seeing it hasn't moved an inch since I stripped the interior that may be a while... |
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Post by 77vette on Jan 28, 2010 22:42:43 GMT 12
/ i have a 5 speed gbox
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