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Location:
no where
Registered:
November 2004
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how to tell if a 7m is farked
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Wed, 22 June 2005 11:53
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how can u tell if it has ablown h/g need help asap goin to look at one tommorow thanks
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Location:
Brisbane
Registered:
June 2003
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Re: how to tell if a 7m is farked
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Wed, 22 June 2005 12:02
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Search "mkIII supra"
All you'll ever need to know...
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Location:
Central Coast, NSW
Registered:
February 2005
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Re: how to tell if a 7m is farked
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Wed, 22 June 2005 13:03
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search for "cressida" too 
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Location:
Melbourne
Registered:
December 2003
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Re: how to tell if a 7m is farked
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Wed, 22 June 2005 13:13
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BHG will hav bubbles in coolant, oil in coolant, white/milky coolant.Radiator will smell of burnt oil, take pressure tester or teekay(TK) tester also.
Basically if u reckon the coolant is sus or smells sus or the oil looks kinda off too(chek down the filler hole) thyen it probably is.From what i hear the 7m's just couldnt hold their heads.
good luck with it
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Location:
Central Coast, NSW
Registered:
February 2005
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Re: how to tell if a 7m is farked
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Wed, 22 June 2005 23:16
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everyone seems to think its something a little different, HPI says that its the toyota genuine gaskets that suck and that's why.
But from what I've read about 7M owners fixing their BHG's is that it seems the heads were never torqued down to the correct setting from factory, and then when the HG blows, if the car is still abused pitting forms on the block and the head.
If the block and the head doesnt get a couple of thou taken off it to smoothen out the surface, and the new head gasket isnt put on and the head torqued down to the right setting, then you'll run into problems again.
The TeeKay test is good though, i believe that tests for hydrocarbons in your radiator.
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I supported Toymods
Location:
Central Coast
Registered:
May 2002
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Re: how to tell if a 7m is farked
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Thu, 23 June 2005 00:47
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As everyone else has already stated, SEARCH!
Symptoms may include:
- Milky residue under oil cap when car is warm
- Rough idle
- White cloud coming out of exhaust when you put your foot down and back off or first starting car
- 'Gurgle' sound coming from dash
- Oil in radiator
- Bubbles in radiator
- Overheating
- Unexplained loss of water ie. cannot find any leaks
You may only ever get one of these symptoms, not all. I noticed the white cloud out the exhaust after i backed off, few seconds later, the temp gauge went up.
My old Soarer used to get the gurgling sound all the time, eventually it had the milky colour in the oil cap etc.
There is ALLOT of info out there, just search!
Enjoy and goodluck!! 
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Location:
Gold Coast
Registered:
June 2003
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Re: how to tell if a 7m is farked
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Thu, 23 June 2005 01:19
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LOL! What does it mean if I answer yes to all of the above?? Add to that a nasty rod knock and an oil leak from the distributor.
No love for the 7M.
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Location:
Central Coast, NSW
Registered:
February 2005
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Re: how to tell if a 7m is farked
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Thu, 23 June 2005 01:21
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In mother russia, 7M make YOU blow head gasket
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I supported Toymods
Location:
Adelaide
Registered:
July 2004
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Re: how to tell if a 7m is farked
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Thu, 23 June 2005 02:43
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I like 1JZ's
hint hint
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Location:
Gold Coast
Registered:
June 2003
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Re: how to tell if a 7m is farked
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Thu, 23 June 2005 09:29
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I'm already on the case. 
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I supported Toymods
Location:
Adelaide
Registered:
July 2004
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Re: how to tell if a 7m is farked
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Thu, 23 June 2005 12:33
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| mumblezzz wrote on Thu, 23 June 2005 18:59 |
I'm already on the case.
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good boy
*pats pauly on the back*
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I supported Toymods
Location:
Perth, Western Australia
Registered:
December 2002
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Re: how to tell if a 7m is farked
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Fri, 24 June 2005 02:44
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| chrisma70 wrote on Wed, 22 June 2005 19:53 |
how can u tell if it has ablown h/g need help asap goin to look at one tommorow thanks
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Dead simple - the engine number starts with 7M!
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Location:
Northwestern Sydney
Registered:
August 2002
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Re: how to tell if a 7m is farked
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Fri, 24 June 2005 02:53
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Damn Clint you beat me to it....
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Location:
Melbourne
Registered:
May 2002
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Re: how to tell if a 7m is farked
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Sat, 25 June 2005 02:24
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| mumblezzz wrote on Thu, 23 June 2005 11:19 |
LOL! What does it mean if I answer yes to all of the above?? Add to that a nasty rod knock and an oil leak from the distributor.
No love for the 7M.
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The 7M only rod knocks due to dum ass owners leting the oil level drop below the full mark! as for the dizzy leak how many 100,000 km was on the engine????
| CLG wrote on Fri, 24 June 2005 12:44 |
| chrisma70 wrote on Wed, 22 June 2005 19:53 |
how can u tell if it has ablown h/g need help asap goin to look at one tommorow thanks
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Dead simple - the engine number starts with 7M!
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how do you tell a ricer/tofu delivery driver wana be/someone who thinks replacing one old engine with another old engine is a good way of avoiding an engine rebuild/someone who wants a turbo rebuild..
engine number starts with 1JZ 
its been covered sooooo many times, ARP studs, smooth head finish, get the head crack/hardness tested (tend to get soft on the exhaust side when people drive them into the ground with no coolent in them)
my ma70 has seen about 50,000km (2 years) on a TOYOTA gasket with arp studs, it has even seen 1.5bar when the wastgate craped out and i drive it HARD
its really pathetic to see otherwise 1/2 respectable members here spouting bullshit just to be on the popular front 
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Location:
Montrose, VIC
Registered:
May 2002
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Re: how to tell if a 7m is farked
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Sat, 25 June 2005 07:41
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Evil 7M! Evil 7M!
YAY! I'M POPULAR! 
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Location:
Melbourne
Registered:
May 2002
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Re: how to tell if a 7m is farked
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Sun, 26 June 2005 00:38
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| mrshin wrote on Sat, 25 June 2005 17:41 |
Evil 7M! Evil 7M!
YAY! I'M POPULAR!
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meeeh you play with falcons your just sick
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Location:
Gold Coast
Registered:
June 2003
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Re: how to tell if a 7m is farked
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Sun, 26 June 2005 01:55
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| Allan wrote on Sat, 25 June 2005 12:24 |
| mumblezzz wrote on Thu, 23 June 2005 11:19 |
LOL! What does it mean if I answer yes to all of the above?? Add to that a nasty rod knock and an oil leak from the distributor.
No love for the 7M.
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The 7M only rod knocks due to dum ass owners leting the oil level drop below the full mark! as for the dizzy leak how many 100,000 km was on the engine????
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I'm anal about oil changes and oil level. I think it was the fact that coolant kinda reduces the lubricating properties of oil compounded by the fact its done 275 000 kms thats done it.
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I supported Toymods
Location:
Brisbane
Registered:
September 2004
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Re: how to tell if a 7m is farked
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Sun, 26 June 2005 03:00
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| CLG wrote on Fri, 24 June 2005 12:44 |
| chrisma70 wrote on Wed, 22 June 2005 19:53 |
how can u tell if it has ablown h/g need help asap goin to look at one tommorow thanks
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Dead simple - the engine number starts with 7M!
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Bah, I also was going to say that.
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Location:
Melbourne
Registered:
May 2002
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Re: how to tell if a 7m is farked
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Sun, 26 June 2005 11:02
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| mumblezzz wrote on Sun, 26 June 2005 11:55 |
I'm anal about oil changes and oil level. I think it was the fact that coolant kinda reduces the lubricating properties of oil compounded by the fact its done 275 000 kms thats done it.
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you are anal about oil levels and didnt notice the water in the oil???
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