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Location:
Lost in the K hole
Registered:
May 2002
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Location:
Kenthurst, Sydney
Registered:
February 2003
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Re: Toyota 'M' Series History Tech Article
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Tue, 01 July 2003 12:31
 
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not a bad read 
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Location:
Sydney
Registered:
February 2003
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Re: Toyota 'M' Series History Tech Article
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Tue, 01 July 2003 12:39
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check out the pics...
turbo 5me 
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I supported Toymods
Location:
I renounced punctuation
Registered:
May 2002
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Re: Toyota 'M' Series History Tech Article
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Tue, 01 July 2003 12:41
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Yes. More interesting was being in the car powered by that engine. I had never been perpendicular to the road at 100 kph uphill before.
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I supported Toymods
Location:
Perth
Registered:
May 2002
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Re: Toyota 'M' Series History Tech Article
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Wed, 02 July 2003 00:29
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Well done dude, told you it was awesome. Nice choice of title image too 
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Location:
c'town, NSW
Registered:
May 2002
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Re: Toyota 'M' Series History Tech Article
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Wed, 02 July 2003 03:00
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YAY
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Membership Secretary
Location:
Sydney
Registered:
June 2002
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Re: Toyota 'M' Series History Tech Article
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Wed, 02 July 2003 09:13
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Great article Rob. Loved the GT2000 pics thanks for doing that.
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Location:
Brisbane
Registered:
October 2002
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Re: Toyota 'M' Series History Tech Article
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Thu, 03 July 2003 06:44
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Great article, thanks for the effort putting it together.
A lot of people seem to bag the 7M, or dismiss it cause it blows head gaskets, or spun big ends, etc. I haven't played with the JZ motors, but I realize they seem to have a good reputation.
But having worked on lots of motors before (admittedly lots of push-rod shit), I reckon people don't know how good they've got it. Its got a great 4 valve head, nearly bulletproof bottom end, AND unlike a lot of motors is very easy to work on.
Obviously there are better motors out there, but the M series is pretty good nonetheless.
Dave
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Location:
c'town, NSW
Registered:
May 2002
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Re: Toyota 'M' Series History Tech Article
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Thu, 03 July 2003 07:57
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thanks for the kind words guys, it may perhaps spur me on to do another history article. Any suggestions?
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Location:
Perth
Registered:
May 2003
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Re: Toyota 'M' Series History Tech Article
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Thu, 03 July 2003 08:27
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As some of you may know i have a 4m, the pictures in that article show the 4m but my rocker cover is completly diferent
its flat on the top and has TOYOTA raised on the top with Lines going around it (looks good)
does anyone know why?
ie Giant Tomato
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I supported Toymods
Location:
I renounced punctuation
Registered:
May 2002
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Re: Toyota 'M' Series History Tech Article
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Thu, 03 July 2003 09:00
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Yep, you have a post July 1976 4M (known as a 4MU). The MX13/23 was available till Sept 1976 here in Australia, so they had to fit a motor that would comply with ADR27a, hence the square rocker covered 4M. It's basically a Gen 3 4M. Corona Mk2's and Crown MS85's built from July 1976 have this motor.
The Gen1 4M had a 41030 head (with 9.2:1 CR, and slightly high topped pistons), gen 2 had 41032 head (with 'nipply' pistons -sounds XXX rated doesn't it - and 9.4:1 CR and more power). The Gen1 and 2 4Ms had a head that was bolted down by 14 large and 3 small head bolts, and the rocker assembly was bolted down to the head using 14 separate bolts. They also had a curved rocker cover. There are subtle port differences.
The Gen 3 4Ms (4MU and 4MEU - 4MEU not released in Australia) had flat top pistons, ultra low compression, and a square rocker cover. The head and rocker assembly are bolted together with the same 14 large head bolts (so to get the rocker assembly off, you have to undo the head bolts), and 4 smaller head bolts at the front. Again the ports slightly different. There was a significant power drop from the early to late motors.
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Location:
Perth
Registered:
May 2003
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Re: Toyota 'M' Series History Tech Article
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Thu, 03 July 2003 09:15
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Well the heads all nicely ported + the manifold and the extractors for nice air flow.
When i got it rebuilt they put in dish pistons or something anyway it made the compression go through the roof and they said we can leave it like that but you'll have to run it on AVGAS.
i said just get the same ones that where in it.
It's still high i HAVE to run it on ultimate98.
i dont mind its powerade for my engine 
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I supported Toymods
Location:
I renounced punctuation
Registered:
May 2002
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Re: Toyota 'M' Series History Tech Article
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Thu, 03 July 2003 09:32
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Sure. I just meant standard from the factory. Everything can be improved!
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Registered:
August 2002
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Location:
Lost in the K hole
Registered:
May 2002
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Re: Toyota 'M' Series History Tech Article
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Thu, 03 July 2003 12:51
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7m/6m crank will NOT fit in a 5mge block well, not without a bit of grinding.
oddly enough, the crank in the 6m is stamped 6m (der), whilst the 6m crank pulley nut is stmped 7m. then, on top of this, the early 7m's had a crank stamped 6m....
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Location:
Brisbane
Registered:
November 2002
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Re: Toyota 'M' Series History Tech Article
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Fri, 04 July 2003 07:54
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1940's: Toyota develops tractor engine
1980's: Toyota passes off revised tractor engine as performance engine
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I supported Toymods
Location:
I renounced punctuation
Registered:
May 2002
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Re: Toyota 'M' Series History Tech Article
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Fri, 04 July 2003 08:42
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Smartarse! 
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Location:
Canada
Registered:
September 2002
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Re: Toyota 'M' Series History Tech Article
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Sat, 05 July 2003 07:18
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Heyaz Rob! Nice one man!
BTW - I'll get toyotatuner back up soon... promise! I might have to goto an outside server if the power keeps dropping out here damnit.
Anyway - owning a 5ME I can say that 115 HP is *severely* conservative. Havent had it on the rollers, but pushing a 2800 pound chassis through an auto trans (with over 300K on it) down the 1/4 in 17.2 is not 115 hp.
Also BTW - if *ANYONE* has info relating to 5MTE parts (manifold esp.) I'd like - I'm in process of designing the manifold for my 5M to hang the (T3?) turbo from a 300ZXT on there!
FINALLY!! w00t!
So Stef sent me this article, and I'm verrah glad to see a well-written history!
Tx d00d!
-;)_
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Location:
Canada
Registered:
September 2002
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Location:
Lost in the K hole
Registered:
May 2002
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Re: Toyota 'M' Series History Tech Article
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Sat, 05 July 2003 07:55
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if you find an item you want on ebay, im happy to buy it and ship it for you
thats if the seller wont ship it to you themselves of course...
cheers
ed
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I supported Toymods
Location:
Perth
Registered:
May 2002
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Re: Toyota 'M' Series History Tech Article
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Sat, 05 July 2003 10:16
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I want something from ebay dude Can you buy it for me and send it?
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Location:
Sydney
Registered:
January 2003
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Re: Toyota 'M' Series History Tech Article
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Sat, 05 July 2003 14:47
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Thats great reading mate! Its a comprehensive history of the M series of engines! Nicely done
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Location:
Jimboomba, Qld
Registered:
February 2003
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Re: Toyota 'M' Series History Tech Article
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Fri, 18 July 2003 00:32
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i want to read this article but i keep getting 404 not found - is it still up?
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Location:
c'town, NSW
Registered:
May 2002
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