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Registered:
June 2004
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manifolds on 5m's
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Fri, 02 July 2004 01:34
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are 5M-E inlet manifolds the same as 5M-GE? all i wanna know really is if the flanges that bolt to the head are the same and are mounted at about the same angle. what size ports does a 5M-GE have? 40mm?
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Registered:
June 2004
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Re: manifolds on 5m's
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Fri, 02 July 2004 03:01
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please help.  if someone has a digital camera handy, take a pic of the flange that bolts to the head and send it to me or post it here please. or pis of the two manifolds already available would be nice. 
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I supported Toymods
Location:
I renounced punctuation
Registered:
May 2002
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Location:
Burlington, On. Canada
Registered:
January 2004
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Re: manifolds on 5m's
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Fri, 02 July 2004 04:45
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I have a Doug Thorley header (sold by TRD) I used on '84 Supra years ago sitting in the garage. I'll take some pics and post them for you.
If I'm not mistaken all M series engines have interchangable parts. You can take a head, block, intake manifold or exhaust manifold and interchange them on 5M, 6M and 7M engines.
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I supported Toymods
Location:
Australia
Registered:
November 2003
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Re: manifolds on 5m's
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Fri, 02 July 2004 04:52
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i think 4me and 5me are interchangeable
but 5mge is not
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Location:
Lost in the K hole
Registered:
May 2002
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Re: manifolds on 5m's
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Fri, 02 July 2004 05:51
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only twin cam parts are swapable between twin cams, ie 7mgte turbo manifold onto a 5mge, or 6mge race headers onto a 7mge etc
single cam parts are not swapable with twin cam
mteu 4me and 5me SOHC bits are generally swapable (i think)
entire heads can be swapped b/w DOHC and SOHC but this requires a LOT of work - timing covers, dizzys, crank perhaps (not sure if the woodruff key is the same accross all models) anyway you get the idea...
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Registered:
June 2004
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Re: manifolds on 5m's
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Tue, 06 July 2004 01:47
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the reason i asked is because i'm putting 5M-GE head on a 4M, and i'm making a manifold to fit triple solex's.
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Location:
Lost in the K hole
Registered:
May 2002
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Re: manifolds on 5m's
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Tue, 06 July 2004 01:55
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watch for dsitributor fouling
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I supported Toymods
Location:
I renounced punctuation
Registered:
May 2002
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Re: manifolds on 5m's
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Tue, 06 July 2004 03:11
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There's a bit more to it than just bolting on the head.
5MGE runs a timing belt, 4M/5M/5ME runs a chain so you'll have to swap all of that over.
Depending on which 4M you plan to run, your compression ratio at best will be 8.5:1. You will increase combustion chamber capacity and decrease the swept volume.
With the 5MGE head, the distributor will not foul....only on the SOHC head does this happen.
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Location:
Brisbane
Registered:
May 2002
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Re: manifolds on 5m's
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Tue, 06 July 2004 23:25
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What's the point of building a 4M/5M-GE hybrid? Just chuck a complete 5M-GE in and be done with it.
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I supported Toymods
Location:
Australia
Registered:
November 2003
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Re: manifolds on 5m's
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Tue, 06 July 2004 23:28
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Maybe he has some class restrictions where he has to leave the original block in it? or leave it the original capacity.
Who knows...
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I supported Toymods
Location:
I renounced punctuation
Registered:
May 2002
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Re: manifolds on 5m's
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Tue, 06 July 2004 23:51
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| Norbie wrote on Wed, 07 July 2004 09:25 |
What's the point of building a 4M/5M-GE hybrid? Just chuck a complete 5M-GE in and be done with it.
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Norbie ticked the correct box.
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Registered:
June 2004
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Re: manifolds on 5m's
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Thu, 08 July 2004 08:48
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i didn't get a whole engine 'cause i'm not a millionaire. it was much cheaper to get the head and fit it to a 4m. this way i don't have to get an engine inspection as well. i also thought about running two dizzy's, cuz i got three spares layin' round. if anybody has a 5m-ge head off an engine, could they measur the bore of the combustion cahmber please. or pics.
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