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cribbjOffline
Post subject: RE: Re: RE: Re: RE: Re: RE: M70 DOHC conversion update  PostPosted: Jan 23, 2007 - 10:25 AM
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Just spoke with Stephen Bogg again and he reconfirmed that motor was an M70 with 325i (M50) heads on it. He mentioned it had been several years since they did that project and he had misplaced the owner's contact details. The owner's first name was Martin, but he preferred not to disclose his last name, however promised to find an email address, or other contact details for him.
 
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ChelleOffline
Post subject: RE: Re: RE: Re: RE: Re: RE: M70 DOHC conversion update  PostPosted: Jan 23, 2007 - 07:14 PM
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Wow, I assumed it was a newer engine, especially when I saw the valve covers in the other pics
please please keep everyone updated on this !!
 
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cribbjOffline
Post subject: RE: Re: RE: Re: RE: Re: RE: M70 DOHC conversion update  PostPosted: Feb 25, 2007 - 01:19 PM
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Just to give this some closure, I've been in touch with the builder of this engine, and he confirmed it was an M70 block with DOHC M50 heads, and a LOT of custom work. The project was finished, and the engine ran successfully. however he requested that I not disclose any further details, nor his contact information.

Perhaps we will hear from him directly in the future.....
 
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AdrianBurtonOffline
Post subject: RE: Re: RE: Re: RE: Re: RE: M70 DOHC conversion update  PostPosted: Apr 20, 2007 - 02:43 AM
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GC,

You know I gotta know, how is it comming????

a

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iamalittlepepper
Post subject: RE: Re: RE: Re: RE: Re: RE: M70 DOHC conversion update  PostPosted: Apr 23, 2007 - 08:05 PM
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Working on the sprockets and timing chain.. have to also designed new chain guides..
 
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AdrianBurtonOffline
Post subject: RE: Re: RE: Re: RE: Re: RE: M70 DOHC conversion update  PostPosted: Apr 24, 2007 - 02:01 AM
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So that means that things look promising then....

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AdrianBurtonOffline
Post subject: RE: Re: RE: Re: RE: Re: RE: M70 DOHC conversion update  PostPosted: Aug 29, 2007 - 03:33 AM
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bump
I am a glutton for punishment Wink

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iamalittlepepper
Post subject: Re: RE: Re: RE: Re: RE: Re: RE: M70 DOHC conversion update  PostPosted: Sep 17, 2007 - 06:03 AM
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Still working on it..

The problem I encounter is it is pretty tough to find OE M70 head gaskets these days.


AdrianBurton wrote:
bump
I am a glutton for punishment Wink
 
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AdrianBurtonOffline
Post subject: RE: Re: RE: Re: RE: Re: RE: Re: RE: M70 DOHC conversion upda  PostPosted: Sep 18, 2007 - 02:23 AM
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have you tried
rockauto.com

Close 1994 BMW 750IL 5.0L 4988cc V12 MFI [M70] : Engine : Cylinder Head Gasket Print Save My Place
Item Price Core Total Advice
ELRING Part # 11121729893 More Info {Cylinder Head Gasket: Standard thickness
For cylinders 1-6}

$91.79 $0.00 $91.79
Add to Cart
ELRING Part # 11121729897 More Info {Cylinder Head Gasket: Standard thickness
For cylinders 7-12}

$103.79 $0.00 $103.79
Add to Cart





Cylinder Head Gasket Set

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RJNOffline
Post subject: RE: Re: RE: Re: RE: Re: RE: Re: RE: M70 DOHC conversion upda  PostPosted: Oct 04, 2007 - 12:41 AM
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Ive done my own poking around the internet and there are two companies who make DOHC 4 valve conversion....cheap too only 80 grand!!!!!!!! sheesh...
I saw the argument on the Bimmer forums debating the use of the m50 heads...... i assume "mr optimistic" was you, iamalittlepepper? good for you...the spirit of hot rodding is totally lost in this world of bolt-on consumer perversion..... nice to see some one actually be a hot rodder for a change.
 
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MFaulksOffline
6 Post subject:   PostPosted: May 04, 2008 - 04:56 PM
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Hello all,

John very kindly referenced the DOHC engine I built several years ago and photo of the trial IR manifold setup in his post above. It has taken me a long time to get back to this and sent John much detail at the time but was incomplete and need to drag out all my notes. The project is a long story...

Anyway for you potential DOHC fans that want to have a go, I have some spares from this original project that are looking for a good home.

1. the first generation manifolds, in fact the set in the photo above.
2. first attempt plenum chamber to suit
3. good low mileage crank, balanced and drilled for lighten Cosworth (16V forced induction Pinto variety) flywheel.
4. lightened and balanced flywheel machined to take high performance Sach racing organic plate from their racing dept rated over 500hp. I have CAD drawings and references for the clutch and pressure plate needed.
5. critical item - 4 off unique machined billet cams, machine to CAD drawing by Newman Cams here in UK. The cams are not finished on the end and long, so you could alter to necessary, we ran dry belts and pulleys. The profiles have not been cut so you could cut your own profile. The first sets were cut with a Cosworth A1 n/a racing profile.

So starter for ten.. if interested let me know.

All the best,
Martin
 
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AdrianBurtonOffline
Post subject:   PostPosted: May 06, 2008 - 04:08 PM
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Martin,

Did you get the heads to work?

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AdrianBurtonOffline
Post subject:   PostPosted: Jun 22, 2009 - 06:09 AM
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I cant be the only one interested in this?????

Does anyone have contact info for Martin???

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lovetogofasterOffline
Post subject:   PostPosted: Jun 27, 2009 - 07:02 AM
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hi, adrianburton. i sent you a pm.
 
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andyOffline
Post subject:   PostPosted: Dec 01, 2009 - 07:59 PM
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id be interested in finding out if this came to anything as well!
 
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