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Author: Subject: Haynes BMW 6pot build back on, at last!!
Nickp

posted on 4/12/15 at 12:04 PM Reply With Quote
Chassis all painted now, best I start bolting stuff to it




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Nickp

posted on 9/12/15 at 12:39 PM Reply With Quote
Bit more progress

Idea is to get it rolling so I can get it under the engine hoist. Then it's engine / box in so I can measure up for prop and work out routes for brake and fuel lines. Haven't painted the front wishbones yet as these'll be coming back off (to fit side panels) but have painted the rears as I'm hoping these will stay on.

C/W brumming noises-









Diff's in!! That was fun on my own!! Trying to hold and balance it in place with one hand while I slipped the first bolt in.



[Edited on 9/12/15 by Nickp]

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rodgling

posted on 9/12/15 at 03:11 PM Reply With Quote
Not using the BMW diff then? Will the Sierra (?) diff take the torque?
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Nickp

posted on 9/12/15 at 04:25 PM Reply With Quote
quote:
Originally posted by rodgling
Not using the BMW diff then? Will the Sierra (?) diff take the torque?


It'll have 2 choices
Chassis was already made for the diff and it came with a 3.62 LSD so it had to go in really, hadn't considered doing it any other way tbh. If it's half the weight of a Sierra then surely it'll be OK as I'm 'only' using the 328i (not M3) lump?

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Nickp

posted on 10/12/15 at 04:17 PM Reply With Quote
Momentous moment, car sits on all fours for the very first time!!




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Nickp

posted on 18/12/15 at 07:13 PM Reply With Quote
Car's been up and down the drive today to turn it around

Engine in next...



[Edited on 18/12/15 by Nickp]

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rodgling

posted on 19/12/15 at 12:35 AM Reply With Quote
Before the engine goes in, I'd be interested to know what it weighs, if you have some scales handy?
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Nickp

posted on 19/12/15 at 07:01 AM Reply With Quote
quote:
Originally posted by rodgling
Before the engine goes in, I'd be interested to know what it weighs, if you have some scales handy?


I haven't unfortunately Anyone local lend me some maybe?

It's not light but it must be a far bit lighter than the M3/M50 iron blocked versions. I stripped a spare one down to a bare block last week and it was impressively light to the point where I could easily walk along swinging it in one hand. Imagine doing that with a 6 pot pig iron block? Various sources seem to put the alloy blocked M52 around 118kg (18kg or so lighter than the iron blocked M50). The 2.0 Pinto that the car was designed for seems to be around the 135kg mark so it would appear that I'm actually loosing some weight by adding 2 pots The way I'm mounting the engine should be good for weight distribution too. The rear of the head will be right back against the bulkhead with the bell housing completely in the tunnel. 4 pots I've seen seem to have the bell housing out into the engine bay and the front of the engine in a similar position to my 6 pot. This is only possible due to the short stumpy nature of the BMW Getrag box.

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Nickp

posted on 21/12/15 at 06:18 PM Reply With Quote
Engine slotted back in nicely






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Rosco86

posted on 22/12/15 at 09:44 AM Reply With Quote
looking scary but good!





My Build Thread

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SteveWallace

posted on 22/12/15 at 12:32 PM Reply With Quote
That's looking really nice

WRT choice of diff, I would have thought that the Sierra one would be up to the job. At least, I have a Sierra LSD in my Viento with the same engine and it hasn't let go yet, and they could cope with the Sierra Cosworth lumps.

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Nickp

posted on 22/12/15 at 05:18 PM Reply With Quote
quote:
Originally posted by Rosco86
looking scary but good!


No scarier than your BEC equivalent

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Nickp

posted on 22/12/15 at 05:21 PM Reply With Quote
quote:
Originally posted by SteveWallace
That's looking really nice

WRT choice of diff, I would have thought that the Sierra one would be up to the job. At least, I have a Sierra LSD in my Viento with the same engine and it hasn't let go yet, and they could cope with the Sierra Cosworth lumps.


Ta Steve, it's really come together over the last few weeks. Things will slow down considerably when I go back to work in January

I reckon the diff'll be fine too.

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Nickp

posted on 22/12/15 at 05:23 PM Reply With Quote
Managed to get the nose cone and scuttle properly fixed in place for the first time, along with a few other little jobs

Before it swaps places with the Z4 again I want to get the handbrake working as its last trip down my rather steep drive was a bit dodgy, and that was before I put the rather heavy engine in



[Edited on 22/12/15 by Nickp]

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turbo77

posted on 4/1/16 at 01:27 PM Reply With Quote
Nice

It looks like i have to cut my sump toooo
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CTLeeds

posted on 12/1/16 at 10:24 PM Reply With Quote
Hi Nick, what's your plan regarding the air intake? It's something I've been pondering for a while. If your using the BMW DME then you need the MAF sensor which is a bit bulky and will fowl the bonnet I think.

Interested to know your thoughts.

Regards,

Chris

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froggy

posted on 12/1/16 at 11:01 PM Reply With Quote
Those from shocks look a bit stiff for that flimsy chassis





[IMG]http://i144.photobucket.com/albums/r187/froggy_0[IMG]

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rodgling

posted on 12/1/16 at 11:11 PM Reply With Quote
quote:
Originally posted by CTLeeds
Hi Nick, what's your plan regarding the air intake? It's something I've been pondering for a while. If your using the BMW DME then you need the MAF sensor which is a bit bulky and will fowl the bonnet I think.



It should run fine (maybe won't pass emissions though) without a MAF.

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Nickp

posted on 13/1/16 at 04:28 AM Reply With Quote
quote:
Originally posted by CTLeeds
Hi Nick, what's your plan regarding the air intake? It's something I've been pondering for a while. If your using the BMW DME then you need the MAF sensor which is a bit bulky and will fowl the bonnet I think.

Interested to know your thoughts.

Regards,

Chris


I think there should be enough space, although I haven't actually tried it yet. The throttle body is quite close to the bonnet but I don't plan to run the 2nd throttle flap, which was for the traction control, as this is deleted from the ECU anyhow. So hopefully a 90deg silicone bend will attach the main TB to the MAF and either run forwards if there's enough room or backwards and into an airbox if there isn't.

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Nickp

posted on 13/1/16 at 04:31 AM Reply With Quote
quote:
Originally posted by froggy
Those from shocks look a bit stiff for that flimsy chassis


You're right Dave

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Nickp

posted on 11/2/16 at 09:05 PM Reply With Quote
After many weeks of Z4 tinkering the Haynes is finally back in the 'build area'.



Prop, gear change and handbrake all connected up and working.


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Nickp

posted on 15/2/16 at 10:21 AM Reply With Quote
Looking to use this modified (bigger 2.5" inlet) Aprilia Mille can. Might fit a removeable baffle at its inlet if it's a bit fruity



Prop catcher done now too-


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Dudefladge

posted on 12/3/16 at 11:13 PM Reply With Quote
Hey Nick,

Is your chassis the standard Haynes "Book" dimensions?

Rob





Rob

Looking & Learning

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Nickp

posted on 13/3/16 at 10:12 AM Reply With Quote
quote:
Originally posted by Dudefladge
Hey Nick,

Is your chassis the standard Haynes "Book" dimensions?

Rob


Yes it is.

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Dudefladge

posted on 13/3/16 at 10:26 AM Reply With Quote
Thanks! It gives me hope that I'll be able to fit my Chrysler Slant 6.





Rob

Looking & Learning

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