Monkey mans power adder

Smartbear said:
Machine monkey said:
So the tank fits behind the rear wheel arch. With the return pump below it under the car next to the turbo. The feed and other stuff is tucked away in the boot.

IMG_2767.JPGIMG_2774.JPG

Well, that makes a change from the latest fashion of roof motors re-sited to the boot!
I take it the pump will be monitored for function/oil level/temperature back in the cabin?
Rob

Yes boost oil temprature and presure will have gauges in the cabin.
 
Mister T said:
Wow! Was there no room under the car to run the charge pipes?

Not away from the hot exhaust no.
The seat fits in exactly as it should. It might just be the hot seat!! I dont have seat heaters so might be handy in the winter. :rofl:
 
I love this kind of project mostly because it defies most of the "traditional wisdoms" associated with turbo conversions, that level of determination always deserves a thumbs up from me. I will be watching this with great interest.

I too did a home brew turbo conversion on a Mk1 MX5 around 3 years back, I certainly would never have been brave enough to put a turbo that far from the manifold because of the usual "lag" arguments- so god one there! My project suffered a lot of on going set backs as it developed which really came almost to the point of scrapping the project more than once. It sure was a steep but ultimately rewarding learning curve for me.
Well intended advice, if I may. I would wholeheartedly recommend planning an almost excessive amount of redundancy into your project (sure the Z4 M54 is tougher than an MX5 but for example the M54 cooling system isn't too great IMHO). With mine I kept finding the additional stresses imposed on pretty much every system meant I needed to rethink & uprate pretty much every thing. So I'd finish 1 job to find it had a detrimental effect on something else, it felt very much like 1 step forward 2 steps backwards for a long time. I would also recommend the outlay of a standalone ecu to give you full control especially balancing engine mapping Vs boost control alongside managing all the heat build up, yeah they can be hard to learn to use but ultimately you'll be saving a lot of aggro.
 
Hi Matt

Thanks for the honest advice. For the start of this project only low boost and a gentle increase in power as components are changed. This piggyback is fairly advanced. And i fully get what you’re saying but at the moment it’s going to have to do. I also want to keep the factory traction control for now. So a standalone isn’t an option.

I am hoping that with low boost i can get to around the 330 -350 bhp figure with no major problems. There are S/C kits for the m54 running similar numbers with no charge cooling. things like clutch diff drive line have been upgraded and checked and are in great health so hopefully no issues there. I will be running an oil cooler to help keep temperatures under control.

Next step would be a full water system upgrade. A new fabricated plenum cams pistons head gasket and head bolts. But that’s a long way off. As i will probably be going for ITBs and a standalone at that point. But it has taken me 4 years of talking about turbos to get this far. In 10 years’ time it might be the 500bhp car i want
 
if only you had an M rear bumper !!! you could have 2 turbos

rear-mounted-turbo-2.jpg
 
Machine monkey said:
They do tend to work better on larger displacement engines. You wouldn't want to do it with a 1.1!!
haha but a 1.1 is likely to be a smaller car thus shorter pipework !!!
 
mac27040 said:
That does look awesome mac, but cant see how those filters would work in our shitty climate. I'd also be detailing it every week!

Oh, and wow MM, that is some project you've got going there!! Kudos to you for attempting this, will be some system when you've finished :thumbsup:
 
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