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Author Subject: Turbo Dimma 306
eliotrw

Seasoned Pro

Location: Southwark

Registered: 18 Jul 2010

Posts: 4,862

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Post #201
What Compression ratio is it again? 8:1?

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Posted 15th Dec 2012 at 22:49
birk

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Location: Doncaster

Registered: 24 Oct 2005

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Post #202
f**k knows, I've forgot lol

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Posted 15th Dec 2012 at 22:52
bigbadbowen

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Location: Winchester

Registered: 21 Nov 2003

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Post #203
birk wrote:
I think I will just end up getting a custom rad, from memory I had a quote for £275, but that was a while ago.

I do have a universal alloy race rad, but it's a bit big, and it looks a bit s**t and flimsy, so I doubt I will use it.


Going to need something that it is well up for the job with a large core I reckon dude Thumbs up oh and made of aviation black box material for when you stuff it into a fence Whistle Razz
Posted 15th Dec 2012 at 22:54
eliotrw

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Location: Southwark

Registered: 18 Jul 2010

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Post #204
birk wrote:
f**k knows, I've forgot lol
LOL

Might be worth moving all the other coolers out the way as well, if they arent already that is Smile

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Posted 15th Dec 2012 at 23:04
birk

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Location: Doncaster

Registered: 24 Oct 2005

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Post #205
Haha cheers Chris.

There's nothing at the front of the car other than a bonnet at the moment lol

I'm planning on running twin oil coolers where the fog lights would have once oringally lived.

________________________________________

Dimma + Gt35 turbo = Ninja
Solid rear beam mounts £130
07889376885
Dan
Posted 15th Dec 2012 at 23:19
pete_rallye

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Location: Yorkshire

Registered: 12 Dec 2002

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Post #206
The fans aren't going to be the problem, they are only there for sitting in traffic on hot days. A bigger rad will help, but getting 150+hp's worth of heat out of each cylinder, from a cylinder designed to cool 45hp's worth of heat won't be easy. If it was as straight forward as bolting on a big turbo, fitting a big intercooler and some low comp pistons to get 600hp, everyone would do it. Unfortunately, generating 600hp is easy, trying to make it run reliably for any length of time is the costly and time consuming part.

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Oulton Park in a BTCC 306 vid 1
Oulton Park in a BTCC 306 vid 2
Lap of the 'ring
Posted 15th Dec 2012 at 23:24
eliotrw

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Location: Southwark

Registered: 18 Jul 2010

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Post #207
Is there a way of speeding up the pump?

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Posted 15th Dec 2012 at 23:54
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,604

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Post #208
More revs LOL

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Posted 15th Dec 2012 at 23:56
daveyboy

aka Jim Davey

Location: Southampton

Registered: 01 Oct 2007

Posts: 8,641

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Post #209
welshpug! wrote:
More revs LOL


Probably find you get cavitation if you overspeed the standard waterpump too much, I don't suppose it has the ability to provide enough water for cooling effectively four times the heat energy it was designed for. What about speccing up one of those Davies Craig electric waterpump jobbies?

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Posted 16th Dec 2012 at 09:23
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,604

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Post #210
I just meant more engine revs LOL

I remember looking in the engine bay of Liam Doran's DS3 Rallycross car, and guess what's powering that 550 ish bhp beast? (that's a restricted 550...)

An iron XU with a stock looking water pump, oh an a monster radiator LOL

I didn't spot anything out of the ordinary on the cooling system, though that's not to say there's not something in there to help, I reckon its time to speak to people who build these engines and unfortunately you don't tend to find them on forums.

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need a part number? get on here - http://public.servicebox.peugeot.com

Bring on the Trumpets.

Posted 16th Dec 2012 at 09:52
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,604

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Post #211
actually, trying to find more info on it, seems they run a few different engines, here's the lump from their other car




they have several DS3's it seems, as I found one with a transverse and longitudinally mounted engine!

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need a part number? get on here - http://public.servicebox.peugeot.com

Bring on the Trumpets.

Posted 16th Dec 2012 at 10:01
eliotrw

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Location: Southwark

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Post #212
Bit cool that is got a xu in it imo Smile

Fair enough about the water pump i was wondering if it could spin faster per rev Smile
More flow would help though I reckon,
Plus bigger rad and some thought with air flow

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Posted 16th Dec 2012 at 10:23
birk

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Location: Doncaster

Registered: 24 Oct 2005

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Post #213
So a nice big radiator is a matter of course really, it's just if it will cope or not.

I don't actually know what figure it's going to be yet. But it's going to be more than 500bhp I imagine.

Could I just take the thermostat out and let it run through, it would be constantly cooled then, I'm removing the matrix aswell.

________________________________________

Dimma + Gt35 turbo = Ninja
Solid rear beam mounts £130
07889376885
Dan
Posted 16th Dec 2012 at 12:35
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,604

Status: Offline

Post #214
being too cold is just as bad.

________________________________________

need a part number? get on here - http://public.servicebox.peugeot.com

Bring on the Trumpets.

Posted 16th Dec 2012 at 13:02
daveyboy

aka Jim Davey

Location: Southampton

Registered: 01 Oct 2007

Posts: 8,641

Status: Offline

Post #215
Removing the thermostat is a bad idea as it will make warmup take ages, big rad, big pump, big cutouts in the front and lots of ducted cold air to the inlet. Also get the turbo jacketed off with that foil/lagging stuff you see to stop it roasting everything within a 3 foot radius of it Wink

________________________________________

R H Davey Welding Supplies. I sell new and used welding equipment in the Hampshire area. I take on welding jobs in the evenings, ally casting repairs are one of my specialities but I can weld pretty much anything. PM me with your requirements.

Some of my services: (See my for sale threads)
Engine mount/chassis repair
Solid Beam Mounts BACK IN PRODUCTION
Harness bars
Posted 16th Dec 2012 at 13:46
clen666

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Location: Co. Durham

Registered: 12 Feb 2009

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Post #216
You don't want to increase the speed of the coolant flow too much, too fast and it will prevent decent thermal transfer

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Posted 16th Dec 2012 at 15:04
birk

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Location: Doncaster

Registered: 24 Oct 2005

Posts: 7,032

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Post #217
I'll sort as much as I can with regards to fitting the engine 1st, then I will move onto the rad and get one made up.

I picked up my clutch earlier today, can't really tell what kind of condition the plates are in, as I'm not to familiar with what is classed as "low" and I've not got any verniers to hand to measure what's left on the pads.

________________________________________

Dimma + Gt35 turbo = Ninja
Solid rear beam mounts £130
07889376885
Dan
Posted 16th Dec 2012 at 15:38
eliotrw

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Location: Southwark

Registered: 18 Jul 2010

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Post #218
clen666 wrote:
You don't want to increase the speed of the coolant flow too much, too fast and it will prevent decent thermal transfer

Yeah, Id have thought something like 15%-20% more flow wouldnt hurt though?

I think the spark plugs will be worth pondering too, Dont know if you would need colder than highboost?

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Ex- Phase 3 China GTi-6 T-Reg
Posted 16th Dec 2012 at 17:20
birk

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Location: Doncaster

Registered: 24 Oct 2005

Posts: 7,032

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Post #219
Ive got grade 8s for it at the moment.

________________________________________

Dimma + Gt35 turbo = Ninja
Solid rear beam mounts £130
07889376885
Dan
Posted 16th Dec 2012 at 17:24
birk

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Location: Doncaster

Registered: 24 Oct 2005

Posts: 7,032

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Post #220
My clutch Smile

________________________________________

Dimma + Gt35 turbo = Ninja
Solid rear beam mounts £130
07889376885
Dan
Posted 16th Dec 2012 at 17:57
pete_rallye

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Location: Yorkshire

Registered: 12 Dec 2002

Posts: 5,236

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Post #221
My touring car runs a similar one but with only 4 friction plates per plate and probably not as heavy spring. Without wanting to sound negative, even mine is very much on or off, and they aren't designed to be slipped, and doing so f**ks them quickly, if you're planning on driving it on the road leave a big gap to the car in front of you!

________________________________________

Oulton Park in a BTCC 306 vid 1
Oulton Park in a BTCC 306 vid 2
Lap of the 'ring
Posted 16th Dec 2012 at 18:20
simonjames

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Location: Whitland S.Wales

Registered: 23 Nov 2004

Posts: 6,220

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Post #222
or buy a spare front end LOL

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Posted 16th Dec 2012 at 18:22
birk

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Location: Doncaster

Registered: 24 Oct 2005

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Post #223
It's ok pete, I don't expect everyone to agree with what I'm doing, but im all for constructive criticism, its all a big learning curve when stepping into new territory I suppose.

I'm going to have a word with the clutch company and see what they say, it might be a case that I get a sprung centre. But I'm not sure as to exactley what I will be doing yet.

________________________________________

Dimma + Gt35 turbo = Ninja
Solid rear beam mounts £130
07889376885
Dan
Posted 16th Dec 2012 at 18:28
pete_rallye

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Location: Yorkshire

Registered: 12 Dec 2002

Posts: 5,236

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Post #224
It's not that I don't agree, I'm more than happy to see a 600hp dimma 306, in fact I wish I had the time and money to do something similar. Just sharing my experiences, thats all. Not many people will have ever used a twin plate clutch before, so just want to make you aware they aren't very friendly!

________________________________________

Oulton Park in a BTCC 306 vid 1
Oulton Park in a BTCC 306 vid 2
Lap of the 'ring
Posted 16th Dec 2012 at 19:27
birk

Seasoned Pro

Location: Doncaster

Registered: 24 Oct 2005

Posts: 7,032

Status: Offline

Post #225
Maybe should have worded that differently, it came across a bit harsh lol

I've driven a 600bhp scooby with a twin plate hydralic clutch and it was surprisingly light and easy to use, but I'm not entirely sure on the plate setup it had, I imagine it was sprung loaded.

I've not got much choice unfortunately, it would be nice to throw 1k at an all singing and dancing setup, but I'm on a strict no thrills budget now, I'm supposed to be saving for a house haha

________________________________________

Dimma + Gt35 turbo = Ninja
Solid rear beam mounts £130
07889376885
Dan
Posted 16th Dec 2012 at 19:39

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