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Postby clee » Mon Feb 13, 2006 11:09 am

http://cgi.ebay.co.uk/Rotrex-C30-Superc ... dZViewItem

I know ,but there's plenty of room in the bay nearside .
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Postby simontaylor » Mon Feb 13, 2006 11:36 am

You have freeflow exhaust and are de-catted, and I could collect it for you as it is Hampshire, BUT..... I think you sold your atmo, unless you got that 77 year olds grey one?
1986 : '86 GTA v6 BW-EFR turbo, with Adaptronic ECU
Firsts at
2007 : Gurston Down & RAOC Champion
2008 : Rushmoor & Eelmoor & ACSMC Hillclimb class Champion
2009 : Longcross & Eelmoor
2010 : Crystal Palace & Eelmoor
2016 : Rushmoor & 5th O/A
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Postby clee » Mon Feb 13, 2006 11:43 am

Was thinking for turbo :?: Lose all that exhaust restriction and heat ,pipe through CC .Atmo manifolds :?:
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Postby David Gentleman » Mon Feb 13, 2006 12:13 pm

The problem with putting a centrifugal blower like that on the V6 turbo is it will only run around 8-10psi max and wont come on boost early like a turbo (eg, 14psi at 3000rpm). The boost on the rotrex rises exponentially with revs, so you will get say 8psi at 6000, 4 psi at 3000...
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Postby peterg » Mon Feb 13, 2006 12:15 pm

Well.....as this is a fantasy purchase because youre skint :twisted: why not plumb it in as well as the turbo!!!! Lancia ran the S4 Delta rally car with both to elimintate lag......so why not?!
Out of interest....if the turbo manifolds are sooooo bad why is it not possible to rig up the standard turbo with atmo manifolds and a section of flexible exhaust pipe?




Cue answer from David saying its not possible! :lol: .......................
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Postby simontaylor » Mon Feb 13, 2006 12:18 pm

I thought it was the exhaust manifolds that were restrictive, after all on the inlet side we are on-boost with 10-15 psi.
1986 : '86 GTA v6 BW-EFR turbo, with Adaptronic ECU
Firsts at
2007 : Gurston Down & RAOC Champion
2008 : Rushmoor & Eelmoor & ACSMC Hillclimb class Champion
2009 : Longcross & Eelmoor
2010 : Crystal Palace & Eelmoor
2016 : Rushmoor & 5th O/A
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Postby clee » Mon Feb 13, 2006 12:28 pm

peterg wrote:Well.....as this is a fantasy purchase because youre skint :twisted: why not plumb it in as well as the turbo!!!! Lancia ran the S4 Delta rally car with both to elimintate lag......so why not?!
Out of interest....if the turbo manifolds are sooooo bad why is it not possible to rig up the standard turbo with atmo manifolds and a section of flexible exhaust pipe?




Cue answer from David saying its not possible! :lol: .......................



Don't rub it in :cry: How does the law stand on kneecapping Canadians :evil:
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Postby peterg » Mon Feb 13, 2006 12:29 pm

Yes.....those are the manifolds! The exhaust gases leave the engine and go through the turbo.

Where are the Canadians? and what have they done???:shock:
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Postby clee » Mon Feb 13, 2006 12:37 pm

peterg wrote:Yes.....those are the manifolds! The exhaust gases leave the engine and go through the turbo.

Where are the Canadians? and what have they done???:shock:


Nearby :twisted: Gone bust :evil:
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Postby peterg » Mon Feb 13, 2006 12:39 pm

Bunch of B!*tards.....there are a few on one of the other forums I'm on....I will threaten them for you....at least one of them is barking mad though!!!
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Postby David Gentleman » Mon Feb 13, 2006 12:41 pm

What are peoples thoughts on bastardising GTA's using different engines to get more power...?

At present bellhousing adaptors are available for:

Rover V8 - low original spec, but cheap to tune. 260-300bhp achievable n/a - but a bit old fashioned - Lighter than PRV

Ford Cosworth 2.0 Turbo - Skys the limit for tuning - heavy

Yank V8s - cheap to buy, tune, but heavy and again, a bit old fashioned...

Renault 21 Turbo - Cheap to buy - 250bhp upwards and good low end torque - still renault - 60kilos lighter than PRV

..and the final one which interests me .....

Toyota / Lexus 4.0 32v V8

As used in the LS400 and Soarer - 250-300bhp standard n/a - Ultra smooth and rev to 8000rpm... 20kgs heavier than PRV
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Postby clee » Mon Feb 13, 2006 12:51 pm

I've said it before ,get a kitcar :lol:

Would my Audi Avant V6 fit :?:
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Postby peterg » Mon Feb 13, 2006 12:56 pm

peterg wrote:Well.....as this is a fantasy purchase because youre skint :twisted: why not plumb it in as well as the turbo!!!! Lancia ran the S4 Delta rally car with both to elimintate lag......so why not?!
Out of interest....if the turbo manifolds are sooooo bad why is it not possible to rig up the standard turbo with atmo manifolds and a section of flexible exhaust pipe?




Cue answer from David saying its not possible! :lol: .......................


So its do able then?????

As for the engine swap.....good idea if you are desperate for more power, but the cars a classic and the PRV is a reliable lump.....not sure the standard chassis is going to cope with super power....300bhp is a nice amount and it'll be doable once you sort out the ECU!!!?? :D I need my standard engine to stay on track in a sensible class.
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Postby clee » Mon Feb 13, 2006 1:03 pm

peterg wrote:
peterg wrote:Well.....as this is a fantasy purchase because youre skint :twisted: why not plumb it in as well as the turbo!!!! Lancia ran the S4 Delta rally car with both to elimintate lag......so why not?!
Out of interest....if the turbo manifolds are sooooo bad why is it not possible to rig up the standard turbo with atmo manifolds and a section of flexible exhaust pipe?




Cue answer from David saying its not possible! :lol: .......................


So its do able then?????

As for the engine swap.....good idea if you are desperate for more power, but the cars a classic and the PRV is a reliable lump.....not sure the standard chassis is going to cope with super power....300bhp is a nice amount and it'll be doable once you sort out the ECU!!!?? :D I need my standard engine to stay on track in a sensible class.



Where's that 300 bhp ARR beast at the minute :?:
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Postby David Gentleman » Mon Feb 13, 2006 1:11 pm

[quote="peterg"]Out of interest....if the turbo manifolds are sooooo bad why is it not possible to rig up the standard turbo with atmo manifolds and a section of flexible exhaust pipe?
quote]

Because the atmo manifolds are just as bad! :D

Basically its the diameter of the piping and the fact that they both join at the turbo which is even smaller. If they are made any bigger then you just get loads of lag..
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