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Turbo and performance upgrade
#1609586
14/10/2017 18:37
14/10/2017 18:37
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Kriskerry
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Kriskerry
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Hi guys I no this has probably been discussed several times but I can't seem to find the right information, I recently brought a sprint blue fiat coupe with full service history and the engine sounds and feels good.
I would like to make the coupe anything over 320bhp, everything is standard on the car now,
First I wanto do the engine then il move to suspension and brakes
1. What is a decent cheap intercooler size that can handle 320+ 2. What turbo can I get that isn't a pain to make fit? Il get a 3" exhaust made from turbo back 3. Injectors? Sorry I'm very new to this any help will be much appreciated and thanks in advance, also I'm from Hertfordshire High Barnet en5 if anyone has parts for sale 😁
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Re: Turbo and performance upgrade
[Re: ]
#1609616
15/10/2017 00:08
15/10/2017 00:08
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Joined: Feb 2008
Posts: 1,725 London
kj16v
My life on the forum
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My life on the forum
Joined: Feb 2008
Posts: 1,725
London
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Hi. Intercooler: The one in the link would do nicely. I ran one of my own Coupes at 320bhp using this same size intercooler back in the day. CLICK Turbo: Since you will be building a custom exhaust, the world is your oyster. Injectors: Traditionally people tend to use Bosch "Green" 440cc injectors. However I've recently found that the Bosch 280 injectors that are used on the Astra VXR perform MUCH better than Greens. Then of course you have to have the car live-mapped to suit. I can supply all the parts mentioned above, plus I also live-map, so send me a PM if you're interested.
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Re: Turbo and performance upgrade
[Re: kj16v]
#1609633
15/10/2017 08:06
15/10/2017 08:06
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Joined: Dec 2005
Posts: 17,367 Staffordshire
Nigel
Forum veteran
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Forum veteran
Joined: Dec 2005
Posts: 17,367
Staffordshire
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However I've recently found that the Bosch 280 injectors that are used on the Astra VXR perform MUCH better than Greens. Typo? Standard injectors are 330, so not much point in going smaller. My quick googling shows that VXR injectors are 470cc.
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Re: Turbo and performance upgrade
[Re: ]
#1609662
15/10/2017 16:48
15/10/2017 16:48
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Kriskerry
Unregistered
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Kriskerry
Unregistered
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Thanks for the info guys, what is a good cheap direct bolt on turbo for around 320+ bhp? Somthing with a quick spool up please thanks again in advance
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Re: Turbo and performance upgrade
[Re: ]
#1609676
15/10/2017 19:36
15/10/2017 19:36
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suba
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suba
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Re: Turbo and performance upgrade
[Re: ]
#1609708
16/10/2017 06:04
16/10/2017 06:04
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Kriskerry
Unregistered
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Kriskerry
Unregistered
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Re: Turbo and performance upgrade
[Re: Nigel]
#1609722
16/10/2017 09:18
16/10/2017 09:18
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Joined: Feb 2008
Posts: 1,725 London
kj16v
My life on the forum
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My life on the forum
Joined: Feb 2008
Posts: 1,725
London
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However I've recently found that the Bosch 280 injectors that are used on the Astra VXR perform MUCH better than Greens. Typo? Standard injectors are 330, so not much point in going smaller. My quick googling shows that VXR injectors are 470cc. "280" as in the last 3 digits if the serial number, not 280cc. The "280's" are 470cc.
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Re: Turbo and performance upgrade
[Re: ]
#1609746
16/10/2017 12:25
16/10/2017 12:25
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Joined: Feb 2008
Posts: 1,725 London
kj16v
My life on the forum
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My life on the forum
Joined: Feb 2008
Posts: 1,725
London
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Thanks for the info guys, what is a good cheap direct bolt on turbo for around 320+ bhp? Somthing with a quick spool up please thanks again in advance Any T2-flanged turbo will bolt up to the manifold. Since you will be having a custom downpipe fitted, I recommend a turbo with V-band turbine outlet. I recently purchased a Mamba GTX GT2860R turbo for one of my clients' 300bhp engine build; billet compressor, ceramic ball bearing centre. The build quality looks spot-on, plus it was about half the price of the equivalent Garrett. We're looking forward to testing it. Should spool quickly while being capable of well over the target of 300 bhp.
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Re: Turbo and performance upgrade
[Re: kj16v]
#1609797
16/10/2017 21:39
16/10/2017 21:39
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Kriskerry
Unregistered
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Kriskerry
Unregistered
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Hey thanks for the replies, still cant find a turbo for my budget around £500:(
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