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Author Topic: SteveP's New Project  (Read 258393 times)

Offline SteveP

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Re: SteveP's New Project
« Reply #1125 on: August 02, 2012, 06:22:53 am »
This is an awesome build. The porting and polishing would normally make the power peaky but I see that the standard valves are being used so that shouldnt be a problem. Porting and polishing doesnt give big gains in turbo applications like it does with normally aspirated engines but every little helps. :happy2:

APR believe the opposite, but all will be revealed tonight  :laugh:

Offline 56OctyVRS

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Re: SteveP's New Project
« Reply #1126 on: August 02, 2012, 09:46:12 am »
I had this with my old Focus RS I was going to get ported and polished. GGR said that as the air is forced in and not sucked in like NA engines, there would be benefits but not as much as you would make on a NA engine. Most when they port and polish the heads use oversize valves and that is where it makes the power peaky and you lose the low down torque. But as you are using the same size valves you shouldnt run into that problem. I decided against getting it done as people averaged about 10 - 15bhp top end on that engine and I didnt feel the initial out lay warranted the expense for a small gain. I opted for a large chargecooler instead from Radtec :evilgrin:
I shall be watching this with great interest :happy2:
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Offline Poverty

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Re: SteveP's New Project
« Reply #1127 on: August 02, 2012, 05:19:10 pm »
This is an awesome build. The porting and polishing would normally make the power peaky but I see that the standard valves are being used so that shouldnt be a problem. Porting and polishing doesnt give big gains in turbo applications like it does with normally aspirated engines but every little helps. :happy2:

APR believe the opposite, but all will be revealed tonight  :laugh:

So does race developments. Its as important on a turbocharged car as a NA  :party:

Offline vRSAlex

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Re: SteveP's New Project
« Reply #1128 on: August 02, 2012, 09:14:17 pm »
Keith is hoping for around a 50 bhp gain from the head and re-calibration.

If it makes that much is will send my head off straight away.
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Offline Tfsi_Mike

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Re: SteveP's New Project
« Reply #1129 on: August 02, 2012, 09:20:24 pm »
Keith is hoping for around a 50 bhp gain from the head and re-calibration.

If it makes that much is will send my head off straight away.

 :party: :party:

Offline SteveP

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Re: SteveP's New Project
« Reply #1130 on: August 03, 2012, 07:08:30 am »
A lot more tweaking to be done that the engineers back in the states have been working on overnight, but already it's up 20bhp and 30ft lb :rolleye:

Offline Janner_Sy

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Re: SteveP's New Project
« Reply #1131 on: August 03, 2012, 09:00:33 am »
is it similar gains across the rev range or is it mainly peak power gain?

Sounds awesome so far

Offline SteveP

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Re: SteveP's New Project
« Reply #1132 on: August 03, 2012, 09:26:36 pm »
is it similar gains across the rev range or is it mainly peak power gain?

Sounds awesome so far

Pretty much across the range  :party:

Had a brief drive of it last night and it feels and sounds a different car, so looking forward to getting it back once the final running issues are sorted  :happy2:

Offline Janner_Sy

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Re: SteveP's New Project
« Reply #1133 on: August 04, 2012, 08:16:41 am »
sounds awesome Steve, that sort of gain over the entire rev range makes it an awesome mod.  presumably its not a cheap mod?

What you at now then surely  >450Hp?

Offline SteveP

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Re: SteveP's New Project
« Reply #1134 on: August 04, 2012, 05:47:30 pm »
Yes we have seen 450bhp and 548nm now but really needs to uprated LP fueling so that's going to be installed on Monday and the calibration finished. So fingers crossed by Monday night we will know what its capable of  :happy2:

Offline DanGB

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Re: SteveP's New Project
« Reply #1135 on: August 04, 2012, 07:36:39 pm »
Are you going for the USP Aux pump steve?
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Offline vRSAlex

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Re: SteveP's New Project
« Reply #1136 on: August 04, 2012, 07:48:47 pm »
Keith mentioned they had a better flowing pump from another car that he was going to try at some point. Wouldn't tell me what it was from.
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h4rdy

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Re: SteveP's New Project
« Reply #1137 on: August 05, 2012, 12:13:57 am »
Looking really good Steve.

 The APR video really shows off what they are about.

If they carry on I can see some defectors......!

h4rdy

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Re: SteveP's New Project
« Reply #1138 on: August 12, 2012, 03:08:18 pm »
Steve, are you still running the development VWR/APR/ITG intake.

I have just fitted the enclosed release version, i.e not development, and its not fitting very well.

If you are still running the development one then no worries.

J

Offline Janner_Sy

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Re: SteveP's New Project
« Reply #1139 on: August 16, 2012, 04:50:07 pm »
Whats the latest then Steve  :popcornsoda: :popcornsoda:

DanGBs looks like its making some pretty crazy power!! 

Out of interest what weight is your Golf in trackday trim?