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320bhp N/A 5 cylinder engine

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Old Oct 5th, 2008, 20:21   #21
austenw
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new flywheel for 7.25" clutch



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Old Oct 5th, 2008, 20:29   #22
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My car

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Old Oct 5th, 2008, 23:10   #23
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Quote:
Originally Posted by Engineer View Post
James if you want to live in the 20th century and in ignorance of 21st century technology so be it, but please don’t insinuate my comments are pedantic because you don’t understand them or choose to ignore them because you are incorrect.
If you're referencing high pressure fuel systems...well no, I don't have any knowledge of that sort of thing, but then Austen is almost certainly going to be running a low pressure system. I don't appriciate your attitude when I'm simply trying to be helpful. Austen's post suggested to me that he was proposing to just stick an extra injector in front of each ram pipe and open the taps (hell, people do do that kinda thing), which wasn't such a great idea. He's since clarified his intentions, and I've retracted my potentially patronising reply. Why try to make out I'm an idiot? You know full well that's not true. I'm one of the more technically competant people on this forum, so if my contributions are to be shot down in flames...? I dispair in the attitudes shown here sometimes.

/Threadjack

Austen - that flywheel is a work of art! I take it it's a custom piece...billet?

As I said in my first post, I fear you're not going to find 5-pot NA tuning gurus here. The relatively few people here who have high-power whiteblocks are all turbo enthusiasts, and you can get ~500bhp with just the addition of beefy rods and forged pistons. Some of the things you need to do for NA power just aren't necessary (as soon) when dealing with boost. I think you're on exactly the right lines with asking race teams, etc. I have some contacts in that world, but no-one who deals with Volvo engines.

cheers

James
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Old Apr 3rd, 2009, 17:21   #24
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Still on with this projeect slowly but surely

Inlet system is all built up with my new airbox that I made up

I have the moulds if anyone else is interested? Have one for 4 or 5 cyl engines





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Old Apr 3rd, 2009, 17:24   #25
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Old Apr 3rd, 2009, 18:13   #26
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oooh spanky .
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Old Apr 3rd, 2009, 23:58   #27
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Interesting thread, thanks for the updates.
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Old Apr 7th, 2009, 22:32   #28
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Looks very good Austen nice work

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Old Apr 7th, 2009, 23:52   #29
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this is the road version of austens flywheel/clutch

http://forums.turbobricks.com/showthread.php?t=161138
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Old Aug 26th, 2009, 19:13   #30
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Hi Austen

If you haven't found out yet, the BTCC engines were developed at TWR by a guy called Charlie Bamber. He is currently MD of Menard Competition Technologies. The first BTCC engines produced about 260 bhp, but this guy altered the heads by machining the cam carriers off and remaking them as billet bolt on items, allowing the followers to be increased to 36mm dia so a more lift could be used on the cams, (about .825in on the inlet). The head face was also machined on the angle to alter the attitude of the ports to the chamber. (All of this was driven by the BTCC regs) . Using 13.5 :1 cr, this setup produced about 325 bhp.

Hope this is helpful. I'm not a Volvo engine expert, it's just coincidence that the story of the head is in this months Racecar engineering.

Looks like a great project - nice to see something other than Duratecs.

All the best

Graham Hill
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