Another run at AHG

Friday, 27 February 2009 | Comments (3) | Categories: Track, Video

Got my race face on

Earlier this month, SilviaWA had another day out at the AHG Driver Training Centre near Perth International Airport. I wasn't originally going to enter as my clutch was beginning to slip (more on this later), but a spot came up on the Friday for the event on Sunday so I jumped at the chance and said "to hell with the clutch!".

My Dad came down to watch so I handed over the camera to him to take some pics and a video too.

A few things on the video:

  • you can hear the clutch slipping from the outset as I head off through the centre
  • that was my first ever handbrake turn in an event, pretty proud of the results
  • car has had suspension tweaked since last event and was so much easier to place wherever I wanted on the track

Photos from the event:

So, I have no idea why my clutch is slipping. A quick recall on the clutch - it's an OS Giken STR2CD twin-plate. It's been in and driven almost daily for about 12mths, for all intents and purposes, it shouldn't be slipping. First noticed under max load - ie. all passengers, on the freeway in 4th hit boost and there it went slipping (and shuddering). It's progressively gotten worse, so when the head gets done in a couple of weeks we'll look into the clutch and rebuild with new plates if necessary (more than likely from the sounds/feel of it).

Another thing to note were the brakes. Basically they're phenomenal...once they're up to temperature. The combo of R33 GT-R Brembo's, Nismo pads, DBA4000 slotted rotors, braided lines and the correctly matched R32 GT-R N1 (non-abs) brake master cylinder are just brilliant. If there was something to pick, it would be there's a smidge much rear bias, but really can't complain. The new suspension tweaks also allowed me to hit the picks harder too without the previous lockups.

Cheers
Brendan

Your Comments

Posted by Kev | 28 February 2009 at 10:49 AM

Kev_s13 here. you’ll find GTR bmc’s will tend to have more rear bias. I noticed same when I ran my r33 GTR bmc in my black s13. Having it like that reduces understeering and if you time your weight shift and accerlation right you end up with a much smoother oversteer transition.
——-

Posted by Anonymous | 20 March 2009 at 02:05 AM

WOW!!! What an amazing build.  I came across your build 3 days ago and just finished reading the most up to date blog right from the start. 
I admire your commitment to the best quality, if only i wasn’t so lazy.
As you said in one of the posts, i reckon your wife and kids deserve a trophy of their own for allowing you to build your dream car.  I hope my wife will be that supportive once the kids have come along.

Cheers

Posted by Matt Poplin | 17 June 2009 at 12:33 AM

adding an adjustable proportioning valve will cure the rear bias problem you mentioned. Tilton makes a pretty nice quality one that is very affordable.

-Your American Friend, Matt

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